Pampa Medina Continues to Deliver Extraordinary Cu-Ag Grade-Widths - Drilling Intersects 216m of 1.0% Cu and 7.2g/t Ag Including 62m of 2.2% Cu and 21.5g/t Ag from SPRD-15

Original announcement by tmx on

Company
Marimaca Copper Corp.
Ticker
MARI
Exchange
TSX
Region
Chile's Antofagasta Region
Primary commodity
Copper
Secondary commodities
Silver
Document categories
Drill results
Extracted
2026-09-14 10:24:00 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Marimaca Copper Corp. reported extraordinary copper-silver drill results from its Pampa Medina deposit in Chile, highlighted by hole SPRD-15 intersecting 216m of 0.96% Cu and 7.2g/t Ag, including 62m of 2.20% Cu and 21.5g/t Ag. Step-out drilling successfully extended the mineralized sedimentary horizon, confirming strong lateral and vertical continuity of the high-grade manto system. The company plans further exploration work, including geophysical surveys and additional drilling, to test extensions of the system.

Reasoning: Marimaca Copper's drilling at Pampa Medina delivered exceptional copper grade-width products, including a bonanza intercept of 216m at 0.96% Cu and 7.2g/t Ag, with a high-grade core of 62m at 2.20% Cu and 21.5g/t Ag. These results extend mineralization and confirm strong continuity within the manto-style deposit. True widths are estimated, and comprehensive QA/QC procedures were disclosed, enhancing confidence. However, no cut-off grade was used for reporting, and metal equivalent assumptions were not provided.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • Step-Out Extension
  • QA/QC Disclosed
  • Continuity

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

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

Facts used in scoring: 103

Extracted facts

Stored fact records: 103. Some facts used in scoring do not have a stored record.

Drill Results (103)

SPRD-15Pampa Medina · copperGrade: 0.57Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.57
Grade Unit
%
Intercept
4 m
True Width
3.2 m
From
348 m
To
352 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:348-352
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A narrow, low-grade copper intercept, but part of a broader drilling program with disclosed true width and QA/QC. The grade is weak for a manto-style deposit.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.57”

Context: 4

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 4 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
4 m
True Width
3.2 m
From
348 m
To
352 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:348-352
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 4

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 0.96Grade Unit: %Intercept: 216 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.96
Grade Unit
%
Intercept
216 m
True Width
172.8 m
From
466 m
To
682 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:466-682
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: An exceptional copper intercept with a high grade-width product (207.36 %*m) over a significant length, indicating strong mineralization continuity. This is a highly material result for the project.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • Continuity
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.96”

Context: 216

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 172.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 7.2Grade Unit: g/tIntercept: 216 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
7.2
Grade Unit
g/t
Intercept
216 m
True Width
172.8 m
From
466 m
To
682 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:466-682
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a weak grade, but contributing to the overall polymetallic nature of the mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • Continuity
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“7.2”

Context: 216

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 172.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 0.63Grade Unit: %Intercept: 102 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.63
Grade Unit
%
Intercept
102 m
True Width
81.6 m
From
466 m
To
568 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:466-568
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long copper intercept with a moderate grade, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.63”

Context: 102

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 81.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 2.1Grade Unit: g/tIntercept: 102 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.1
Grade Unit
g/t
Intercept
102 m
True Width
81.6 m
From
466 m
To
568 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:466-568
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.1”

Context: 102

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 81.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 0.76Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.76
Grade Unit
%
Intercept
24 m
True Width
19.2 m
From
466 m
To
490 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:466-490
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.76”

Context: 24

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 19.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 3.8Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.8
Grade Unit
g/t
Intercept
24 m
True Width
19.2 m
From
466 m
To
490 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:466-490
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“3.8”

Context: 24

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 19.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 0.96Grade Unit: %Intercept: 40 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.96
Grade Unit
%
Intercept
40 m
True Width
32 m
From
504 m
To
544 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:504-544
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.96”

