Ero Confirms High-Grade Continuity and Extends Known Mineralization at Furnas with Significant New Step-Out Intercepts

Original announcement by tmx on

Company
Ero Copper Corp.
Ticker
ERO
Exchange
TSX
Region
Pará State, Brazil
Primary commodity
Copper
Secondary commodities
Gold, Silver
Document categories
Drill results, Resource update
Extracted
2026-09-13 22:57:59 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Ero Copper Corp. announced high-grade drill results from its Furnas Copper-Gold Project in Brazil, including significant step-out intercepts that extend known mineralization and infill drilling confirming continuity. The program, totaling 24,000 meters, identified new exploration potential and supports the conversion of inferred resources to higher confidence categories. The company is advancing the project towards a Pre-Feasibility Study, with ongoing permitting, metallurgical testwork, and engineering studies.

Reasoning: The drill program at Furnas delivered strong high-grade copper-gold-silver intercepts, successfully extending known mineralization through significant step-out holes and confirming continuity with infill drilling, supporting future resource upgrades and project development. The extensive QA/QC disclosure enhances confidence in the results.

Positive factors

  • High-grade copper-gold-silver intercepts, including bonanza grades in sub-intervals.
  • Significant step-out drilling extending mineralization down-dip and along strike, including a new zone of exploration potential.
  • Infill drilling confirms high-grade continuity and supports resource conversion.
  • Extensive QA/QC program with certified lab and QP sign-off.
  • Metal equivalent assumptions are fully disclosed.

Negative factors

  • True width not disclosed for any intercepts, which may overstate actual thickness.
  • Cut-off grade used for compositing drill intervals is not explicitly stated.

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 290

Extracted facts

Stored fact records: 290. Some facts used in scoring do not have a stored record.

Drill Results (290)

FURN-DD-00357Furnas · copperGrade: 0.74Grade Unit: %Intercept: 90 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00357
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.74
Grade Unit
%
Intercept
90 m
From
726 m
To
816 m
Hole Depth
867.8 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00357:726-816
Mining Method
mixed

Location

Location
SE zone
Easting
612527
Northing
9346582
Elevation
292 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.13
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept represents a strong copper-equivalent grade over a significant width in a step-out hole, extending the known mineralization and indicating good growth potential for the project.

Positive factors

  • Strong copper grade (0.74%) over a significant width (90m) for an IOCG deposit.
  • High CuEq grade (1.13%) indicates good polymetallic value.
  • Step-out hole extending mineralization down-dip, demonstrating growth potential.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.74”

Context: 90

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00357Furnas · goldGrade: 0.5Grade Unit: g/tIntercept: 90 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00357
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.5
Grade Unit
g/t
Intercept
90 m
From
726 m
To
816 m
Hole Depth
867.8 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00357:726-816
Mining Method
mixed

Location

Location
SE zone
Easting
612527
Northing
9346582
Elevation
292 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.13
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept, while not bonanza grade, is significant over a large width and contributes positively to the polymetallic nature of the deposit, supporting the overall step-out success.

Positive factors

  • Good gold grade (0.50 g/t) over a significant width (90m) for an IOCG deposit.
  • Part of a polymetallic intercept contributing to overall project value.
  • Step-out hole extending mineralization down-dip.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.50”

Context: 90

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00357Furnas · silverGrade: 3.18Grade Unit: g/tIntercept: 90 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00357
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.18
Grade Unit
g/t
Intercept
90 m
From
726 m
To
816 m
Hole Depth
867.8 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00357:726-816
Mining Method
mixed

Location

Location
SE zone
Easting
612527
Northing
9346582
Elevation
292 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.13
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade adds to the overall value of this significant polymetallic intercept, supporting the positive step-out results.

Positive factors

  • Silver grade (3.18 g/t) contributes to the polymetallic nature of the intercept.
  • Part of a significant step-out hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“3.18”

Context: 90

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00357Furnas · copperGrade: 1.17Grade Unit: %Intercept: 32 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00357
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.17
Grade Unit
%
Intercept
32 m
From
726 m
To
758 m
Hole Depth
867.8 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00357:726-758
Mining Method
mixed

Location

Location
SE zone
Easting
612527
Northing
9346582
Elevation
292 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.7
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper and copper-equivalent grades over a strong width, confirming a high-grade core within the significant step-out intercept and enhancing the overall project potential.

Positive factors

  • Exceptional copper grade (1.17%) over a strong width (32m) for an IOCG deposit.
  • Very high CuEq grade (1.70%) indicates significant polymetallic value.
  • Sub-interval within a key step-out hole, highlighting high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.17”

Context: 32

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00357Furnas · goldGrade: 0.68Grade Unit: g/tIntercept: 32 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00357
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.68
Grade Unit
g/t
Intercept
32 m
From
726 m
To
758 m
Hole Depth
867.8 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00357:726-758
Mining Method
mixed

Location

Location
SE zone
Easting
612527
Northing
9346582
Elevation
292 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes significantly to the high-grade nature of the sub-interval, reinforcing the positive implications of the step-out drilling.

Positive factors

  • Strong gold grade (0.68 g/t) over a good width (32m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a significant step-out hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.68”

Context: 32

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00357Furnas · silverGrade: 5.4Grade Unit: g/tIntercept: 32 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00357
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
5.4
Grade Unit
g/t
Intercept
32 m
From
726 m
To
758 m
Hole Depth
867.8 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00357:726-758
Mining Method
mixed

Location

Location
SE zone
Easting
612527
Northing
9346582
Elevation
292 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting the positive step-out results.

Positive factors

  • Silver grade (5.40 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant step-out hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“5.40”

Context: 32

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00354Furnas · copperGrade: 0.98Grade Unit: %Intercept: 45 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00354
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.98
Grade Unit
%
Intercept
45 m
From
459 m
To
504 m
Hole Depth
588.3 m
Intercept Depth
459 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00354:459-504
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.25
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept represents a strong copper-equivalent grade over a good width in a high-grade step-out hole, significantly extending mineralization beyond the inferred resource limit.

Positive factors

  • Strong copper grade (0.98%) over a good width (45m) for an IOCG deposit.
  • High CuEq grade (1.25%) indicates good polymetallic value.
  • High-grade step-out intercept extending mineralization beyond inferred resources.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.98”

Context: 45

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00354Furnas · goldGrade: 0.36Grade Unit: g/tIntercept: 45 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00354
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.36
Grade Unit
g/t
Intercept
45 m
From
459 m
To
504 m
Hole Depth
588.3 m
Intercept Depth
459 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00354:459-504
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.25
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept adds to the overall value of the polymetallic step-out, supporting the positive results.

Positive factors

  • Gold grade (0.36 g/t) contributes to the polymetallic nature of the intercept.
  • Part of a significant step-out hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.36”

Context: 45

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00354Furnas · silverGrade: 1.72Grade Unit: g/tIntercept: 45 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00354
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.72
Grade Unit
g/t
Intercept
45 m
From
459 m
To
504 m
Hole Depth
588.3 m
Intercept Depth
459 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00354:459-504
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.25
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic step-out, further supporting the positive results.

Positive factors

  • Silver grade (1.72 g/t) contributes to the polymetallic nature of the intercept.
  • Part of a significant step-out hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.72”

Context: 45

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00354Furnas · copperGrade: 1.78Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00354
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.78
Grade Unit
%
Intercept
20 m
From
484 m
To
504 m
Hole Depth
588.3 m
Intercept Depth
459 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00354:484-504
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.98
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper and copper-equivalent grades over a strong width, confirming a high-grade core within the significant step-out intercept and enhancing the overall project potential.

Positive factors

  • Exceptional copper grade (1.78%) over a strong width (20m) for an IOCG deposit.
  • Very high CuEq grade (1.98%) indicates significant polymetallic value.
  • Sub-interval within a key step-out hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.78”

Context: 20

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00354Furnas · goldGrade: 0.25Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00354
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.25
Grade Unit
g/t
Intercept
20 m
From
484 m
To
504 m
Hole Depth
588.3 m
Intercept Depth
459 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00354:484-504
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept adds to the overall value of the high-grade sub-interval, reinforcing the positive implications of the step-out drilling.

Positive factors

  • Gold grade (0.25 g/t) contributes to the polymetallic nature of the intercept.
  • Part of a high-grade sub-interval within a significant step-out hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.25”

Context: 20

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00354Furnas · silverGrade: 3.12Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00354
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.12
Grade Unit
g/t
Intercept
20 m
From
484 m
To
504 m
Hole Depth
588.3 m
Intercept Depth
459 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00354:484-504
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting the positive step-out results.

Positive factors

  • Silver grade (3.12 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant step-out hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“3.12”

Context: 20

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00368Furnas · copperGrade: 0.94Grade Unit: %Intercept: 41 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00368
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.94
Grade Unit
%
Intercept
41 m
From
380 m
To
421 m
Hole Depth
483.9 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00368:380-421
Mining Method
mixed

Location

Location
Central zone
Easting
610224
Northing
9347214
Elevation
359 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.28
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept represents a strong copper-equivalent grade over a good width, crucially identifying a new zone of exploration potential in the Central zone, which is highly novel and material for project expansion.

Positive factors

  • Strong copper grade (0.94%) over a good width (41m) for an IOCG deposit.
  • High CuEq grade (1.28%) indicates good polymetallic value.
  • Highlights a new zone of exploration potential in the Central zone, significantly expanding the project footprint.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.94”

Context: 41

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00368Furnas · goldGrade: 0.44Grade Unit: g/tIntercept: 41 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00368
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.44
Grade Unit
g/t
Intercept
41 m
From
380 m
To
421 m
Hole Depth
483.9 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00368:380-421
Mining Method
mixed

Location

Location
Central zone
Easting
610224
Northing
9347214
Elevation
359 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.28
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the new Central zone discovery, reinforcing its significance.

Positive factors

  • Good gold grade (0.44 g/t) over a good width (41m) for an IOCG deposit.
  • Part of a polymetallic intercept contributing to overall project value.
  • Highlights a new zone of exploration potential in the Central zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.44”

Context: 41

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00368Furnas · silverGrade: 1.58Grade Unit: g/tIntercept: 41 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00368
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.58
Grade Unit
g/t
Intercept
41 m
From
380 m
To
421 m
Hole Depth
483.9 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00368:380-421
Mining Method
mixed

Location

Location
Central zone
Easting
610224
Northing
9347214
Elevation
359 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.28
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic intercept in the newly identified Central zone, supporting its significance.

Positive factors

  • Silver grade (1.58 g/t) contributes to the polymetallic nature of the intercept.
  • Highlights a new zone of exploration potential in the Central zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.58”

Context: 41

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00368Furnas · copperGrade: 0.87Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00368
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.87
Grade Unit
%
Intercept
16 m
From
380 m
To
396 m
Hole Depth
483.9 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00368:380-396
Mining Method
mixed

Location

Location
Central zone
Easting
610224
Northing
9347214
Elevation
359 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.53
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows very high copper-equivalent grades over a good width, confirming a high-grade core within the new Central zone discovery and enhancing its overall potential.

Positive factors

  • Strong copper grade (0.87%) over a good width (16m) for an IOCG deposit.
  • Very high CuEq grade (1.53%) indicates significant polymetallic value.
  • Sub-interval within a new zone of exploration potential, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.87”

Context: 16

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00368Furnas · goldGrade: 0.89Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00368
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.89
Grade Unit
g/t
Intercept
16 m
From
380 m
To
396 m
Hole Depth
483.9 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00368:380-396
Mining Method
mixed

Location

Location
Central zone
Easting
610224
Northing
9347214
Elevation
359 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows strong grades within a high-grade sub-interval, reinforcing the positive implications of the new Central zone discovery.

Positive factors

  • Strong gold grade (0.89 g/t) over a good width (16m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a new zone of exploration potential.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.89”

Context: 16

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00368Furnas · silverGrade: 1.52Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00368
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.52
Grade Unit
g/t
Intercept
16 m
From
380 m
To
396 m
Hole Depth
483.9 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00368:380-396
Mining Method
mixed

Location

Location
Central zone
Easting
610224
Northing
9347214
Elevation
359 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval in the newly identified Central zone, supporting its significance.

Positive factors

  • Silver grade (1.52 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a new zone of exploration potential.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.52”

Context: 16

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00340Furnas · copperGrade: 0.81Grade Unit: %Intercept: 88 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00340
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.81
Grade Unit
%
Intercept
88 m
From
548 m
To
636 m
Hole Depth
717.2 m
Intercept Depth
548 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00340:548-636
Mining Method
mixed

Location

Location
SE zone
Easting
612179
Northing
9346705
Elevation
322 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.29
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This infill intercept shows strong copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone and supporting resource conversion efforts.

Positive factors

  • Strong copper grade (0.81%) over a significant width (88m) for an IOCG deposit.
  • High CuEq grade (1.29%) indicates good polymetallic value.
  • Infill drilling demonstrating high-grade continuity, supporting resource conversion.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.81”

Context: 88

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00340Furnas · goldGrade: 0.61Grade Unit: g/tIntercept: 88 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00340
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.61
Grade Unit
g/t
Intercept
88 m
From
548 m
To
636 m
Hole Depth
717.2 m
Intercept Depth
548 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00340:548-636
Mining Method
mixed

Location

Location
SE zone
Easting
612179
Northing
9346705
Elevation
322 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity and resource conversion.

