Hercules Metals Intersects 670 m of 0.45% Copper, 4 g/t Ag and 95 ppm Mo, including 213 m of 0.67% Copper, 10 g/t Ag, 128 ppm Mo at the Leviathan Porphyry System in Idaho

Original announcement by tmx on

Company
Hercules Metals Corp.
Ticker
BIG
Exchange
TSX
Region
Idaho
Primary commodity
Copper
Secondary commodities
Silver, Molybdenum, Lead, Zinc
Document categories
Drill results
Extracted
2026-09-13 14:43:04 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Hercules Metals announced significant drill results from its Leviathan porphyry copper system in Idaho, highlighted by hole HER-25-18 intersecting 670.44 metres grading 0.45% copper, 4.0 g/t silver, and 95 ppm molybdenum, representing the longest interval to date. This 200-metre step-out hole demonstrates strong continuity of mineralization and expands the known footprint of the system. The company also reported distal silver-lead-zinc mineralization from reconnaissance drilling, indicating further exploration potential.

Reasoning: Hercules Metals reported exceptional drill results from its Leviathan porphyry system, including the longest mineralized interval to date (670.44 m of 0.45% Cu) from a 200m step-out hole, demonstrating significant scale and continuity. The results are consistent with a porphyry model and supported by robust QA/QC, though true widths and metal equivalent assumptions are not disclosed.

Positive factors

  • Longest interval to date
  • Exceptional copper grade-width product (301.7 %·m)
  • Strong copper grades for porphyry deposit type
  • Significant step-out extension (200m)
  • Demonstrates strong continuity of mineralization
  • Consistent with evolving porphyry model
  • QA/QC procedures disclosed
  • Certified laboratory used
  • Qualified Person sign-off

Negative factors

  • True width not stated for intercepts
  • Metal equivalent assumptions not disclosed
  • Cut-off grade for compositing not disclosed

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

Facts used in scoring: 76

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: HER-25-18 was drilled as a 200 metre step-out to the southwest of previously reported hole HER-25-15 and now demonstrates strong continuity of copper mineralization.

Evidence · text

“HER-25-18 was drilled as a 200 metre step-out to the southwest of previously reported hole HER-25-15 and now demonstrates strong continuity of copper mineralization across the rapidly growing footprint of the Leviathan system.”

QA/QC Disclosedpositive

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

Why it applies: The release details sample preparation, assay methods, and the insertion of blind certified reference materials (CRMs) and blank samples.

Evidence · text

“Blind certified reference materials (CRMs) and blank samples were systematically inserted by the Company into the sample stream and analyzed as part of the Company's quality assurance/quality control protocol.”

True Width Disclosedpositive

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

Why it applies: The document explicitly states that insufficient data are available to state the true thickness of the mineralized intervals.

Evidence · text

“The intervals reported represent drill intercepts and insufficient data are available at this time to state the true thickness of the mineralized intervals.”

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: AgEq is reported in Table 2, but the underlying price, recovery, or payability assumptions are not disclosed.

Evidence · table

“AgEq (g/t)”

Context: Ag (g/t)

Cut-off Undisclosednegative

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

Why it applies: The document does not state the cut-off grade used for compositing the reported high-grade intervals.

Evidence · text

“The intervals reported represent drill intercepts and insufficient data are available at this time to state the true thickness of the mineralized intervals.”

Extracted facts

Stored fact records: 76. Some facts used in scoring do not have a stored record.

Drill Results (76)

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · copperGrade: 0.45Grade Unit: %Intercept: 670.44 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.45
Grade Unit
%
Intercept
670.44 m
From
172.21 m
To
842.65 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:172.21-842.65
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This intercept represents the longest mineralized interval to date, with a strong copper grade and exceptional grade-width product for a porphyry system, significantly extending the known mineralization.

Positive factors

  • Exceptional copper grade-width product (301.7 %·m)
  • Strong copper grade (0.45%) for porphyry deposit type
  • Continuous interval width (670.44 m)
  • Longest interval to date
  • Significant step-out extension (200m)
  • Demonstrates strong continuity of mineralization

Negative factors

  • True width not stated

Evidence · table

“0.45”

Context: 670.44

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · molybdenumGrade: 95Grade Unit: ppmIntercept: 670.44 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
95
Grade Unit
ppm
Intercept
670.44 m
From
172.21 m
To
842.65 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:172.21-842.65
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is a significant byproduct in this long intercept, contributing to the overall value of the porphyry system.

Positive factors

  • Longest interval to date
  • Significant step-out extension (200m)
  • Demonstrates strong continuity of mineralization

Negative factors

  • True width not stated

Evidence · table

“95”

Context: 670.44

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · silverGrade: 4Grade Unit: g/tIntercept: 670.44 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
4
Grade Unit
g/t
Intercept
670.44 m
From
172.21 m
To
842.65 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:172.21-842.65
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver is a byproduct in this long intercept, adding to the overall economic potential of the porphyry system.