Context: 40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 2.9Grade Unit: g/tIntercept: 40 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.9
Grade Unit
g/t
Intercept
40 m
True Width
32 m
From
504 m
To
544 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:504-544
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.9”

Context: 40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 1.25Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.25
Grade Unit
%
Intercept
20 m
True Width
16 m
From
504 m
To
524 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:504-524
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.25”

Context: 20

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 16

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 5.3Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
5.3
Grade Unit
g/t
Intercept
20 m
True Width
16 m
From
504 m
To
524 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:504-524
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“5.3”

Context: 20

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 16

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 2Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2
Grade Unit
%
Intercept
6 m
True Width
4.8 m
From
506 m
To
512 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:506-512
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A high-grade copper intercept over a moderate width, indicating a bonanza zone within the broader mineralization. The grade-width product is strong.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.00”

Context: 6

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 12Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
12
Grade Unit
g/t
Intercept
6 m
True Width
4.8 m
From
506 m
To
512 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:506-512
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“12.0”

Context: 6

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 1.09Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.09
Grade Unit
%
Intercept
10 m
True Width
8 m
From
534 m
To
544 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:534-544
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a moderate width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.09”

Context: 10

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 0.8Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.8
Grade Unit
g/t
Intercept
10 m
True Width
8 m
From
534 m
To
544 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:534-544
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.8”

Context: 10

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 1.72Grade Unit: %Intercept: 82 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.72
Grade Unit
%
Intercept
82 m
True Width
65.6 m
From
600 m
To
682 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:600-682
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A high-grade copper intercept over a significant width, indicating a bonanza zone within the broader mineralization. The grade-width product is exceptional.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.72”

Context: 82

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 65.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 16.3Grade Unit: g/tIntercept: 82 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
16.3
Grade Unit
g/t
Intercept
82 m
True Width
65.6 m
From
600 m
To
682 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:600-682
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“16.3”

Context: 82

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 65.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 2.2Grade Unit: %Intercept: 62 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.2
Grade Unit
%
Intercept
62 m
True Width
49.6 m
From
602 m
To
664 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:602-664
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: An exceptional copper intercept with a high grade-width product (136.4 %*m) over a significant length, indicating a bonanza zone within the broader mineralization. This is a highly material result for the project.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.20”

Context: 62

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 49.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 21.5Grade Unit: g/tIntercept: 62 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
21.5
Grade Unit
g/t
Intercept
62 m
True Width
49.6 m
From
602 m
To
664 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:602-664
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a weak grade, but contributing to the overall polymetallic nature of the mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“21.5”

Context: 62

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 49.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 2.42Grade Unit: %Intercept: 50 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.42
Grade Unit
%
Intercept
50 m
True Width
40 m
From
606 m
To
656 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:606-656
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: An exceptional copper intercept with a high grade-width product (121 %*m) over a significant length, indicating a bonanza zone within the broader mineralization. This is a highly material result for the project.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.42”

Context: 50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 40

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 24Grade Unit: g/tIntercept: 50 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
24
Grade Unit
g/t
Intercept
50 m
True Width
40 m
From
606 m
To
656 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:606-656
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a weak grade, but contributing to the overall polymetallic nature of the mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“24.0”

Context: 50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 40

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 3.05Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.05
Grade Unit
%
Intercept
14 m
True Width
11.2 m
From
606 m
To
620 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:606-620
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: An exceptional copper intercept with a high grade-width product (42.7 %*m) over a good length, indicating a bonanza zone within the broader mineralization. This is a highly material result for the project.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“3.05”

Context: 14

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 11.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 26.7Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
26.7
Grade Unit
g/t
Intercept
14 m
True Width
11.2 m
From
606 m
To
620 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:606-620
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a weak grade, but contributing to the overall polymetallic nature of the mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“26.7”