Positive factors

  • Good gold grade (0.61 g/t) over a significant width (88m) for an IOCG deposit.
  • Part of a polymetallic infill intercept contributing to overall project value.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.61”

Context: 88

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00340Furnas · silverGrade: 3.75Grade Unit: g/tIntercept: 88 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00340
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.75
Grade Unit
g/t
Intercept
88 m
From
548 m
To
636 m
Hole Depth
717.2 m
Intercept Depth
548 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00340:548-636
Mining Method
mixed

Location

Location
SE zone
Easting
612179
Northing
9346705
Elevation
322 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (3.75 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“3.75”

Context: 88

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00340Furnas · copperGrade: 1.25Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00340
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.25
Grade Unit
%
Intercept
27 m
From
601 m
To
628 m
Hole Depth
717.2 m
Intercept Depth
548 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00340:601-628
Mining Method
mixed

Location

Location
SE zone
Easting
612179
Northing
9346705
Elevation
322 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.86
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper and copper-equivalent grades over a strong width, confirming a high-grade core within the infill intercept and reinforcing resource conversion potential.

Positive factors

  • Exceptional copper grade (1.25%) over a strong width (27m) for an IOCG deposit.
  • Very high CuEq grade (1.86%) indicates significant polymetallic value.
  • Sub-interval within a key infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.25”

Context: 27

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00340Furnas · goldGrade: 0.77Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00340
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.77
Grade Unit
g/t
Intercept
27 m
From
601 m
To
628 m
Hole Depth
717.2 m
Intercept Depth
548 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00340:601-628
Mining Method
mixed

Location

Location
SE zone
Easting
612179
Northing
9346705
Elevation
322 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows strong grades within a high-grade sub-interval, reinforcing the positive implications of the infill drilling for resource conversion.

Positive factors

  • Strong gold grade (0.77 g/t) over a good width (27m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a key infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.77”

Context: 27

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00340Furnas · silverGrade: 6.06Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00340
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
6.06
Grade Unit
g/t
Intercept
27 m
From
601 m
To
628 m
Hole Depth
717.2 m
Intercept Depth
548 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00340:601-628
Mining Method
mixed

Location

Location
SE zone
Easting
612179
Northing
9346705
Elevation
322 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting high-grade continuity for resource conversion.

Positive factors

  • Silver grade (6.06 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“6.06”

Context: 27

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · copperGrade: 0.65Grade Unit: %Intercept: 65 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.65
Grade Unit
%
Intercept
65 m
From
458 m
To
523 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:458-523
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This infill intercept shows good copper-equivalent grades over a significant width, supporting resource growth potential at the edge of the NW zone.

Positive factors

  • Good copper grade (0.65%) over a significant width (65m) for an IOCG deposit.
  • Good CuEq grade (0.97%) indicates good polymetallic value.
  • Infill drilling supporting future resource growth potential at the northwestern edge of the NW zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.65”

Context: 65

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · goldGrade: 0.42Grade Unit: g/tIntercept: 65 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.42
Grade Unit
g/t
Intercept
65 m
From
458 m
To
523 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:458-523
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting resource growth potential.

Positive factors

  • Gold grade (0.42 g/t) over a significant width (65m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole supporting resource growth potential.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.42”

Context: 65

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · silverGrade: 1.3Grade Unit: g/tIntercept: 65 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.3
Grade Unit
g/t
Intercept
65 m
From
458 m
To
523 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:458-523
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting resource growth potential.

Positive factors

  • Silver grade (1.30 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole supporting resource growth potential.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.30”

Context: 65

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · copperGrade: 0.78Grade Unit: %Intercept: 26 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.78
Grade Unit
%
Intercept
26 m
From
458 m
To
484 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:458-484
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.18
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows strong copper-equivalent grades over a good width, confirming a high-grade core within the infill intercept and reinforcing resource growth potential.

Positive factors

  • Strong copper grade (0.78%) over a good width (26m) for an IOCG deposit.
  • High CuEq grade (1.18%) indicates good polymetallic value.
  • Sub-interval within an infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.78”

Context: 26

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · goldGrade: 0.42Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.42
Grade Unit
g/t
Intercept
26 m
From
458 m
To
484 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:458-484
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the high-grade sub-interval, reinforcing resource growth potential.

Positive factors

  • Gold grade (0.42 g/t) over a good width (26m) contributes to the polymetallic nature of the intercept.
  • Part of a high-grade sub-interval within an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.42”

Context: 26

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · silverGrade: 1.3Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.3
Grade Unit
g/t
Intercept
26 m
From
458 m
To
484 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:458-484
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting resource growth potential.

Positive factors

  • Silver grade (1.30 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of an infill hole supporting resource growth potential.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.30”

Context: 26

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · copperGrade: 0.67Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.67
Grade Unit
%
Intercept
12 m
From
511 m
To
523 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:511-523
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.6
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows very high copper-equivalent grades over a moderate width, confirming a high-grade core within the infill intercept and reinforcing resource growth potential.

Positive factors

  • Good copper grade (0.67%) over a moderate width (12m) for an IOCG deposit.
  • Very high CuEq grade (1.60%) indicates significant polymetallic value.
  • Sub-interval within an infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.67”

Context: 12

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · goldGrade: 0.65Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.65
Grade Unit
g/t
Intercept
12 m
From
511 m
To
523 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:511-523
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows strong grades within a high-grade sub-interval, reinforcing the positive implications of the infill drilling for resource growth potential.

Positive factors

  • Strong gold grade (0.65 g/t) over a moderate width (12m) for an IOCG deposit.
  • Part of a high-grade sub-interval within an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.65”

Context: 12

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · silverGrade: 2.12Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.12
Grade Unit
g/t
Intercept
12 m
From
511 m
To
523 m
Hole Depth
709.4 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:511-523
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting resource growth potential.

Positive factors

  • Silver grade (2.12 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of an infill hole supporting resource growth potential.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.12”

Context: 12

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · copperGrade: 2.97Grade Unit: %Intercept: 15 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.97
Grade Unit
%
Intercept
15 m
From
103 m
To
118 m
Hole Depth
709.4 m
Intercept Depth
103 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:103-118
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This shallow intercept shows exceptional copper and copper-equivalent grades over a good width, representing a bonanza grade and enhancing the overall resource growth potential.

Positive factors

  • Exceptional copper grade (2.97%) over a good width (15m) for an IOCG deposit.
  • Very high CuEq grade (3.05%) indicates significant polymetallic value.
  • Shallow intercept, potentially favorable for early mining.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.97”

Context: 15

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · goldGrade: 0Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0
Grade Unit
g/t
Intercept
15 m
From
103 m
To
118 m
Hole Depth
709.4 m
Intercept Depth
103 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:103-118
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: While the overall intercept is high-grade, the absence of gold grade in this specific interval is a minor negative, though it doesn't detract significantly from the copper and silver value.

Positive factors

  • Part of a high-grade copper-silver intercept.

Negative factors

  • No gold grade reported (0.00 g/t).
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.00”

Context: 15

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00348Furnas · silverGrade: 11.81Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00348
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
11.81
Grade Unit
g/t
Intercept
15 m
From
103 m
To
118 m
Hole Depth
709.4 m
Intercept Depth
103 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00348:103-118
Mining Method
mixed

Location

Location
NW zone
Easting
607884
Northing
9348216
Elevation
232 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The strong silver grade significantly enhances the overall value of this high-grade copper-silver intercept, contributing to the bonanza grade.

Positive factors

  • Strong silver grade (11.81 g/t) adds significantly to the polymetallic value of the intercept.
  • Part of a high-grade copper-silver intercept.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“11.81”

Context: 15

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00333Furnas · copperGrade: 0.89Grade Unit: %Intercept: 51 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00333
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.89
Grade Unit
%
Intercept
51 m
From
544 m
To
595 m
Hole Depth
627.7 m
Intercept Depth
544 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00333:544-595
Mining Method
mixed

Location

Location
SE zone
Easting
612555
Northing
9346228
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.4
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows strong copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Strong copper grade (0.89%) over a significant width (51m) for an IOCG deposit.
  • High CuEq grade (1.40%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.89”

Context: 51

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00333Furnas · goldGrade: 0.67Grade Unit: g/tIntercept: 51 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00333
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.67
Grade Unit
g/t
Intercept
51 m
From
544 m
To
595 m
Hole Depth
627.7 m
Intercept Depth
544 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00333:544-595
Mining Method
mixed

Location

Location
SE zone
Easting
612555
Northing
9346228
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.4
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes significantly to the high-grade polymetallic nature of the intercept, confirming continuity.

Positive factors

  • Strong gold grade (0.67 g/t) over a significant width (51m) for an IOCG deposit.
  • Part of a polymetallic intercept contributing to overall project value.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.67”

Context: 51

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00333Furnas · silverGrade: 2.63Grade Unit: g/tIntercept: 51 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00333
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.63
Grade Unit
g/t
Intercept
51 m
From
544 m
To
595 m
Hole Depth
627.7 m
Intercept Depth
544 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00333:544-595
Mining Method
mixed

Location

Location
SE zone
Easting
612555
Northing
9346228
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.4
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (2.63 g/t) adds to the polymetallic value of the intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.63”

Context: 51

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00333Furnas · copperGrade: 1.04Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00333
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.04
Grade Unit
%
Intercept
21 m
From
574 m
To
595 m
Hole Depth
627.7 m
Intercept Depth
544 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00333:574-595
Mining Method
mixed

Location

Location
SE zone
Easting
612555
Northing
9346228
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.62
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper and copper-equivalent grades over a strong width, confirming a high-grade core within the infill intercept and reinforcing resource conversion potential.

Positive factors

  • Exceptional copper grade (1.04%) over a strong width (21m) for an IOCG deposit.
  • Very high CuEq grade (1.62%) indicates significant polymetallic value.
  • Sub-interval within a key infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.04”

Context: 21

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00333Furnas · goldGrade: 0.77Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00333
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.77
Grade Unit
g/t
Intercept
21 m
From
574 m
To
595 m
Hole Depth
627.7 m
Intercept Depth
544 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00333:574-595
Mining Method
mixed

Location

Location
SE zone
Easting
612555
Northing
9346228
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows strong grades within a high-grade sub-interval, reinforcing the positive implications of the infill drilling for resource conversion.

Positive factors

  • Strong gold grade (0.77 g/t) over a good width (21m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a key infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.77”

Context: 21

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00333Furnas · silverGrade: 2.41Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00333
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.41
Grade Unit
g/t
Intercept
21 m
From
574 m
To
595 m
Hole Depth
627.7 m
Intercept Depth
544 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00333:574-595
Mining Method
mixed

Location

Location
SE zone
Easting
612555
Northing
9346228
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting high-grade continuity for resource conversion.

Positive factors

  • Silver grade (2.41 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.41”

Context: 21

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00334Furnas · copperGrade: 0.56Grade Unit: %Intercept: 66 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00334
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.56
Grade Unit
%
Intercept
66 m
From
562 m
To
628 m
Hole Depth
703.9 m
Intercept Depth
562 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00334:562-628
Mining Method
mixed

Location

Location
SE zone
Easting
612516
Northing
9346315
Elevation
324 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.77
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows moderate copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Moderate copper grade (0.56%) over a significant width (66m) for an IOCG deposit.
  • Good CuEq grade (0.77%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.56”

Context: 66

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00334Furnas · goldGrade: 0.27Grade Unit: g/tIntercept: 66 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00334
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.27
Grade Unit
g/t
Intercept
66 m
From
562 m
To
628 m
Hole Depth
703.9 m
Intercept Depth
562 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00334:562-628
Mining Method
mixed

Location

Location
SE zone
Easting
612516
Northing
9346315
Elevation
324 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.77
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Moderate gold grade (0.27 g/t) over a significant width (66m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.27”

Context: 66

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00334Furnas · silverGrade: 2.07Grade Unit: g/tIntercept: 66 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00334
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.07
Grade Unit
g/t
Intercept
66 m
From
562 m
To
628 m
Hole Depth
703.9 m
Intercept Depth
562 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00334:562-628
Mining Method
mixed

Location

Location
SE zone
Easting
612516
Northing
9346315
Elevation
324 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.77
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (2.07 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.07”

Context: 66

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00334Furnas · copperGrade: 0.85Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00334
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.85
Grade Unit
%
Intercept
14 m
From
585 m
To
599 m
Hole Depth
703.9 m
Intercept Depth
562 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00334:585-599
Mining Method
mixed

Location

Location
SE zone
Easting
612516
Northing
9346315
Elevation
324 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows strong copper-equivalent grades over a moderate width, confirming a high-grade core within the infill intercept and reinforcing resource conversion potential.