Context: 14

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 11.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · copperGrade: 3.25Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.25
Grade Unit
%
Intercept
12 m
True Width
9.6 m
From
632 m
To
644 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:632-644
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: An exceptional copper intercept with a high grade-width product (39 %*m) over a good length, indicating a bonanza zone within the broader mineralization. This is a highly material result for the project.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“3.25”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-15Pampa Medina · silverGrade: 36.7Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPRD-15
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
36.7
Grade Unit
g/t
Intercept
12 m
True Width
9.6 m
From
632 m
To
644 m
Hole Depth
918 m
Intercept Depth
348 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-15:632-644
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.82
Northing
7440949.96
CRS
WGS84 UTM
Elevation
1278.28 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a weak grade, but contributing to the overall polymetallic nature of the mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“36.7”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.67Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.67
Grade Unit
%
Intercept
8 m
True Width
6.4 m
From
386 m
To
394 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:386-394
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.67”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
8 m
True Width
6.4 m
From
386 m
To
394 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:386-394
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.57Grade Unit: %Intercept: 124 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.57
Grade Unit
%
Intercept
124 m
True Width
99.2 m
From
504 m
To
628 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:504-628
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long copper intercept with a moderate grade, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.57”

Context: 124

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 99.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 1.2Grade Unit: g/tIntercept: 124 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.2
Grade Unit
g/t
Intercept
124 m
True Width
99.2 m
From
504 m
To
628 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:504-628
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.2”

Context: 124

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 99.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.65Grade Unit: %Intercept: 104 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.65
Grade Unit
%
Intercept
104 m
True Width
83.2 m
From
522 m
To
626 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:522-626
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long copper intercept with a moderate grade, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.65”

Context: 104

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 83.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 1.4Grade Unit: g/tIntercept: 104 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.4
Grade Unit
g/t
Intercept
104 m
True Width
83.2 m
From
522 m
To
626 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:522-626
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.4”

Context: 104

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 83.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.96Grade Unit: %Intercept: 30 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.96
Grade Unit
%
Intercept
30 m
True Width
24 m
From
522 m
To
552 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:522-552
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.96”

Context: 30

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 24

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 1.8Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.8
Grade Unit
g/t
Intercept
30 m
True Width
24 m
From
522 m
To
552 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:522-552
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.8”

Context: 30

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 24

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 1.28Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.28
Grade Unit
%
Intercept
20 m
True Width
16 m
From
524 m
To
544 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:524-544
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.28”

Context: 20

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 16

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 2.3Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.3
Grade Unit
g/t
Intercept
20 m
True Width
16 m
From
524 m
To
544 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:524-544
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.3”

Context: 20

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 16

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.89Grade Unit: %Intercept: 40 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.89
Grade Unit
%
Intercept
40 m
True Width
32 m
From
586 m
To
626 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:586-626
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.89”

Context: 40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 2Grade Unit: g/tIntercept: 40 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2
Grade Unit
g/t
Intercept
40 m
True Width
32 m
From
586 m
To
626 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:586-626
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.0”

Context: 40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 1.36Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.36
Grade Unit
%
Intercept
14 m
True Width
11.2 m
From
586 m
To
600 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:586-600
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.36”

Context: 14

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 11.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 4Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
4
Grade Unit
g/t
Intercept
14 m
True Width
11.2 m
From
586 m
To
600 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:586-600
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“4.0”

Context: 14

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 11.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.32Grade Unit: %Intercept: 118 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.32
Grade Unit
%
Intercept
118 m
True Width
94.4 m
From
734 m
To
852 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:734-852
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long copper intercept with a weak grade, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.32”

Context: 118

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 118 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
118 m
True Width
94.4 m
From
734 m
To
852 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:734-852
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 118

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.45Grade Unit: %Intercept: 54 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.45
Grade Unit
%
Intercept
54 m
True Width
43.2 m
From
798 m
To
852 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:798-852
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long copper intercept with a weak grade, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.45”

Context: 54

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 43.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 54 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
54 m
True Width
43.2 m
From
798 m
To
852 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:798-852
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 54