Positive factors

  • Strong copper grade (0.85%) over a moderate width (14m) for an IOCG deposit.
  • High CuEq grade (1.23%) indicates good polymetallic value.
  • Sub-interval within a key infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.85”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00334Furnas · goldGrade: 0.48Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00334
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.48
Grade Unit
g/t
Intercept
14 m
From
585 m
To
599 m
Hole Depth
703.9 m
Intercept Depth
562 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00334:585-599
Mining Method
mixed

Location

Location
SE zone
Easting
612516
Northing
9346315
Elevation
324 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows good grades within a high-grade sub-interval, reinforcing the positive implications of the infill drilling for resource conversion.

Positive factors

  • Good gold grade (0.48 g/t) over a moderate width (14m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a key infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.48”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00334Furnas · silverGrade: 3.65Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00334
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.65
Grade Unit
g/t
Intercept
14 m
From
585 m
To
599 m
Hole Depth
703.9 m
Intercept Depth
562 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00334:585-599
Mining Method
mixed

Location

Location
SE zone
Easting
612516
Northing
9346315
Elevation
324 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting high-grade continuity for resource conversion.

Positive factors

  • Silver grade (3.65 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“3.65”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00337Furnas · copperGrade: 0.63Grade Unit: %Intercept: 39 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00337
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.63
Grade Unit
%
Intercept
39 m
From
305 m
To
344 m
Hole Depth
417 m
Intercept Depth
305 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00337:305-344
Mining Method
mixed

Location

Location
SE zone
Easting
612459
Northing
9346016
Elevation
333 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.91
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows good copper-equivalent grades over a good width, confirming high-grade continuity within the SE zone.

Positive factors

  • Good copper grade (0.63%) over a good width (39m) for an IOCG deposit.
  • Good CuEq grade (0.91%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.63”

Context: 39

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00337Furnas · goldGrade: 0.37Grade Unit: g/tIntercept: 39 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00337
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.37
Grade Unit
g/t
Intercept
39 m
From
305 m
To
344 m
Hole Depth
417 m
Intercept Depth
305 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00337:305-344
Mining Method
mixed

Location

Location
SE zone
Easting
612459
Northing
9346016
Elevation
333 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Good gold grade (0.37 g/t) over a good width (39m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.37”

Context: 39

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00337Furnas · silverGrade: 2.39Grade Unit: g/tIntercept: 39 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00337
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.39
Grade Unit
g/t
Intercept
39 m
From
305 m
To
344 m
Hole Depth
417 m
Intercept Depth
305 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00337:305-344
Mining Method
mixed

Location

Location
SE zone
Easting
612459
Northing
9346016
Elevation
333 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (2.39 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.39”

Context: 39

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00337Furnas · copperGrade: 0.83Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00337
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.83
Grade Unit
%
Intercept
10 m
From
314 m
To
324 m
Hole Depth
417 m
Intercept Depth
305 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00337:314-324
Mining Method
mixed

Location

Location
SE zone
Easting
612459
Northing
9346016
Elevation
333 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows strong copper-equivalent grades over a moderate width, confirming a high-grade core within the infill intercept and reinforcing resource conversion potential.

Positive factors

  • Strong copper grade (0.83%) over a moderate width (10m) for an IOCG deposit.
  • High CuEq grade (1.23%) indicates good polymetallic value.
  • Sub-interval within a key infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.83”

Context: 10

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00337Furnas · goldGrade: 0.52Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00337
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.52
Grade Unit
g/t
Intercept
10 m
From
314 m
To
324 m
Hole Depth
417 m
Intercept Depth
305 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00337:314-324
Mining Method
mixed

Location

Location
SE zone
Easting
612459
Northing
9346016
Elevation
333 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows good grades within a high-grade sub-interval, reinforcing the positive implications of the infill drilling for resource conversion.

Positive factors

  • Good gold grade (0.52 g/t) over a moderate width (10m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a key infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.52”

Context: 10

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00337Furnas · silverGrade: 3.21Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00337
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.21
Grade Unit
g/t
Intercept
10 m
From
314 m
To
324 m
Hole Depth
417 m
Intercept Depth
305 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00337:314-324
Mining Method
mixed

Location

Location
SE zone
Easting
612459
Northing
9346016
Elevation
333 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting high-grade continuity for resource conversion.

Positive factors

  • Silver grade (3.21 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“3.21”

Context: 10

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00338Furnas · copperGrade: 0.84Grade Unit: %Intercept: 49 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00338
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.84
Grade Unit
%
Intercept
49 m
From
362 m
To
411 m
Hole Depth
438.8 m
Intercept Depth
362 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00338:362-411
Mining Method
mixed

Location

Location
SE zone
Easting
612480
Northing
9346085
Elevation
311 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.21
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows strong copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Strong copper grade (0.84%) over a significant width (49m) for an IOCG deposit.
  • High CuEq grade (1.21%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.84”

Context: 49

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00338Furnas · goldGrade: 0.49Grade Unit: g/tIntercept: 49 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00338
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.49
Grade Unit
g/t
Intercept
49 m
From
362 m
To
411 m
Hole Depth
438.8 m
Intercept Depth
362 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00338:362-411
Mining Method
mixed

Location

Location
SE zone
Easting
612480
Northing
9346085
Elevation
311 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.21
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Good gold grade (0.49 g/t) over a significant width (49m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.49”

Context: 49

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00338Furnas · silverGrade: 2.09Grade Unit: g/tIntercept: 49 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00338
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.09
Grade Unit
g/t
Intercept
49 m
From
362 m
To
411 m
Hole Depth
438.8 m
Intercept Depth
362 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00338:362-411
Mining Method
mixed

Location

Location
SE zone
Easting
612480
Northing
9346085
Elevation
311 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.21
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (2.09 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.09”

Context: 49

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00338Furnas · copperGrade: 1.18Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00338
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.18
Grade Unit
%
Intercept
24 m
From
371 m
To
395 m
Hole Depth
438.8 m
Intercept Depth
362 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00338:371-395
Mining Method
mixed

Location

Location
SE zone
Easting
612480
Northing
9346085
Elevation
311 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper and copper-equivalent grades over a strong width, confirming a high-grade core within the infill intercept and reinforcing resource conversion potential.

Positive factors

  • Exceptional copper grade (1.18%) over a strong width (24m) for an IOCG deposit.
  • Very high CuEq grade (1.67%) indicates significant polymetallic value.
  • Sub-interval within a key infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.18”

Context: 24

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00338Furnas · goldGrade: 0.64Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00338
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
g/t
Intercept
24 m
From
371 m
To
395 m
Hole Depth
438.8 m
Intercept Depth
362 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00338:371-395
Mining Method
mixed

Location

Location
SE zone
Easting
612480
Northing
9346085
Elevation
311 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows strong grades within a high-grade sub-interval, reinforcing the positive implications of the infill drilling for resource conversion.

Positive factors

  • Strong gold grade (0.64 g/t) over a good width (24m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a key infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.64”

Context: 24

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00338Furnas · silverGrade: 2.99Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00338
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.99
Grade Unit
g/t
Intercept
24 m
From
371 m
To
395 m
Hole Depth
438.8 m
Intercept Depth
362 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00338:371-395
Mining Method
mixed

Location

Location
SE zone
Easting
612480
Northing
9346085
Elevation
311 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting high-grade continuity for resource conversion.

Positive factors

  • Silver grade (2.99 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.99”

Context: 24

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00339Furnas · copperGrade: 0.66Grade Unit: %Intercept: 61 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00339
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.66
Grade Unit
%
Intercept
61 m
From
479 m
To
540 m
Hole Depth
600.6 m
Intercept Depth
479 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00339:479-540
Mining Method
mixed

Location

Location
SE zone
Easting
612609
Northing
9346139
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.96
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows good copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Good copper grade (0.66%) over a significant width (61m) for an IOCG deposit.
  • Good CuEq grade (0.96%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.66”

Context: 61

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00339Furnas · goldGrade: 0.39Grade Unit: g/tIntercept: 61 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00339
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.39
Grade Unit
g/t
Intercept
61 m
From
479 m
To
540 m
Hole Depth
600.6 m
Intercept Depth
479 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00339:479-540
Mining Method
mixed

Location

Location
SE zone
Easting
612609
Northing
9346139
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.96
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Good gold grade (0.39 g/t) over a significant width (61m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.39”

Context: 61

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00339Furnas · silverGrade: 2.02Grade Unit: g/tIntercept: 61 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00339
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.02
Grade Unit
g/t
Intercept
61 m
From
479 m
To
540 m
Hole Depth
600.6 m
Intercept Depth
479 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00339:479-540
Mining Method
mixed

Location

Location
SE zone
Easting
612609
Northing
9346139
Elevation
313 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.96
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (2.02 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.02”

Context: 61

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00344Furnas · copperGrade: 0.41Grade Unit: %Intercept: 53 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00344
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.41
Grade Unit
%
Intercept
53 m
From
513 m
To
566 m
Hole Depth
689.1 m
Intercept Depth
513 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00344:513-566
Mining Method
mixed

Location

Location
SE zone
Easting
611789
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows moderate copper-equivalent grades over a significant width, confirming mineralization continuity within the SE zone.

Positive factors

  • Moderate copper grade (0.41%) over a significant width (53m) for an IOCG deposit.
  • Moderate CuEq grade (0.52%) indicates polymetallic value.
  • Confirms mineralization continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.41”

Context: 53

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00344Furnas · goldGrade: 0.13Grade Unit: g/tIntercept: 53 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00344
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.13
Grade Unit
g/t
Intercept
53 m
From
513 m
To
566 m
Hole Depth
689.1 m
Intercept Depth
513 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00344:513-566
Mining Method
mixed

Location

Location
SE zone
Easting
611789
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept is weak but contributes to the polymetallic nature of the infill drilling, supporting mineralization continuity.

Positive factors

  • Gold grade (0.13 g/t) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • Weak gold grade for an IOCG deposit.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.13”

Context: 53

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00344Furnas · silverGrade: 0.88Grade Unit: g/tIntercept: 53 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00344
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.88
Grade Unit
g/t
Intercept
53 m
From
513 m
To
566 m
Hole Depth
689.1 m
Intercept Depth
513 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00344:513-566
Mining Method
mixed

Location

Location
SE zone
Easting
611789
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade is weak but enhances the overall value of this polymetallic infill intercept, further supporting mineralization continuity.

Positive factors

  • Silver grade (0.88 g/t) contributes to the polymetallic nature of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • Weak silver grade for an IOCG deposit.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.88”

Context: 53

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00344Furnas · copperGrade: 0.82Grade Unit: %Intercept: 5 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00344
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.82
Grade Unit
%
Intercept
5 m
From
553 m
To
558 m
Hole Depth
689.1 m
Intercept Depth
513 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00344:553-558
Mining Method
mixed

Location

Location
SE zone
Easting
611789
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.93
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows strong copper-equivalent grades over a narrow width, indicating a higher-grade zone within the infill intercept.

Positive factors

  • Strong copper grade (0.82%) over a narrow width (5m) for an IOCG deposit.
  • Good CuEq grade (0.93%) indicates good polymetallic value.
  • Sub-interval within a key infill hole, highlighting a higher-grade zone.

Negative factors

  • Narrow intercept width.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.82”

Context: 5

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00344Furnas · goldGrade: 0.14Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00344
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.14
Grade Unit
g/t
Intercept
5 m
From
553 m
To
558 m
Hole Depth
689.1 m
Intercept Depth
513 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00344:553-558
Mining Method
mixed

Location

Location
SE zone
Easting
611789
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept is weak and narrow, but contributes to the polymetallic nature of the higher-grade sub-interval.

Positive factors

  • Gold grade (0.14 g/t) contributes to the polymetallic nature of the intercept.
  • Part of a higher-grade sub-interval.

Negative factors

  • Weak gold grade for an IOCG deposit.
  • Narrow intercept width.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.14”

Context: 5

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00344Furnas · silverGrade: 1.87Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00344
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.87
Grade Unit
g/t
Intercept
5 m
From
553 m
To
558 m
Hole Depth
689.1 m
Intercept Depth
513 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00344:553-558
Mining Method
mixed

Location

Location
SE zone
Easting
611789
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic higher-grade sub-interval, further supporting mineralization continuity.