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 43.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.67Grade Unit: %Intercept: 28 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.67
Grade Unit
%
Intercept
28 m
True Width
22.4 m
From
816 m
To
844 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:816-844
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.67”

Context: 28

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 22.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 28 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
28 m
True Width
22.4 m
From
816 m
To
844 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:816-844
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 28

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 22.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · copperGrade: 0.97Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.97
Grade Unit
%
Intercept
8 m
True Width
6.4 m
From
828 m
To
836 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:828-836
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.97”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-17Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-17
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
8 m
True Width
6.4 m
From
828 m
To
836 m
Hole Depth
868 m
Intercept Depth
386 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-17:828-836
Mining Method
unknown

Location

Location
Central Zone
Easting
406646.99
Northing
7440799.97
CRS
WGS84 UTM
Elevation
1277.86 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 0.45Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.45
Grade Unit
%
Intercept
24 m
True Width
19.2 m
From
674 m
To
698 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:674-698
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A weak-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.45”

Context: 24

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 19.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 2.1Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.1
Grade Unit
g/t
Intercept
24 m
True Width
19.2 m
From
674 m
To
698 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:674-698
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.1”

Context: 24

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 19.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 0.64Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.64
Grade Unit
%
Intercept
6 m
True Width
4.8 m
From
674 m
To
680 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:674-680
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.64”

Context: 6

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 3.3Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.3
Grade Unit
g/t
Intercept
6 m
True Width
4.8 m
From
674 m
To
680 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:674-680
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“3.3”

Context: 6

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 0.98Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.98
Grade Unit
%
Intercept
6 m
True Width
4.8 m
From
692 m
To
698 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:692-698
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.98”

Context: 6

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 5Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
5
Grade Unit
g/t
Intercept
6 m
True Width
4.8 m
From
692 m
To
698 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:692-698
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“5.0”

Context: 6

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 0.95Grade Unit: %Intercept: 56 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.95
Grade Unit
%
Intercept
56 m
True Width
44.8 m
From
748 m
To
804 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:748-804
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a significant width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.95”

Context: 56

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 44.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 4.2Grade Unit: g/tIntercept: 56 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
4.2
Grade Unit
g/t
Intercept
56 m
True Width
44.8 m
From
748 m
To
804 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:748-804
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“4.2”

Context: 56

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 44.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 1.8Grade Unit: %Intercept: 22 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.8
Grade Unit
%
Intercept
22 m
True Width
17.6 m
From
750 m
To
772 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:750-772
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A high-grade copper intercept over a good width, indicating a bonanza zone within the broader mineralization. The grade-width product is strong.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.80”

Context: 22

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 17.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 9.7Grade Unit: g/tIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
9.7
Grade Unit
g/t
Intercept
22 m
True Width
17.6 m
From
750 m
To
772 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:750-772
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“9.7”

Context: 22

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 17.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 2.42Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.42
Grade Unit
%
Intercept
8 m
True Width
6.4 m
From
750 m
To
758 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:750-758
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: An exceptional copper intercept with a high grade-width product (19.36 %*m) over a narrow length, indicating a bonanza zone within the broader mineralization. This is a highly material result for the project.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.42”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 9Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
9
Grade Unit
g/t
Intercept
8 m
True Width
6.4 m
From
750 m
To
758 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:750-758
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“9.0”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 1.2Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.2
Grade Unit
%
Intercept
8 m
True Width
6.4 m
From
796 m
To
804 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:796-804
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.20”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 2.8Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.8
Grade Unit
g/t
Intercept
8 m
True Width
6.4 m
From
796 m
To
804 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:796-804
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.8”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · copperGrade: 0.41Grade Unit: %Intercept: 18 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.41
Grade Unit
%
Intercept
18 m
True Width
14.4 m
From
874 m
To
892 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:874-892
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A weak-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.41”

Context: 18

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 14.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-12Pampa Medina · silverGrade: 0.7Grade Unit: g/tIntercept: 18 mView all details
Link to this fact