Positive factors

  • Silver grade (1.87 g/t) adds to the polymetallic value of the higher-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • Narrow intercept width.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.87”

Context: 5

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00345Furnas · copperGrade: 0.5Grade Unit: %Intercept: 84 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00345
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.5
Grade Unit
%
Intercept
84 m
From
679 m
To
763 m
Hole Depth
845.7 m
Intercept Depth
679 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00345:679-763
Mining Method
mixed

Location

Location
SE zone
Easting
612567
Northing
9346456
Elevation
306 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.73
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows moderate copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Moderate copper grade (0.50%) over a significant width (84m) for an IOCG deposit.
  • Good CuEq grade (0.73%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.50”

Context: 84

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00345Furnas · goldGrade: 0.29Grade Unit: g/tIntercept: 84 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00345
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.29
Grade Unit
g/t
Intercept
84 m
From
679 m
To
763 m
Hole Depth
845.7 m
Intercept Depth
679 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00345:679-763
Mining Method
mixed

Location

Location
SE zone
Easting
612567
Northing
9346456
Elevation
306 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.73
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Moderate gold grade (0.29 g/t) over a significant width (84m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.29”

Context: 84

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00345Furnas · silverGrade: 1.82Grade Unit: g/tIntercept: 84 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00345
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.82
Grade Unit
g/t
Intercept
84 m
From
679 m
To
763 m
Hole Depth
845.7 m
Intercept Depth
679 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00345:679-763
Mining Method
mixed

Location

Location
SE zone
Easting
612567
Northing
9346456
Elevation
306 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.73
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (1.82 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.82”

Context: 84

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00345Furnas · copperGrade: 0.64Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00345
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
%
Intercept
20 m
From
743 m
To
763 m
Hole Depth
845.7 m
Intercept Depth
679 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00345:743-763
Mining Method
mixed

Location

Location
SE zone
Easting
612567
Northing
9346456
Elevation
306 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows good copper-equivalent grades over a strong width, indicating a higher-grade zone within the infill intercept.

Positive factors

  • Good copper grade (0.64%) over a strong width (20m) for an IOCG deposit.
  • Good CuEq grade (1.00%) indicates good polymetallic value.
  • Sub-interval within a key infill hole, highlighting a higher-grade zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.64”

Context: 20

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00345Furnas · goldGrade: 0.48Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00345
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.48
Grade Unit
g/t
Intercept
20 m
From
743 m
To
763 m
Hole Depth
845.7 m
Intercept Depth
679 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00345:743-763
Mining Method
mixed

Location

Location
SE zone
Easting
612567
Northing
9346456
Elevation
306 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows good grades within a higher-grade sub-interval, reinforcing the positive implications of the infill drilling.

Positive factors

  • Good gold grade (0.48 g/t) over a strong width (20m) for an IOCG deposit.
  • Part of a higher-grade sub-interval within an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.48”

Context: 20

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00345Furnas · silverGrade: 1.84Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00345
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.84
Grade Unit
g/t
Intercept
20 m
From
743 m
To
763 m
Hole Depth
845.7 m
Intercept Depth
679 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00345:743-763
Mining Method
mixed

Location

Location
SE zone
Easting
612567
Northing
9346456
Elevation
306 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic higher-grade sub-interval, further supporting high-grade continuity.

Positive factors

  • Silver grade (1.84 g/t) adds to the polymetallic value of the higher-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.84”

Context: 20

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00346Furnas · copperGrade: 0.65Grade Unit: %Intercept: 63 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00346
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.65
Grade Unit
%
Intercept
63 m
From
698 m
To
761 m
Hole Depth
818.9 m
Intercept Depth
698 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00346:698-761
Mining Method
mixed

Location

Location
SE zone
Easting
612657
Northing
9346376
Elevation
295 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.94
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows good copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Good copper grade (0.65%) over a significant width (63m) for an IOCG deposit.
  • Good CuEq grade (0.94%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.65”

Context: 63

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00346Furnas · goldGrade: 0.38Grade Unit: g/tIntercept: 63 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00346
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.38
Grade Unit
g/t
Intercept
63 m
From
698 m
To
761 m
Hole Depth
818.9 m
Intercept Depth
698 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00346:698-761
Mining Method
mixed

Location

Location
SE zone
Easting
612657
Northing
9346376
Elevation
295 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.94
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Good gold grade (0.38 g/t) over a significant width (63m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.38”

Context: 63

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00346Furnas · silverGrade: 0.94Grade Unit: g/tIntercept: 63 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00346
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.94
Grade Unit
g/t
Intercept
63 m
From
698 m
To
761 m
Hole Depth
818.9 m
Intercept Depth
698 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00346:698-761
Mining Method
mixed

Location

Location
SE zone
Easting
612657
Northing
9346376
Elevation
295 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.94
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade is weak but enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (0.94 g/t) contributes to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • Weak silver grade for an IOCG deposit.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.94”

Context: 63

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00346Furnas · copperGrade: 0.71Grade Unit: %Intercept: 41 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00346
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.71
Grade Unit
%
Intercept
41 m
From
720 m
To
761 m
Hole Depth
818.9 m
Intercept Depth
698 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00346:720-761
Mining Method
mixed

Location

Location
SE zone
Easting
612657
Northing
9346376
Elevation
295 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows strong copper-equivalent grades over a good width, indicating a higher-grade zone within the infill intercept.

Positive factors

  • Strong copper grade (0.71%) over a good width (41m) for an IOCG deposit.
  • High CuEq grade (1.06%) indicates good polymetallic value.
  • Sub-interval within a key infill hole, highlighting a higher-grade zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.71”

Context: 41

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00346Furnas · goldGrade: 0.47Grade Unit: g/tIntercept: 41 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00346
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.47
Grade Unit
g/t
Intercept
41 m
From
720 m
To
761 m
Hole Depth
818.9 m
Intercept Depth
698 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00346:720-761
Mining Method
mixed

Location

Location
SE zone
Easting
612657
Northing
9346376
Elevation
295 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows good grades within a higher-grade sub-interval, reinforcing the positive implications of the infill drilling.

Positive factors

  • Good gold grade (0.47 g/t) over a good width (41m) contributes to the polymetallic nature of the intercept.
  • Part of a higher-grade sub-interval within an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.47”

Context: 41

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00346Furnas · silverGrade: 2Grade Unit: g/tIntercept: 41 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00346
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2
Grade Unit
g/t
Intercept
41 m
From
720 m
To
761 m
Hole Depth
818.9 m
Intercept Depth
698 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00346:720-761
Mining Method
mixed

Location

Location
SE zone
Easting
612657
Northing
9346376
Elevation
295 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic higher-grade sub-interval, further supporting high-grade continuity.

Positive factors

  • Silver grade (2.00 g/t) adds to the polymetallic value of the higher-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.00”

Context: 41

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00347Furnas · copperGrade: 0.77Grade Unit: %Intercept: 60 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00347
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.77
Grade Unit
%
Intercept
60 m
From
473 m
To
533 m
Hole Depth
602.1 m
Intercept Depth
473 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00347:473-533
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows good copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Good copper grade (0.77%) over a significant width (60m) for an IOCG deposit.
  • Good CuEq grade (0.97%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.77”

Context: 60

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00347Furnas · goldGrade: 0.26Grade Unit: g/tIntercept: 60 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00347
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.26
Grade Unit
g/t
Intercept
60 m
From
473 m
To
533 m
Hole Depth
602.1 m
Intercept Depth
473 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00347:473-533
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Moderate gold grade (0.26 g/t) over a significant width (60m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.26”

Context: 60

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00347Furnas · silverGrade: 1.58Grade Unit: g/tIntercept: 60 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00347
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.58
Grade Unit
g/t
Intercept
60 m
From
473 m
To
533 m
Hole Depth
602.1 m
Intercept Depth
473 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00347:473-533
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (1.58 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.58”

Context: 60

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00347Furnas · copperGrade: 1.43Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00347
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.43
Grade Unit
%
Intercept
14 m
From
481 m
To
495 m
Hole Depth
602.1 m
Intercept Depth
473 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00347:481-495
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper and copper-equivalent grades over a moderate width, confirming a high-grade core within the infill intercept and reinforcing resource conversion potential.

Positive factors

  • Exceptional copper grade (1.43%) over a moderate width (14m) for an IOCG deposit.
  • Very high CuEq grade (1.67%) indicates significant polymetallic value.
  • Sub-interval within a key infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.43”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00347Furnas · goldGrade: 0.3Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00347
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
14 m
From
481 m
To
495 m
Hole Depth
602.1 m
Intercept Depth
473 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00347:481-495
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows moderate grades within a high-grade sub-interval, reinforcing the positive implications of the infill drilling for resource conversion.

Positive factors

  • Moderate gold grade (0.30 g/t) over a moderate width (14m) contributes to the polymetallic nature of the intercept.
  • Part of a high-grade sub-interval within an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.30”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00347Furnas · silverGrade: 2.69Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00347
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.69
Grade Unit
g/t
Intercept
14 m
From
481 m
To
495 m
Hole Depth
602.1 m
Intercept Depth
473 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00347:481-495
Mining Method
mixed

Location

Location
SE zone
Easting
611668
Northing
9346757
Elevation
381 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this high-grade sub-interval, further supporting high-grade continuity for resource conversion.

Positive factors

  • Silver grade (2.69 g/t) adds to the polymetallic value of the high-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“2.69”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00351Furnas · copperGrade: 0.52Grade Unit: %Intercept: 34 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00351
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.52
Grade Unit
%
Intercept
34 m
From
509 m
To
543 m
Hole Depth
625 m
Intercept Depth
509 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00351:509-543
Mining Method
mixed

Location

Location
SE zone
Easting
611788
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.74
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows moderate copper-equivalent grades over a good width, confirming mineralization continuity within the SE zone.

Positive factors

  • Moderate copper grade (0.52%) over a good width (34m) for an IOCG deposit.
  • Good CuEq grade (0.74%) indicates good polymetallic value.
  • Confirms mineralization continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.52”

Context: 34

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00351Furnas · goldGrade: 0.29Grade Unit: g/tIntercept: 34 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00351
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.29
Grade Unit
g/t
Intercept
34 m
From
509 m
To
543 m
Hole Depth
625 m
Intercept Depth
509 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00351:509-543
Mining Method
mixed

Location

Location
SE zone
Easting
611788
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.74
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting mineralization continuity.

Positive factors

  • Moderate gold grade (0.29 g/t) over a good width (34m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.29”

Context: 34

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00351Furnas · silverGrade: 0.67Grade Unit: g/tIntercept: 34 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00351
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.67
Grade Unit
g/t
Intercept
34 m
From
509 m
To
543 m
Hole Depth
625 m
Intercept Depth
509 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00351:509-543
Mining Method
mixed

Location

Location
SE zone
Easting
611788
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.74
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade is weak but enhances the overall value of this polymetallic infill intercept, further supporting mineralization continuity.

Positive factors

  • Silver grade (0.67 g/t) contributes to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • Weak silver grade for an IOCG deposit.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.67”

Context: 34

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00351Furnas · copperGrade: 0.82Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00351
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.82
Grade Unit
%
Intercept
14 m
From
511 m
To
525 m
Hole Depth
625 m
Intercept Depth
509 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00351:511-525
Mining Method
mixed

Location

Location
SE zone
Easting
611788
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows strong copper-equivalent grades over a moderate width, indicating a higher-grade zone within the infill intercept.

Positive factors

  • Strong copper grade (0.82%) over a moderate width (14m) for an IOCG deposit.
  • High CuEq grade (1.06%) indicates good polymetallic value.
  • Sub-interval within a key infill hole, highlighting a higher-grade zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.82”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00351Furnas · goldGrade: 0.32Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00351
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.32
Grade Unit
g/t
Intercept
14 m
From
511 m
To
525 m
Hole Depth
625 m
Intercept Depth
509 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00351:511-525
Mining Method
mixed

Location

Location
SE zone
Easting
611788
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept shows moderate grades within a higher-grade sub-interval, reinforcing the positive implications of the infill drilling.

Positive factors

  • Moderate gold grade (0.32 g/t) over a moderate width (14m) contributes to the polymetallic nature of the intercept.
  • Part of a higher-grade sub-interval.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.32”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00351Furnas · silverGrade: 1.17Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00351
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.17
Grade Unit
g/t
Intercept
14 m
From
511 m
To
525 m
Hole Depth
625 m
Intercept Depth
509 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00351:511-525
Mining Method
mixed

Location

Location
SE zone
Easting
611788
Northing
9346776
Elevation
350 m
Azimuth
200 °
Dip
50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade is weak but enhances the overall value of this polymetallic higher-grade sub-interval, further supporting mineralization continuity.

Positive factors

  • Silver grade (1.17 g/t) adds to the polymetallic value of the higher-grade sub-interval.
  • Part of a significant infill hole.

Negative factors

  • Weak silver grade for an IOCG deposit.
  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.17”

Context: 14

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00355Furnas · copperGrade: 0.61Grade Unit: %Intercept: 74 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00355
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.61
Grade Unit
%
Intercept
74 m
From
315 m
To
389 m
Hole Depth
507.1 m
Intercept Depth
315 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00355:315-389
Mining Method
mixed

Location

Location
SE zone
Easting
610494
Northing
9347052
Elevation
380 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.89
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This intercept shows good copper-equivalent grades over a significant width, confirming high-grade continuity within the SE zone.

Positive factors

  • Good copper grade (0.61%) over a significant width (74m) for an IOCG deposit.
  • Good CuEq grade (0.89%) indicates good polymetallic value.
  • Confirms high-grade continuity within the SE zone.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.61”

Context: 74

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00355Furnas · goldGrade: 0.36Grade Unit: g/tIntercept: 74 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00355
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.36
Grade Unit
g/t
Intercept
74 m
From
315 m
To
389 m
Hole Depth
507.1 m
Intercept Depth
315 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00355:315-389
Mining Method
mixed

Location

Location
SE zone
Easting
610494
Northing
9347052
Elevation
380 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.89
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This gold intercept contributes positively to the polymetallic nature of the infill drilling, supporting high-grade continuity.