Identity

Hole ID
SPRD-12
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.7
Grade Unit
g/t
Intercept
18 m
True Width
14.4 m
From
874 m
To
892 m
Hole Depth
960 m
Intercept Depth
674 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-12:874-892
Mining Method
unknown

Location

Location
Central Zone
Easting
406201.16
Northing
7440651.24
CRS
WGS84 UTM
Elevation
1288 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.7”

Context: 18

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 14.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · copperGrade: 0.36Grade Unit: %Intercept: 68 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.36
Grade Unit
%
Intercept
68 m
True Width
54.4 m
From
204 m
To
272 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:204-272
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long copper intercept with a weak grade, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.36”

Context: 68

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 54.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · silverGrade: 2.3Grade Unit: g/tIntercept: 68 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.3
Grade Unit
g/t
Intercept
68 m
True Width
54.4 m
From
204 m
To
272 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:204-272
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.3”

Context: 68

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 54.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · copperGrade: 0.61Grade Unit: %Intercept: 30 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.61
Grade Unit
%
Intercept
30 m
True Width
24 m
From
238 m
To
268 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:238-268
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.61”

Context: 30

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 24

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · silverGrade: 4.2Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
4.2
Grade Unit
g/t
Intercept
30 m
True Width
24 m
From
238 m
To
268 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:238-268
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“4.2”

Context: 30

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 24

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · copperGrade: 1.1Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.1
Grade Unit
%
Intercept
8 m
True Width
6.4 m
From
238 m
To
246 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:238-246
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.10”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · silverGrade: 7Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
7
Grade Unit
g/t
Intercept
8 m
True Width
6.4 m
From
238 m
To
246 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:238-246
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“7.0”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · copperGrade: 0.74Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.74
Grade Unit
%
Intercept
10 m
True Width
8 m
From
258 m
To
268 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:258-268
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a moderate width, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.74”

Context: 10

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · silverGrade: 7Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
7
Grade Unit
g/t
Intercept
10 m
True Width
8 m
From
258 m
To
268 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:258-268
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“7.0”

Context: 10

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · copperGrade: 0.66Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.66
Grade Unit
%
Intercept
16 m
True Width
12.8 m
From
698 m
To
714 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:698-714
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.66”

Context: 16

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 12.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · silverGrade: 3.9Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.9
Grade Unit
g/t
Intercept
16 m
True Width
12.8 m
From
698 m
To
714 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:698-714
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“3.9”

Context: 16

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 12.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · copperGrade: 1.16Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.16
Grade Unit
%
Intercept
8 m
True Width
6.4 m
From
704 m
To
712 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:704-712
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.16”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-14Pampa Medina · silverGrade: 7.8Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-14
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
7.8
Grade Unit
g/t
Intercept
8 m
True Width
6.4 m
From
704 m
To
712 m
Hole Depth
764.1 m
Intercept Depth
204 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-14:704-712
Mining Method
unknown

Location

Location
Central Zone
Easting
406647.32
Northing
7441100.01
CRS
WGS84 UTM
Elevation
1279.04 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“7.8”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-16APampa Medina · copperGrade: 0.77Grade Unit: %Intercept: 36 mView all details
Link to this fact

Identity

Hole ID
SPRD-16A
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.77
Grade Unit
%
Intercept
36 m
True Width
28.8 m
From
184 m
To
220 m
Hole Depth
868 m
Intercept Depth
184 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-16A:184-220
Mining Method
unknown

Location

Location
Central Zone
Easting
406950.14
Northing
7440949.94
CRS
WGS84 UTM
Elevation
1271.77 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.77”

Context: 36

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 28.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-16APampa Medina · silverGrade: 1.1Grade Unit: g/tIntercept: 36 mView all details
Link to this fact

Identity

Hole ID
SPRD-16A
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.1
Grade Unit
g/t
Intercept
36 m
True Width
28.8 m
From
184 m
To
220 m
Hole Depth
868 m
Intercept Depth
184 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-16A:184-220
Mining Method
unknown