Positive factors

  • Good gold grade (0.36 g/t) over a significant width (74m) contributes to the polymetallic nature of the intercept.
  • Part of an infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.36”

Context: 74

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00355Furnas · silverGrade: 1.5Grade Unit: g/tIntercept: 74 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00355
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.5
Grade Unit
g/t
Intercept
74 m
From
315 m
To
389 m
Hole Depth
507.1 m
Intercept Depth
315 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00355:315-389
Mining Method
mixed

Location

Location
SE zone
Easting
610494
Northing
9347052
Elevation
380 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
0.89
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: The silver grade enhances the overall value of this polymetallic infill intercept, further supporting high-grade continuity.

Positive factors

  • Silver grade (1.50 g/t) adds to the polymetallic value of the infill intercept.
  • Part of a significant infill hole.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“1.50”

Context: 74

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00355Furnas · copperGrade: 0.97Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00355
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.97
Grade Unit
%
Intercept
20 m
From
369 m
To
389 m
Hole Depth
507.1 m
Intercept Depth
315 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00355:369-389
Mining Method
mixed

Location

Location
SE zone
Easting
610494
Northing
9347052
Elevation
380 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Metal Eq. Grade
1.35
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: This sub-interval shows strong copper-equivalent grades over a strong width, confirming a high-grade core within the infill intercept and reinforcing resource conversion potential.

Positive factors

  • Strong copper grade (0.97%) over a strong width (20m) for an IOCG deposit.
  • High CuEq grade (1.35%) indicates good polymetallic value.
  • Sub-interval within a key infill hole, highlighting a high-grade core.

Negative factors

  • True width not disclosed.
  • Cut-off grade for compositing not stated.

Evidence · table

“0.97”

Context: 20

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00355Furnas · goldGrade: 0.5Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00355
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.5
Grade Unit
g/t
Intercept
20 m
From
369 m
To
389 m
Hole Depth
507.1 m
Intercept Depth
315 m

Classification

Deposit Type
iocg
Program
mixed
Sample Type
drill
Group ID
FURN-DD-00355:369-389
Mining Method
mixed

Location

Location
SE zone
Easting
610494
Northing
9347052
Elevation
380 m
Azimuth
200 °
Dip
60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Positive factors

  • Good gold grade (0.50 g/t) over a strong width (20m) for an IOCG deposit.
  • Part of a high-grade sub-interval within a key infill hole.

Negative factors

  • True width not disclosed.

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.04Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.04
Grade Unit
%
Intercept
21 m
From
574 m
To
595 m
Intercept Depth
574 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:574-595
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.62
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.04 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 21.8 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.04 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.04”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.77Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.77
Grade Unit
g/t
Intercept
21 m
From
574 m
To
595 m
Intercept Depth
574 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:574-595
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.62
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.77 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 16.2 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.77”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.41Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.41
Grade Unit
g/t
Intercept
21 m
From
574 m
To
595 m
Intercept Depth
574 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:574-595
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.62
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.41 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 50.6 g/t·m is below.

Negative factors

  • 2.41 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.41”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.85Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.85
Grade Unit
%
Intercept
14 m
From
585 m
To
599 m
Intercept Depth
585 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:585-599
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.85 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 11.9 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.85 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.85”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.48Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.48
Grade Unit
g/t
Intercept
14 m
From
585 m
To
599 m
Intercept Depth
585 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:585-599
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.48 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 6.7 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.48”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 3.65Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.65
Grade Unit
g/t
Intercept
14 m
From
585 m
To
599 m
Intercept Depth
585 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:585-599
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 3.65 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 51.1 g/t·m is below.

Negative factors

  • 3.65 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3.65”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.83Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.83
Grade Unit
%
Intercept
10 m
From
314 m
To
324 m
Intercept Depth
314 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:314-324
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.83 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 8.3 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.83 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.83”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.52Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.52
Grade Unit
g/t
Intercept
10 m
From
314 m
To
324 m
Intercept Depth
314 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:314-324
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.52 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 5.2 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.52”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 3.21Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.21
Grade Unit
g/t
Intercept
10 m
From
314 m
To
324 m
Intercept Depth
314 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:314-324
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.23
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 3.21 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 32.1 g/t·m is below.

Negative factors

  • 3.21 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3.21”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.18Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.18
Grade Unit
%
Intercept
24 m
From
371 m
To
395 m
Intercept Depth
371 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:371-395
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.18 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 28.3 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.18 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.18”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.64Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
g/t
Intercept
24 m
From
371 m
To
395 m
Intercept Depth
371 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:371-395
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 15.4 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.99Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.99
Grade Unit
g/t
Intercept
24 m
From
371 m
To
395 m
Intercept Depth
371 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:371-395
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.99 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 71.8 g/t·m is below.

Negative factors

  • 2.99 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.99”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.25Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.25
Grade Unit
%
Intercept
27 m
From
601 m
To
628 m
Intercept Depth
601 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:601-628
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.86
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.25 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 33.8 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.25 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.25”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.77Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.77
Grade Unit
g/t
Intercept
27 m
From
601 m
To
628 m
Intercept Depth
601 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:601-628
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.86
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.77 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 20.8 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.77”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 6.06Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
6.06
Grade Unit
g/t
Intercept
27 m
From
601 m
To
628 m
Intercept Depth
601 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:601-628
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.86
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 6.06 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 163.6 g/t·m is below.

Negative factors

  • 6.06 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“6.06”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.82Grade Unit: %Intercept: 5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.82
Grade Unit
%
Intercept
5 m
From
553 m
To
558 m
Intercept Depth
553 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:553-558
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.93
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.82 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 4.1 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.82 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.82”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.14Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.14
Grade Unit
g/t
Intercept
5 m
From
553 m
To
558 m
Intercept Depth
553 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:553-558
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.93
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.14 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 0.7 g/t·m is below.

Negative factors

  • 0.14 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.14”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.87Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.87
Grade Unit
g/t
Intercept
5 m
From
553 m
To
558 m
Intercept Depth
553 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:553-558
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.93
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.87 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 9.4 g/t·m is below.

Negative factors

  • 1.87 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.87”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.64Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
%
Intercept
20 m
From
743 m
To
763 m
Intercept Depth
743 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:743-763
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 12.8 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.64 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.48Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.48
Grade Unit
g/t
Intercept
20 m
From
743 m
To
763 m
Intercept Depth
743 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:743-763
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.48 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 9.6 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.48”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.84Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.84
Grade Unit
g/t
Intercept
20 m
From
743 m
To
763 m
Intercept Depth
743 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:743-763
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.84 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 36.8 g/t·m is below.

Negative factors

  • 1.84 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.84”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.71Grade Unit: %Intercept: 41 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.71
Grade Unit
%
Intercept
41 m
From
720 m
To
761 m
Intercept Depth
720 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:720-761
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.71 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 29.1 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.71 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.71”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.47Grade Unit: g/tIntercept: 41 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.47
Grade Unit
g/t
Intercept
41 m
From
720 m
To
761 m
Intercept Depth
720 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:720-761
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.47 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 19.3 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.47”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2Grade Unit: g/tIntercept: 41 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2
Grade Unit
g/t
Intercept
41 m
From
720 m
To
761 m
Intercept Depth
720 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:720-761
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 82.0 g/t·m is below.

Negative factors

  • 2 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.00”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.43Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.43
Grade Unit
%
Intercept
14 m
From
481 m
To
495 m
Intercept Depth
481 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:481-495
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.43 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 20.0 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.43 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.43”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.3Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
14 m
From
481 m
To
495 m
Intercept Depth
481 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:481-495
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 4.2 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.30”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.69Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.69
Grade Unit
g/t
Intercept
14 m
From
481 m
To
495 m
Intercept Depth
481 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:481-495
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.69 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 37.7 g/t·m is below.

Negative factors

  • 2.69 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.69”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.82Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.82
Grade Unit
%
Intercept
14 m
From
511 m
To
525 m
Intercept Depth
511 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:511-525
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.82 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 11.5 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.82 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.82”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.32Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.32
Grade Unit
g/t
Intercept
14 m
From
511 m
To
525 m
Intercept Depth
511 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:511-525
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.32 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 4.5 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.32”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.17Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.17
Grade Unit
g/t
Intercept
14 m
From
511 m
To
525 m
Intercept Depth
511 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:511-525
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.06
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.17 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 16.4 g/t·m is below.

Negative factors

  • 1.17 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.17”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.78Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.78
Grade Unit
%
Intercept
20 m
From
484 m
To
504 m
Intercept Depth
484 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:484-504
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.98
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.78 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 35.6 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.78 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.78”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.25Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.25
Grade Unit
g/t
Intercept
20 m
From
484 m
To
504 m
Intercept Depth
484 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:484-504
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.98
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.25 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 5.0 g/t·m is below.

Negative factors

  • 0.25 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.25”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 3.12Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.12
Grade Unit
g/t
Intercept
20 m
From
484 m
To
504 m
Intercept Depth
484 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:484-504
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.98
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 3.12 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 62.4 g/t·m is below.

Negative factors

  • 3.12 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3.12”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.97Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.97
Grade Unit
%
Intercept
20 m
From
369 m
To
389 m
Intercept Depth
369 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:369-389
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.35
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.97 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 19.4 %·m is below (grade alone is exceptional; the better of the two is used).

Positive factors

  • 0.97 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.97”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.5Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.5
Grade Unit
g/t
Intercept
20 m
From
369 m
To
389 m
Intercept Depth
369 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:369-389
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.35
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 10.0 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.50”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.31Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.31
Grade Unit
g/t
Intercept
20 m
From
369 m
To
389 m
Intercept Depth
369 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:369-389
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.35
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.31 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 26.2 g/t·m is below.

Negative factors

  • 1.31 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.31”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.17Grade Unit: %Intercept: 32 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.17
Grade Unit
%
Intercept
32 m
From
726 m
To
758 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:726-758
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.7
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.17 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 37.4 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.17 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.17”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.68Grade Unit: g/tIntercept: 32 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.68
Grade Unit
g/t
Intercept
32 m
From
726 m
To
758 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:726-758
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.7
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.68 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 21.8 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.68”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 5.4Grade Unit: g/tIntercept: 32 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
5.4
Grade Unit
g/t
Intercept
32 m
From
726 m
To
758 m
Intercept Depth
726 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:726-758
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.7
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 5.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 172.8 g/t·m is below.

Negative factors

  • 5.4 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“5.40”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00358Furnas · copperGrade: 0.49Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00358
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.49
Grade Unit
%
Intercept
21 m
From
323 m
To
344 m
Intercept Depth
323 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00358:323-344
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.55
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.49 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 10.3 %·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.49”

Context: FURN-DD-00358

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00358Furnas · goldGrade: 0.07Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00358
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.07
Grade Unit
g/t
Intercept
21 m
From
323 m
To
344 m
Intercept Depth
323 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00358:323-344
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.55
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.07 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 1.5 g/t·m is below.

Negative factors

  • 0.07 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.07”

Context: FURN-DD-00358

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00358Furnas · silverGrade: 1.27Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00358
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.27
Grade Unit
g/t
Intercept
21 m
From
323 m
To
344 m
Intercept Depth
323 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00358:323-344
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.55
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.27 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 26.7 g/t·m is below.

Negative factors

  • 1.27 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.27”

Context: FURN-DD-00358

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · copperGrade: 0.43Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.43
Grade Unit
%
Intercept
8 m
From
367 m
To
375 m
Intercept Depth
367 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:367-375
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.5
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.43 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 3.4 %·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.43”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · goldGrade: 0.09Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
8 m
From
367 m
To
375 m
Intercept Depth
367 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:367-375
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.5
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.09 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 0.7 g/t·m is below.

Negative factors

  • 0.09 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.09”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · silverGrade: 0.93Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.93
Grade Unit
g/t
Intercept
8 m
From
367 m
To
375 m
Intercept Depth
367 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:367-375
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.5
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.93 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 7.4 g/t·m is below.

Negative factors

  • 0.93 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.93”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · copperGrade: 0.43Grade Unit: %Intercept: 5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.43
Grade Unit
%
Intercept
5 m
From
392 m
To
397 m
Intercept Depth
392 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:392-397
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.43 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 2.1 %·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.43”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · goldGrade: 0.11Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.11
Grade Unit
g/t
Intercept
5 m
From
392 m
To
397 m
Intercept Depth
392 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:392-397
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.11 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 0.6 g/t·m is below.

Negative factors

  • 0.11 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.11”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · silverGrade: 1.9Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.9
Grade Unit
g/t
Intercept
5 m
From
392 m
To
397 m
Intercept Depth
392 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:392-397
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.9 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 9.5 g/t·m is below.