Location

Location
Central Zone
Easting
406950.14
Northing
7440949.94
CRS
WGS84 UTM
Elevation
1271.77 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.1”

Context: 36

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 28.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-16APampa Medina · copperGrade: 0.94Grade Unit: %Intercept: 26 mView all details
Link to this fact

Identity

Hole ID
SPRD-16A
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.94
Grade Unit
%
Intercept
26 m
True Width
20.8 m
From
190 m
To
216 m
Hole Depth
868 m
Intercept Depth
184 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-16A:190-216
Mining Method
unknown

Location

Location
Central Zone
Easting
406950.14
Northing
7440949.94
CRS
WGS84 UTM
Elevation
1271.77 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.94”

Context: 26

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-16APampa Medina · silverGrade: 1.5Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
SPRD-16A
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.5
Grade Unit
g/t
Intercept
26 m
True Width
20.8 m
From
190 m
To
216 m
Hole Depth
868 m
Intercept Depth
184 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-16A:190-216
Mining Method
unknown

Location

Location
Central Zone
Easting
406950.14
Northing
7440949.94
CRS
WGS84 UTM
Elevation
1271.77 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.5”

Context: 26

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-16APampa Medina · copperGrade: 1.58Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPRD-16A
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.58
Grade Unit
%
Intercept
12 m
True Width
9.6 m
From
204 m
To
216 m
Hole Depth
868 m
Intercept Depth
184 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-16A:204-216
Mining Method
unknown

Location

Location
Central Zone
Easting
406950.14
Northing
7440949.94
CRS
WGS84 UTM
Elevation
1271.77 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a moderate width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.58”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-16APampa Medina · silverGrade: 3.2Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPRD-16A
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.2
Grade Unit
g/t
Intercept
12 m
True Width
9.6 m
From
204 m
To
216 m
Hole Depth
868 m
Intercept Depth
184 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-16A:204-216
Mining Method
unknown

Location

Location
Central Zone
Easting
406950.14
Northing
7440949.94
CRS
WGS84 UTM
Elevation
1271.77 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“3.2”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · copperGrade: 0.5Grade Unit: %Intercept: 222 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.5
Grade Unit
%
Intercept
222 m
True Width
177.6 m
From
194 m
To
416 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:194-416
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A very long copper intercept with a moderate grade, representing a significant extension to the mineralization. The grade-width product is exceptional.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.50”

Context: 222

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 177.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 222 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
222 m
True Width
177.6 m
From
194 m
To
416 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:194-416
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 222

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 177.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · copperGrade: 1.01Grade Unit: %Intercept: 18 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.01
Grade Unit
%
Intercept
18 m
True Width
14.4 m
From
246 m
To
264 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:246-264
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.01”

Context: 18

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 14.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 18 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
18 m
True Width
14.4 m
From
246 m
To
264 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:246-264
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 18

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 14.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · copperGrade: 1.07Grade Unit: %Intercept: 28 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.07
Grade Unit
%
Intercept
28 m
True Width
22.4 m
From
322 m
To
350 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:322-350
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.07”

Context: 28

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 22.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 28 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
28 m
True Width
22.4 m
From
322 m
To
350 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:322-350
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 28

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 22.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · copperGrade: 1.9Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.9
Grade Unit
%
Intercept
12 m
True Width
9.6 m
From
338 m
To
350 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:338-350
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A high-grade copper intercept over a moderate width, indicating a bonanza zone within the broader mineralization. The grade-width product is strong.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.90”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
12 m
True Width
9.6 m
From
338 m
To
350 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:338-350
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · copperGrade: 1.05Grade Unit: %Intercept: 48 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.05
Grade Unit
%
Intercept
48 m
True Width
38.4 m
From
368 m
To
416 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:368-416
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a significant width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.05”