Negative factors

  • 1.9 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.90”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00360Furnas · copperGrade: 0.6Grade Unit: %Intercept: 72 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00360
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.6
Grade Unit
%
Intercept
72 m
From
409 m
To
481 m
Intercept Depth
409 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00360:409-481
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.79
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 43.2 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.6 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.60”

Context: FURN-DD-00360

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00360Furnas · goldGrade: 0.24Grade Unit: g/tIntercept: 72 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00360
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.24
Grade Unit
g/t
Intercept
72 m
From
409 m
To
481 m
Intercept Depth
409 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00360:409-481
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.79
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.24 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 17.3 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.24”

Context: FURN-DD-00360

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00360Furnas · silverGrade: 1.33Grade Unit: g/tIntercept: 72 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00360
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.33
Grade Unit
g/t
Intercept
72 m
From
409 m
To
481 m
Intercept Depth
409 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00360:409-481
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.79
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.33 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 95.8 g/t·m is below.

Negative factors

  • 1.33 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.33”

Context: FURN-DD-00360

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.85Grade Unit: %Intercept: 13 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.85
Grade Unit
%
Intercept
13 m
From
465 m
To
478 m
Intercept Depth
465 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:465-478
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.21
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.85 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 11.0 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.85 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.85”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.47Grade Unit: g/tIntercept: 13 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.47
Grade Unit
g/t
Intercept
13 m
From
465 m
To
478 m
Intercept Depth
465 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:465-478
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.21
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.47 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 6.1 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.47”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.21Grade Unit: g/tIntercept: 13 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.21
Grade Unit
g/t
Intercept
13 m
From
465 m
To
478 m
Intercept Depth
465 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:465-478
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.21
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.21 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 15.7 g/t·m is below.

Negative factors

  • 1.21 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.21”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00361Furnas · copperGrade: 0.57Grade Unit: %Intercept: 35 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00361
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.57
Grade Unit
%
Intercept
35 m
From
399 m
To
434 m
Intercept Depth
399 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00361:399-434
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.57 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 19.9 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.57 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.57”

Context: FURN-DD-00361

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00361Furnas · goldGrade: 0.54Grade Unit: g/tIntercept: 35 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00361
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.54
Grade Unit
g/t
Intercept
35 m
From
399 m
To
434 m
Intercept Depth
399 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00361:399-434
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.54 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 18.9 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.54”

Context: FURN-DD-00361

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00361Furnas · silverGrade: 1.02Grade Unit: g/tIntercept: 35 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00361
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.02
Grade Unit
g/t
Intercept
35 m
From
399 m
To
434 m
Intercept Depth
399 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00361:399-434
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.97
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.02 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 35.7 g/t·m is below.

Negative factors

  • 1.02 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.02”

Context: FURN-DD-00361

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.64Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
%
Intercept
27 m
From
401 m
To
428 m
Intercept Depth
401 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:401-428
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.09
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 17.3 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.64 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.61Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.61
Grade Unit
g/t
Intercept
27 m
From
401 m
To
428 m
Intercept Depth
401 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:401-428
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.09
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.61 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 16.5 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.61”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.13Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.13
Grade Unit
g/t
Intercept
27 m
From
401 m
To
428 m
Intercept Depth
401 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:401-428
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.09
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.13 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 30.5 g/t·m is below.

Negative factors

  • 1.13 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.13”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00367Furnas · copperGrade: 0.58Grade Unit: %Intercept: 86 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00367
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.58
Grade Unit
%
Intercept
86 m
From
373 m
To
459 m
Intercept Depth
373 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00367:373-459
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.58 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 49.9 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.58 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.58”

Context: FURN-DD-00367

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00367Furnas · goldGrade: 0.3Grade Unit: g/tIntercept: 86 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00367
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
86 m
From
373 m
To
459 m
Intercept Depth
373 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00367:373-459
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 25.8 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.30”

Context: FURN-DD-00367

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00367Furnas · silverGrade: 1.19Grade Unit: g/tIntercept: 86 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00367
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.19
Grade Unit
g/t
Intercept
86 m
From
373 m
To
459 m
Intercept Depth
373 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00367:373-459
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.19 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 102.3 g/t·m is below.

Negative factors

  • 1.19 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.19”

Context: FURN-DD-00367

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.29Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.29
Grade Unit
%
Intercept
10 m
From
414 m
To
424 m
Intercept Depth
414 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:414-424
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.49
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.29 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 12.9 %·m is below (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.29 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.29”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.25Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.25
Grade Unit
g/t
Intercept
10 m
From
414 m
To
424 m
Intercept Depth
414 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:414-424
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.49
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.25 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 2.5 g/t·m is below.

Negative factors

  • 0.25 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.25”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.24Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.24
Grade Unit
g/t
Intercept
10 m
From
414 m
To
424 m
Intercept Depth
414 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:414-424
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.49
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.24 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 22.4 g/t·m is below.

Negative factors

  • 2.24 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.24”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.96Grade Unit: %Intercept: 17 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.96
Grade Unit
%
Intercept
17 m
From
442 m
To
459 m
Intercept Depth
442 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:442-459
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.36
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.96 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 16.3 %·m is below (grade alone is exceptional; the better of the two is used).

Positive factors

  • 0.96 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.96”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.52Grade Unit: g/tIntercept: 17 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.52
Grade Unit
g/t
Intercept
17 m
From
442 m
To
459 m
Intercept Depth
442 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:442-459
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.36
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.52 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 8.8 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.52”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.35Grade Unit: g/tIntercept: 17 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.35
Grade Unit
g/t
Intercept
17 m
From
442 m
To
459 m
Intercept Depth
442 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:442-459
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.36
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.35 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 40.0 g/t·m is below.

Negative factors

  • 2.35 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.35”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.87Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.87
Grade Unit
%
Intercept
16 m
From
380 m
To
396 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:380-396
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.53
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.87 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 13.9 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.87 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.87”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.89Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.89
Grade Unit
g/t
Intercept
16 m
From
380 m
To
396 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:380-396
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.53
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.89 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 14.2 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.89”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.52Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.52
Grade Unit
g/t
Intercept
16 m
From
380 m
To
396 m
Intercept Depth
380 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:380-396
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.53
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.52 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 24.3 g/t·m is below.

Negative factors

  • 1.52 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.52”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00369Furnas · copperGrade: 0.44Grade Unit: %Intercept: 26 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00369
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.44
Grade Unit
%
Intercept
26 m
From
265 m
To
291 m
Intercept Depth
265 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00369:265-291
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.73
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.44 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 11.4 %·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.44”

Context: FURN-DD-00369

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00369Furnas · goldGrade: 0.35Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00369
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.35
Grade Unit
g/t
Intercept
26 m
From
265 m
To
291 m
Intercept Depth
265 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00369:265-291
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.73
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.35 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 9.1 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.35”

Context: FURN-DD-00369

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00369Furnas · silverGrade: 3.79Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00369
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.79
Grade Unit
g/t
Intercept
26 m
From
265 m
To
291 m
Intercept Depth
265 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00369:265-291
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.73
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 3.79 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 98.5 g/t·m is below.

Negative factors

  • 3.79 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3.79”

Context: FURN-DD-00369

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.51Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.51
Grade Unit
%
Intercept
14 m
From
266 m
To
280 m
Intercept Depth
266 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:266-280
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.87
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.51 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 7.1 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.51 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.51”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.44Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.44
Grade Unit
g/t
Intercept
14 m
From
266 m
To
280 m
Intercept Depth
266 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:266-280
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.87
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.44 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 6.2 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.44”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 6.4Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
6.4
Grade Unit
g/t
Intercept
14 m
From
266 m
To
280 m
Intercept Depth
266 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:266-280
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.87
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 6.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 89.6 g/t·m is below.

Negative factors

  • 6.4 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“6.40”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00372Furnas · copperGrade: 0.74Grade Unit: %Intercept: 62 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00372
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.74
Grade Unit
%
Intercept
62 m
From
478 m
To
540 m
Intercept Depth
478 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00372:478-540
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.13
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.74 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 45.9 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.74 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.74”

Context: FURN-DD-00372

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00372Furnas · goldGrade: 0.51Grade Unit: g/tIntercept: 62 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00372
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.51
Grade Unit
g/t
Intercept
62 m
From
478 m
To
540 m
Intercept Depth
478 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00372:478-540
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.13
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.51 g/t gold is moderate against the default band [5, 2, 1, 0.3] g/t. Grade×width 31.6 g/t·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.51”

Context: FURN-DD-00372

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00372Furnas · silverGrade: 2.52Grade Unit: g/tIntercept: 62 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00372
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.52
Grade Unit
g/t
Intercept
62 m
From
478 m
To
540 m
Intercept Depth
478 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00372:478-540
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.13
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.52 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 156.2 g/t·m is below.

Negative factors

  • 2.52 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.52”

Context: FURN-DD-00372

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1
Grade Unit
%
Intercept
16 m
From
482 m
To
498 m
Intercept Depth
482 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:482-498
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.49
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 16.0 %·m is below (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.00”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.62Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.62
Grade Unit
g/t
Intercept
16 m
From
482 m
To
498 m
Intercept Depth
482 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:482-498
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.49
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.62 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 9.9 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.62”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 3.86Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.86
Grade Unit
g/t
Intercept
16 m
From
482 m
To
498 m
Intercept Depth
482 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:482-498
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.49
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 3.86 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 61.8 g/t·m is below.

Negative factors

  • 3.86 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3.86”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.82Grade Unit: %Intercept: 22 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.82
Grade Unit
%
Intercept
22 m
From
518 m
To
540 m
Intercept Depth
518 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:518-540
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.3
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.82 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 18.0 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.82 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.82”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.64Grade Unit: g/tIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
g/t
Intercept
22 m
From
518 m
To
540 m
Intercept Depth
518 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:518-540
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.3
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 14.1 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.91Grade Unit: g/tIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.91
Grade Unit
g/t
Intercept
22 m
From
518 m
To
540 m
Intercept Depth
518 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:518-540
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.3
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.91 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 42.0 g/t·m is below.

Negative factors

  • 1.91 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.91”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00317Furnas · copperGrade: 0.29Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00317
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.29
Grade Unit
%
Intercept
20 m
From
420 m
To
440 m
Intercept Depth
420 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00317:420-440
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.66
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.29 % copper is weak against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 5.8 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.29”

Context: FURN-DD-00317

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00317Furnas · goldGrade: 0.5Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00317
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.5
Grade Unit
g/t
Intercept
20 m
From
420 m
To
440 m
Intercept Depth
420 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00317:420-440
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.66
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 10.0 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.50”

Context: FURN-DD-00317

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00317Furnas · silverGrade: 0.44Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00317
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.44
Grade Unit
g/t
Intercept
20 m
From
420 m
To
440 m
Intercept Depth
420 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00317:420-440
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.66
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.44 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 8.8 g/t·m is below.

Negative factors

  • 0.44 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.44”

Context: FURN-DD-00317

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · copperGrade: 0.64Grade Unit: %Intercept: 66 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
%
Intercept
66 m
From
481 m
To
547 m
Intercept Depth
481 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:481-547
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.83
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 42.2 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.64 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · goldGrade: 0.26Grade Unit: g/tIntercept: 66 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.26
Grade Unit
g/t
Intercept
66 m
From
481 m
To
547 m
Intercept Depth
481 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:481-547
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.83
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.26 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 17.2 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.26”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · silverGrade: 1.52Grade Unit: g/tIntercept: 66 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.52
Grade Unit
g/t
Intercept
66 m
From
481 m
To
547 m
Intercept Depth
481 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:481-547
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.83
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.52 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 100.3 g/t·m is below.

Negative factors

  • 1.52 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.52”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.99Grade Unit: %Intercept: 22 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.99
Grade Unit
%
Intercept
22 m
From
493 m
To
515 m
Intercept Depth
493 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:493-515
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.12
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.99 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 21.8 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 0.99 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.99”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.17Grade Unit: g/tIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.17
Grade Unit
g/t
Intercept
22 m
From
493 m
To
515 m
Intercept Depth
493 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:493-515
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.12
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.17 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 3.7 g/t·m is below.

Negative factors

  • 0.17 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.17”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.18Grade Unit: g/tIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.18
Grade Unit
g/t
Intercept
22 m
From
493 m
To
515 m
Intercept Depth
493 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:493-515
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.12
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.18 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 26.0 g/t·m is below.

Negative factors

  • 1.18 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.18”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00332Furnas · copperGrade: 0.43Grade Unit: %Intercept: 81 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00332
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.43
Grade Unit
%
Intercept
81 m
From
569 m
To
650 m
Intercept Depth
569 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00332:569-650
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.64
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.43 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 34.8 %·m is weak (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.43”

Context: FURN-DD-00332

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00332Furnas · goldGrade: 0.29Grade Unit: g/tIntercept: 81 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00332
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.29
Grade Unit
g/t
Intercept
81 m
From
569 m
To
650 m
Intercept Depth
569 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00332:569-650
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.64
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.29 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 23.5 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.29”

Context: FURN-DD-00332

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00332Furnas · silverGrade: 0.9Grade Unit: g/tIntercept: 81 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00332
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.9
Grade Unit
g/t
Intercept
81 m
From
569 m
To
650 m
Intercept Depth
569 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00332:569-650
Mining Method
mixed

Location

Location
NORTHWEST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.64
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.9 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 72.9 g/t·m is below.

Negative factors

  • 0.9 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.90”

Context: FURN-DD-00332

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.55Grade Unit: %Intercept: 44 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.55
Grade Unit
%
Intercept
44 m
From
593 m
To
637 m
Intercept Depth
593 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:593-637
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.55 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 24.2 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.55 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.55”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.32Grade Unit: g/tIntercept: 44 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.32
Grade Unit
g/t
Intercept
44 m
From
593 m
To
637 m
Intercept Depth
593 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:593-637
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.32 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 14.1 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.32”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.2Grade Unit: g/tIntercept: 44 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.2
Grade Unit
g/t
Intercept
44 m
From
593 m
To
637 m
Intercept Depth
593 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:593-637
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.2 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 52.8 g/t·m is below.

Negative factors

  • 1.2 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.20”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00335Furnas · copperGrade: 0.48Grade Unit: %Intercept: 103 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00335
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.48
Grade Unit
%
Intercept
103 m
From
94 m
To
197 m
Intercept Depth
94 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00335:94-197
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.59
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.48 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 49.4 %·m is weak (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.48”

Context: FURN-DD-00335

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00335Furnas · goldGrade: 0.14Grade Unit: g/tIntercept: 103 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00335
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.14
Grade Unit
g/t
Intercept
103 m
From
94 m
To
197 m
Intercept Depth
94 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00335:94-197
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.59
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.14 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 14.4 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.14”

Context: FURN-DD-00335

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00335Furnas · silverGrade: 0.69Grade Unit: g/tIntercept: 103 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00335
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.69
Grade Unit
g/t
Intercept
103 m
From
94 m
To
197 m
Intercept Depth
94 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00335:94-197
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.59
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.69 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 71.1 g/t·m is below.

Negative factors

  • 0.69 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.69”

Context: FURN-DD-00335

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.63Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.63
Grade Unit
%
Intercept
20 m
From
113 m
To
133 m
Intercept Depth
113 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:113-133
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 12.6 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.63 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.63”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.24Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.24
Grade Unit
g/t
Intercept
20 m
From
113 m
To
133 m
Intercept Depth
113 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:113-133
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.24 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 4.8 g/t·m is below.

Negative factors

  • 0.24 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.24”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 0.88Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.88
Grade Unit
g/t
Intercept
20 m
From
113 m
To
133 m
Intercept Depth
113 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:113-133
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.88 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 17.6 g/t·m is below.

Negative factors

  • 0.88 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.88”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00336Furnas · copperGrade: 0.58Grade Unit: %Intercept: 83 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00336
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.58
Grade Unit
%
Intercept
83 m
From
462 m
To
545 m
Intercept Depth
462 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00336:462-545
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.87
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.58 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 48.1 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.58 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.58”

Context: FURN-DD-00336

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00336Furnas · goldGrade: 0.38Grade Unit: g/tIntercept: 83 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00336
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.38
Grade Unit
g/t
Intercept
83 m
From
462 m
To
545 m
Intercept Depth
462 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00336:462-545
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.87
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.38 g/t gold is moderate against the default band [5, 2, 1, 0.3] g/t. Grade×width 31.5 g/t·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.38”

Context: FURN-DD-00336

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00336Furnas · silverGrade: 1.23Grade Unit: g/tIntercept: 83 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00336
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.23
Grade Unit
g/t
Intercept
83 m
From
462 m
To
545 m
Intercept Depth
462 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00336:462-545
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.87
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.23 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 102.1 g/t·m is below.

Negative factors

  • 1.23 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.23”

Context: FURN-DD-00336

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 1.49Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.49
Grade Unit
%
Intercept
8 m
From
465 m
To
473 m
Intercept Depth
465 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:465-473
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.82
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.49 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 11.9 %·m is below (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.49 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.49”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.43Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.43
Grade Unit
g/t
Intercept
8 m
From
465 m
To
473 m
Intercept Depth
465 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:465-473
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.82
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.43 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 3.4 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.43”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.5Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.5
Grade Unit
g/t
Intercept
8 m
From
465 m
To
473 m
Intercept Depth
465 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:465-473
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.82
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.5 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 20.0 g/t·m is below.

Negative factors

  • 2.5 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.50”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00341Furnas · copperGrade: 0.56Grade Unit: %Intercept: 120 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00341
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.56
Grade Unit
%
Intercept
120 m
From
400 m
To
520 m
Intercept Depth
400 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00341:400-520
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.76
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.56 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 67.2 %·m is moderate (grade alone is strong; the better of the two is used).

Positive factors

  • 0.56 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.56”

Context: FURN-DD-00341

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00341Furnas · goldGrade: 0.25Grade Unit: g/tIntercept: 120 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00341
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.25
Grade Unit
g/t
Intercept
120 m
From
400 m
To
520 m
Intercept Depth
400 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00341:400-520
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.76
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.25 g/t gold is moderate against the default band [5, 2, 1, 0.3] g/t. Grade×width 30.0 g/t·m is moderate (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.25”

Context: FURN-DD-00341

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00341Furnas · silverGrade: 1.89Grade Unit: g/tIntercept: 120 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00341
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.89
Grade Unit
g/t
Intercept
120 m
From
400 m
To
520 m
Intercept Depth
400 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00341:400-520
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.76
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.89 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 226.8 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.89”

Context: FURN-DD-00341

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.8Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.8
Grade Unit
%
Intercept
24 m
From
484 m
To
508 m
Intercept Depth
484 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:484-508
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.32
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.8 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 19.2 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.8 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.80”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.65Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.65
Grade Unit
g/t
Intercept
24 m
From
484 m
To
508 m
Intercept Depth
484 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:484-508
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.32
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.65 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 15.6 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.65”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 3.54Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
3.54
Grade Unit
g/t
Intercept
24 m
From
484 m
To
508 m
Intercept Depth
484 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:484-508
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.32
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 3.54 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 85.0 g/t·m is below.

Negative factors

  • 3.54 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3.54”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00342Furnas · copperGrade: 0.63Grade Unit: %Intercept: 117 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00342
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.63
Grade Unit
%
Intercept
117 m
From
423 m
To
540 m
Intercept Depth
423 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00342:423-540
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.74
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 73.7 %·m is moderate (grade alone is strong; the better of the two is used).

Positive factors

  • 0.63 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.63”

Context: FURN-DD-00342

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00342Furnas · goldGrade: 0.13Grade Unit: g/tIntercept: 117 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00342
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.13
Grade Unit
g/t
Intercept
117 m
From
423 m
To
540 m
Intercept Depth
423 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00342:423-540
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.74
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.13 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 15.2 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.13”

Context: FURN-DD-00342

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00342Furnas · silverGrade: 1.4Grade Unit: g/tIntercept: 117 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00342
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.4
Grade Unit
g/t
Intercept
117 m
From
423 m
To
540 m
Intercept Depth
423 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00342:423-540
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.74
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 163.8 g/t·m is below.

Negative factors

  • 1.4 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.40”

Context: FURN-DD-00342

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.96Grade Unit: %Intercept: 30 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.96
Grade Unit
%
Intercept
30 m
From
431 m
To
461 m
Intercept Depth
431 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:431-461
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.96 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 28.8 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 0.96 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.96”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.11Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.11
Grade Unit
g/t
Intercept
30 m
From
431 m
To
461 m
Intercept Depth
431 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:431-461
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.11 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 3.3 g/t·m is below.

Negative factors

  • 0.11 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.11”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.4Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.4
Grade Unit
g/t
Intercept
30 m
From
431 m
To
461 m
Intercept Depth
431 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:431-461
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 42.0 g/t·m is below.

Negative factors

  • 1.4 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.40”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.95Grade Unit: %Intercept: 19 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.95
Grade Unit
%
Intercept
19 m
From
471 m
To
490 m
Intercept Depth
471 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:471-490
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.95 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 18.1 %·m is below (grade alone is exceptional; the better of the two is used).

Positive factors

  • 0.95 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.95”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.44Grade Unit: g/tIntercept: 19 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.44
Grade Unit
g/t
Intercept
19 m
From
471 m
To
490 m
Intercept Depth
471 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:471-490
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.44 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 8.4 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.44”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.24Grade Unit: g/tIntercept: 19 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.24
Grade Unit
g/t
Intercept
19 m
From
471 m
To
490 m
Intercept Depth
471 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:471-490
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.24 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 42.6 g/t·m is below.

Negative factors

  • 2.24 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.24”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00343Furnas · copperGrade: 0.52Grade Unit: %Intercept: 77 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00343
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.52
Grade Unit
%
Intercept
77 m
From
392 m
To
469 m
Intercept Depth
392 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00343:392-469
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.71
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.52 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 40.0 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.52 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.52”

Context: FURN-DD-00343

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00343Furnas · goldGrade: 0.26Grade Unit: g/tIntercept: 77 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00343
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.26
Grade Unit
g/t
Intercept
77 m
From
392 m
To
469 m
Intercept Depth
392 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00343:392-469
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.71
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.26 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 20.0 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.26”

Context: FURN-DD-00343

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00343Furnas · silverGrade: 0.83Grade Unit: g/tIntercept: 77 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00343
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.83
Grade Unit
g/t
Intercept
77 m
From
392 m
To
469 m
Intercept Depth
392 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00343:392-469
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.71
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.83 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 63.9 g/t·m is below.

Negative factors

  • 0.83 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.83”

Context: FURN-DD-00343

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.6Grade Unit: %Intercept: 29 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.6
Grade Unit
%
Intercept
29 m
From
400 m
To
429 m
Intercept Depth
400 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:400-429
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.83
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 17.4 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.6 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.60”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.31Grade Unit: g/tIntercept: 29 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.31
Grade Unit
g/t
Intercept
29 m
From
400 m
To
429 m
Intercept Depth
400 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:400-429
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.83
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.31 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 9.0 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.31”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 0.91Grade Unit: g/tIntercept: 29 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.91
Grade Unit
g/t
Intercept
29 m
From
400 m
To
429 m
Intercept Depth
400 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:400-429
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.83
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.91 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 26.4 g/t·m is below.

Negative factors

  • 0.91 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.91”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.6Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.6
Grade Unit
%
Intercept
14 m
From
455 m
To
469 m
Intercept Depth
455 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:455-469
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.86
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 8.4 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.6 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.60”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.35Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.35
Grade Unit
g/t
Intercept
14 m
From
455 m
To
469 m
Intercept Depth
455 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:455-469
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.86
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.35 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 4.9 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.35”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.04Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.04
Grade Unit
g/t
Intercept
14 m
From
455 m
To
469 m
Intercept Depth
455 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:455-469
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.86
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.04 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 14.6 g/t·m is below.

Negative factors

  • 1.04 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.04”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.78Grade Unit: %Intercept: 26 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.78
Grade Unit
%
Intercept
26 m
From
458 m
To
484 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:458-484
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.18
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.78 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 20.3 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.78 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.78”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.42Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.42
Grade Unit
g/t
Intercept
26 m
From
458 m
To
484 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:458-484
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.18
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.42 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 10.9 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.42”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.3Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.3
Grade Unit
g/t
Intercept
26 m
From
458 m
To
484 m
Intercept Depth
458 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:458-484
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.18
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.3 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 33.8 g/t·m is below.

Negative factors

  • 1.3 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.30”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.67Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.67
Grade Unit
%
Intercept
12 m
From
511 m
To
523 m
Intercept Depth
511 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:511-523
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.6
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.67 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 8.0 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.67 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.67”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.65Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.65
Grade Unit
g/t
Intercept
12 m
From
511 m
To
523 m
Intercept Depth
511 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:511-523
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.6
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.65 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 7.8 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.65”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.12Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.12
Grade Unit
g/t
Intercept
12 m
From
511 m
To
523 m
Intercept Depth
511 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:511-523
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.6
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.12 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 25.4 g/t·m is below.

Negative factors

  • 2.12 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.12”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · copperGrade: 2.97Grade Unit: %Intercept: 15 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.97
Grade Unit
%
Intercept
15 m
From
103 m
To
118 m
Intercept Depth
103 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:103-118
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.97 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 44.6 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 2.97 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.97”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · goldGrade: 0Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0
Grade Unit
g/t
Intercept
15 m
From
103 m
To
118 m
Intercept Depth
103 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:103-118
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 0.0 g/t·m is below.

Negative factors

  • 0 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.00”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

AndFurnas · silverGrade: 11.81Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
And
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
11.81
Grade Unit
g/t
Intercept
15 m
From
103 m
To
118 m
Intercept Depth
103 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And:103-118
Mining Method
mixed

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
3.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 11.81 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 177.2 g/t·m is below.

Negative factors

  • 11.81 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“11.81”

Context: And

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00350Furnas · copperGrade: 0.64Grade Unit: %Intercept: 44 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00350
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
%
Intercept
44 m
From
452 m
To
496 m
Intercept Depth
452 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00350:452-496
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 28.2 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.64 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: FURN-DD-00350

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00350Furnas · goldGrade: 0.48Grade Unit: g/tIntercept: 44 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00350
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.48
Grade Unit
g/t
Intercept
44 m
From
452 m
To
496 m
Intercept Depth
452 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00350:452-496
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.48 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 21.1 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.48”

Context: FURN-DD-00350

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00350Furnas · silverGrade: 1.72Grade Unit: g/tIntercept: 44 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00350
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.72
Grade Unit
g/t
Intercept
44 m
From
452 m
To
496 m
Intercept Depth
452 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00350:452-496
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.72 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 75.7 g/t·m is below.