Context: 48

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 38.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 48 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
48 m
True Width
38.4 m
From
368 m
To
416 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:368-416
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 48

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 38.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · copperGrade: 1.99Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.99
Grade Unit
%
Intercept
12 m
True Width
9.6 m
From
404 m
To
416 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:404-416
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A high-grade copper intercept over a moderate width, indicating a bonanza zone within the broader mineralization. The grade-width product is strong.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.99”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPD-13Pampa Medina · silverGrade: 0Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPD-13
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0
Grade Unit
g/t
Intercept
12 m
True Width
9.6 m
From
404 m
To
416 m
Hole Depth
590 m
Intercept Depth
194 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPD-13:404-416
Mining Method
unknown

Location

Location
Central Zone
Easting
407002.02
Northing
7440348.7
CRS
WGS84 UTM
Elevation
1269.67 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: Silver grade is below detection limit, assigned a value of zero. This intercept is not material for silver.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque
  • Silver Below Detection Limit

Evidence · table

“Below Detection”

Context: 12

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.6

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · copperGrade: 0.37Grade Unit: %Intercept: 254 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.37
Grade Unit
%
Intercept
254 m
True Width
203.2 m
From
538 m
To
792 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:538-792
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A very long copper intercept with a weak grade, representing a significant extension to the mineralization. The grade-width product is exceptional.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.37”

Context: 254

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 203.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · silverGrade: 1.6Grade Unit: g/tIntercept: 254 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.6
Grade Unit
g/t
Intercept
254 m
True Width
203.2 m
From
538 m
To
792 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:538-792
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A very long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“1.6”

Context: 254

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 203.2

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · copperGrade: 0.34Grade Unit: %Intercept: 26 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.34
Grade Unit
%
Intercept
26 m
True Width
20.8 m
From
538 m
To
564 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:538-564
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A weak-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is moderate.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.34”

Context: 26

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · silverGrade: 0.7Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.7
Grade Unit
g/t
Intercept
26 m
True Width
20.8 m
From
538 m
To
564 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:538-564
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.7”

Context: 26

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · copperGrade: 0.6Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.6
Grade Unit
%
Intercept
8 m
True Width
6.4 m
From
538 m
To
546 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:538-546
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a narrow width, contributing to the overall mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.60”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · silverGrade: 2.3Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.3
Grade Unit
g/t
Intercept
8 m
True Width
6.4 m
From
538 m
To
546 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:538-546
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“2.3”

Context: 8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · copperGrade: 0.71Grade Unit: %Intercept: 48 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.71
Grade Unit
%
Intercept
48 m
True Width
38.4 m
From
594 m
To
642 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:594-642
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A moderate-grade copper intercept over a significant width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.71”

Context: 48

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 38.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · silverGrade: 3.8Grade Unit: g/tIntercept: 48 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.8
Grade Unit
g/t
Intercept
48 m
True Width
38.4 m
From
594 m
To
642 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:594-642
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A long silver intercept with a very weak grade, contributing to the overall polymetallic nature of the mineralization.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“3.8”

Context: 48

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 38.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

SPRD-10Pampa Medina · copperGrade: 0.88Grade Unit: %Intercept: 28 mView all details
Link to this fact

Identity

Hole ID
SPRD-10
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.88
Grade Unit
%
Intercept
28 m
True Width
22.4 m
From
594 m
To
622 m
Hole Depth
850 m
Intercept Depth
538 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
SPRD-10:594-622
Mining Method
unknown

Location

Location
Central Zone
Easting
406399.78
Northing
7440354.96
CRS
WGS84 UTM
Elevation
1281.35 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-08T00:00:00.000Z

Reasoning: A strong-grade copper intercept over a good width, contributing to the overall mineralization. The grade-width product is strong.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • Step-Out Extension

Negative factors

  • Cut-off Undisclosed
  • Metal Equivalent Opaque

Evidence · table

“0.88”

Context: 28

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 22.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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: "Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos across the "

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.