Negative factors

  • 1.72 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.72”

Context: FURN-DD-00350

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.76Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.76
Grade Unit
%
Intercept
24 m
From
462 m
To
486 m
Intercept Depth
462 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:462-486
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.25
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.76 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 18.2 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.76 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.76”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.64Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
g/t
Intercept
24 m
From
462 m
To
486 m
Intercept Depth
462 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:462-486
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.25
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 15.4 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.15Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.15
Grade Unit
g/t
Intercept
24 m
From
462 m
To
486 m
Intercept Depth
462 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:462-486
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.25
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.15 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 51.6 g/t·m is below.

Negative factors

  • 2.15 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.15”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00352Furnas · copperGrade: 0.58Grade Unit: %Intercept: 65 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00352
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.58
Grade Unit
%
Intercept
65 m
From
234 m
To
299 m
Intercept Depth
234 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00352:234-299
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.04
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.58 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 37.7 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.58 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.58”

Context: FURN-DD-00352

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00352Furnas · goldGrade: 0.62Grade Unit: g/tIntercept: 65 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00352
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.62
Grade Unit
g/t
Intercept
65 m
From
234 m
To
299 m
Intercept Depth
234 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00352:234-299
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.04
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.62 g/t gold is moderate against the default band [5, 2, 1, 0.3] g/t. Grade×width 40.3 g/t·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.62”

Context: FURN-DD-00352

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00352Furnas · silverGrade: 0.63Grade Unit: g/tIntercept: 65 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00352
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.63
Grade Unit
g/t
Intercept
65 m
From
234 m
To
299 m
Intercept Depth
234 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00352:234-299
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.04
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.63 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 41.0 g/t·m is below.

Negative factors

  • 0.63 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.63”

Context: FURN-DD-00352

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.73Grade Unit: %Intercept: 40 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.73
Grade Unit
%
Intercept
40 m
From
234 m
To
274 m
Intercept Depth
234 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:234-274
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.14
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.73 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 29.2 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.73 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.73”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.55Grade Unit: g/tIntercept: 40 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.55
Grade Unit
g/t
Intercept
40 m
From
234 m
To
274 m
Intercept Depth
234 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:234-274
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.14
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.55 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 22.0 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.55”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 0.66Grade Unit: g/tIntercept: 40 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.66
Grade Unit
g/t
Intercept
40 m
From
234 m
To
274 m
Intercept Depth
234 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:234-274
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.14
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.66 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 26.4 g/t·m is below.

Negative factors

  • 0.66 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.66”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

And InclFurnas · copperGrade: 1.01Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
And Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.01
Grade Unit
%
Intercept
16 m
From
258 m
To
274 m
Intercept Depth
258 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And Incl:258-274
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.55
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.01 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 16.2 %·m is below (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.01 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.01”

Context: And Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

And InclFurnas · goldGrade: 0.73Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
And Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.73
Grade Unit
g/t
Intercept
16 m
From
258 m
To
274 m
Intercept Depth
258 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And Incl:258-274
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.55
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.73 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 11.7 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.73”

Context: And Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

And InclFurnas · silverGrade: 0.76Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
And Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.76
Grade Unit
g/t
Intercept
16 m
From
258 m
To
274 m
Intercept Depth
258 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
And Incl:258-274
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.55
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.76 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 12.2 g/t·m is below.

Negative factors

  • 0.76 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.76”

Context: And Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00353Furnas · copperGrade: 0.63Grade Unit: %Intercept: 103 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00353
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.63
Grade Unit
%
Intercept
103 m
From
359 m
To
462 m
Intercept Depth
359 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00353:359-462
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 64.9 %·m is moderate (grade alone is strong; the better of the two is used).

Positive factors

  • 0.63 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.63”

Context: FURN-DD-00353

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00353Furnas · goldGrade: 0.37Grade Unit: g/tIntercept: 103 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00353
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.37
Grade Unit
g/t
Intercept
103 m
From
359 m
To
462 m
Intercept Depth
359 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00353:359-462
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.37 g/t gold is moderate against the default band [5, 2, 1, 0.3] g/t. Grade×width 38.1 g/t·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.37”

Context: FURN-DD-00353

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00353Furnas · silverGrade: 1.37Grade Unit: g/tIntercept: 103 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00353
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.37
Grade Unit
g/t
Intercept
103 m
From
359 m
To
462 m
Intercept Depth
359 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00353:359-462
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.37 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 141.1 g/t·m is below.

Negative factors

  • 1.37 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.37”

Context: FURN-DD-00353

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.88Grade Unit: %Intercept: 37 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.88
Grade Unit
%
Intercept
37 m
From
425 m
To
462 m
Intercept Depth
425 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:425-462
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.3
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.88 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 32.6 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.88 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.88”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.55Grade Unit: g/tIntercept: 37 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.55
Grade Unit
g/t
Intercept
37 m
From
425 m
To
462 m
Intercept Depth
425 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:425-462
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.3
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.55 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 20.4 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.55”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 2.36Grade Unit: g/tIntercept: 37 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
2.36
Grade Unit
g/t
Intercept
37 m
From
425 m
To
462 m
Intercept Depth
425 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:425-462
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.3
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 2.36 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 87.3 g/t·m is below.

Negative factors

  • 2.36 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.36”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00356Furnas · copperGrade: 0.44Grade Unit: %Intercept: 68 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00356
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.44
Grade Unit
%
Intercept
68 m
From
506 m
To
574 m
Intercept Depth
506 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00356:506-574
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.44 % copper is moderate against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 29.9 %·m is weak (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.44”

Context: FURN-DD-00356

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00356Furnas · goldGrade: 0.3Grade Unit: g/tIntercept: 68 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00356
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
68 m
From
506 m
To
574 m
Intercept Depth
506 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00356:506-574
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 20.4 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.30”

Context: FURN-DD-00356

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00356Furnas · silverGrade: 1.24Grade Unit: g/tIntercept: 68 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00356
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.24
Grade Unit
g/t
Intercept
68 m
From
506 m
To
574 m
Intercept Depth
506 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00356:506-574
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.67
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.24 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 84.3 g/t·m is below.

Negative factors

  • 1.24 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.24”

Context: FURN-DD-00356

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.75Grade Unit: %Intercept: 19 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.75
Grade Unit
%
Intercept
19 m
From
524 m
To
543 m
Intercept Depth
524 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:524-543
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.2
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.75 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 14.3 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.75 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.75”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.6Grade Unit: g/tIntercept: 19 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.6
Grade Unit
g/t
Intercept
19 m
From
524 m
To
543 m
Intercept Depth
524 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:524-543
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.2
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 11.4 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.60”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.53Grade Unit: g/tIntercept: 19 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.53
Grade Unit
g/t
Intercept
19 m
From
524 m
To
543 m
Intercept Depth
524 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:524-543
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.2
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.53 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 29.1 g/t·m is below.

Negative factors

  • 1.53 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.53”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00359Furnas · copperGrade: 0.54Grade Unit: %Intercept: 82 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00359
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.54
Grade Unit
%
Intercept
82 m
From
85 m
To
167 m
Intercept Depth
85 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00359:85-167
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.85
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.54 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 44.3 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.54 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.54”

Context: FURN-DD-00359

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00359Furnas · goldGrade: 0.41Grade Unit: g/tIntercept: 82 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00359
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.41
Grade Unit
g/t
Intercept
82 m
From
85 m
To
167 m
Intercept Depth
85 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00359:85-167
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.85
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.41 g/t gold is moderate against the default band [5, 2, 1, 0.3] g/t. Grade×width 33.6 g/t·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.41”

Context: FURN-DD-00359

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00359Furnas · silverGrade: 1.43Grade Unit: g/tIntercept: 82 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00359
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.43
Grade Unit
g/t
Intercept
82 m
From
85 m
To
167 m
Intercept Depth
85 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00359:85-167
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.85
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.43 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 117.3 g/t·m is below.

Negative factors

  • 1.43 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.43”

Context: FURN-DD-00359

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · copperGrade: 0.64Grade Unit: %Intercept: 38 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.64
Grade Unit
%
Intercept
38 m
From
129 m
To
167 m
Intercept Depth
129 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:129-167
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.64 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 24.3 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.64 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.64”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · goldGrade: 0.54Grade Unit: g/tIntercept: 38 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.54
Grade Unit
g/t
Intercept
38 m
From
129 m
To
167 m
Intercept Depth
129 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:129-167
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.54 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 20.5 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.54”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

InclFurnas · silverGrade: 1.72Grade Unit: g/tIntercept: 38 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.72
Grade Unit
g/t
Intercept
38 m
From
129 m
To
167 m
Intercept Depth
129 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Incl:129-167
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.05
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.72 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 65.4 g/t·m is below.

Negative factors

  • 1.72 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.72”

Context: Incl

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00365Furnas · copperGrade: 0.53Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00365
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.53
Grade Unit
%
Intercept
24 m
From
237 m
To
261 m
Intercept Depth
237 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00365:237-261
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.53 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 12.7 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.53 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.53”

Context: FURN-DD-00365

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00365Furnas · goldGrade: 0.36Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00365
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.36
Grade Unit
g/t
Intercept
24 m
From
237 m
To
261 m
Intercept Depth
237 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00365:237-261
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.36 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 8.6 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.36”

Context: FURN-DD-00365

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00365Furnas · silverGrade: 0.66Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00365
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.66
Grade Unit
g/t
Intercept
24 m
From
237 m
To
261 m
Intercept Depth
237 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00365:237-261
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.66 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 15.8 g/t·m is below.

Negative factors

  • 0.66 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.66”

Context: FURN-DD-00365

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00371Furnas · copperGrade: 0.69Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00371
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.69
Grade Unit
%
Intercept
27 m
From
169 m
To
196 m
Intercept Depth
169 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00371:169-196
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.69 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 18.6 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.69 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.69”

Context: FURN-DD-00371

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00371Furnas · goldGrade: 0.41Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00371
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.41
Grade Unit
g/t
Intercept
27 m
From
169 m
To
196 m
Intercept Depth
169 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00371:169-196
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.41 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 11.1 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.41”

Context: FURN-DD-00371

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00371Furnas · silverGrade: 0.7Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00371
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.7
Grade Unit
g/t
Intercept
27 m
From
169 m
To
196 m
Intercept Depth
169 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00371:169-196
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.7 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 18.9 g/t·m is below.

Negative factors

  • 0.7 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.70”

Context: FURN-DD-00371

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00375Furnas · copperGrade: 0.51Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00375
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.51
Grade Unit
%
Intercept
16 m
From
209 m
To
225 m
Intercept Depth
209 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00375:209-225
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.75
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.51 % copper is strong against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 8.2 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.51 % copper is strong on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.51”

Context: FURN-DD-00375

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00375Furnas · goldGrade: 0.31Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00375
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.31
Grade Unit
g/t
Intercept
16 m
From
209 m
To
225 m
Intercept Depth
209 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00375:209-225
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.75
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.31 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 5.0 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.31”

Context: FURN-DD-00375

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00375Furnas · silverGrade: 0.77Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00375
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.77
Grade Unit
g/t
Intercept
16 m
From
209 m
To
225 m
Intercept Depth
209 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00375:209-225
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
0.75
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.77 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 12.3 g/t·m is below.

Negative factors

  • 0.77 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.77”

Context: FURN-DD-00375

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00384Furnas · copperGrade: 1.67Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00384
Project
Furnas
Commodity
copper
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.67
Grade Unit
%
Intercept
14 m
From
240 m
To
254 m
Intercept Depth
240 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00384:240-254
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.67 % copper is exceptional against the iocg deposit band [0.9, 0.5, 0.3, 0.2] %. Grade×width 23.4 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1.67 % copper is exceptional on the iocg deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.67”

Context: FURN-DD-00384

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00384Furnas · goldGrade: 0.31Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00384
Project
Furnas
Commodity
gold
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
0.31
Grade Unit
g/t
Intercept
14 m
From
240 m
To
254 m
Intercept Depth
240 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00384:240-254
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 0.31 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 4.3 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.31”

Context: FURN-DD-00384

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

FURN-DD-00384Furnas · silverGrade: 1.61Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
FURN-DD-00384
Project
Furnas
Commodity
silver
Region
brazil
Reported Region
brazil
Ticker
ERO

Geometry

Grade
1.61
Grade Unit
g/t
Intercept
14 m
From
240 m
To
254 m
Intercept Depth
240 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
FURN-DD-00384:240-254
Mining Method
mixed

Location

Location
SOUTHEAST ZONE
Loc. Source
document

QA/QC

Laboratory
ALS Peru S.A.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
1.91
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-10T00:00:00.000Z

Reasoning: Expanded from assay table. 1.61 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 22.5 g/t·m is below.

Negative factors

  • 1.61 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.61”

Context: FURN-DD-00384

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "WORK PROGRAM HIGHLIGHTS Drilling continues to demonstrate high-grade continuity within the NW and SE zones and extend mi"

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.