Positive factors

  • Longest interval to date
  • Significant step-out extension (200m)
  • Demonstrates strong continuity of mineralization

Negative factors

  • True width not stated

Evidence · table

“4.0”

Context: 670.44

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · copperGrade: 0.67Grade Unit: %Intercept: 212.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.67
Grade Unit
%
Intercept
212.81 m
From
188 m
To
400.81 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:188-400.81
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This high-grade sub-interval within the main intercept further enhances the overall prospectivity of the porphyry system.

Positive factors

  • Strong copper grade (0.67%) for porphyry deposit type
  • Strong copper grade-width product (142.58 %·m)
  • Continuous interval width (212.81 m)

Negative factors

  • True width not stated

Evidence · table

“0.67”

Context: 212.81

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · molybdenumGrade: 128Grade Unit: ppmIntercept: 212.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
128
Grade Unit
ppm
Intercept
212.81 m
From
188 m
To
400.81 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:188-400.81
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum grades are elevated within this high-grade copper sub-interval, indicating a valuable byproduct.

Negative factors

  • True width not stated

Evidence · table

“128”

Context: 212.81

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · silverGrade: 10.2Grade Unit: g/tIntercept: 212.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
10.2
Grade Unit
g/t
Intercept
212.81 m
From
188 m
To
400.81 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:188-400.81
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver grades are elevated within this high-grade copper sub-interval, indicating a valuable byproduct.

Negative factors

  • True width not stated

Evidence · table

“10.2”

Context: 212.81

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · copperGrade: 1.06Grade Unit: %Intercept: 57.36 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.06
Grade Unit
%
Intercept
57.36 m
From
188 m
To
245.36 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:188-245.36
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This high-grade sub-interval demonstrates excellent copper grades within the broader mineralized zone.

Positive factors

  • Exceptional copper grade (1.06%) for porphyry deposit type
  • Moderate copper grade-width product (60.8 %·m)

Negative factors

  • True width not stated

Evidence · table

“1.06”

Context: 57.36

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · molybdenumGrade: 112Grade Unit: ppmIntercept: 57.36 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
112
Grade Unit
ppm
Intercept
57.36 m
From
188 m
To
245.36 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:188-245.36
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present as a byproduct within this high-grade copper sub-interval.

Negative factors

  • True width not stated

Evidence · table

“112”

Context: 57.36

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · silverGrade: 3.6Grade Unit: g/tIntercept: 57.36 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
3.6
Grade Unit
g/t
Intercept
57.36 m
From
188 m
To
245.36 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:188-245.36
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver is present as a byproduct within this high-grade copper sub-interval.

Negative factors

  • True width not stated

Evidence · table

“3.6”

Context: 57.36

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · copperGrade: 0.49Grade Unit: %Intercept: 140.09 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.49
Grade Unit
%
Intercept
140.09 m
From
702.56 m
To
842.65 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:702.56-842.65
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This deep sub-interval maintains strong copper grades, indicating continuity at depth.

Positive factors

  • Strong copper grade (0.49%) for porphyry deposit type
  • Moderate copper grade-width product (68.6 %·m)
  • Continuous interval width (140.09 m)

Negative factors

  • True width not stated

Evidence · table

“0.49”

Context: 140.09

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · molybdenumGrade: 84Grade Unit: ppmIntercept: 140.09 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
84
Grade Unit
ppm
Intercept
140.09 m
From
702.56 m
To
842.65 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:702.56-842.65
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present as a byproduct within this deep copper sub-interval.

Negative factors

  • True width not stated

Evidence · table

“84”

Context: 140.09

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan · silverGrade: 0.8Grade Unit: g/tIntercept: 140.09 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
HER-25-18 represents a significant leap forward in terms of scale and continuity at the Leviathan
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.8
Grade Unit
g/t
Intercept
140.09 m
From
702.56 m
To
842.65 m
Hole Depth
842.65 m
Intercept Depth
172.21 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-18:702.56-842.65
Mining Method
open_pit

Location

Easting
511656.9
Northing
4956141.17
Elevation
1363.04 m
Azimuth
315 °
Dip
-45.25 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver is present as a byproduct within this deep copper sub-interval, though at lower grades.

Negative factors

  • True width not stated

Evidence · table

“0.8”

Context: 140.09

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-13Leviathan Porphyry System · copperGrade: 0.57Grade Unit: %Intercept: 12.31 mView all details
Link to this fact

Identity

Hole ID
HER-25-13
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.57
Grade Unit
%
Intercept
12.31 m
From
289.56 m
To
301.87 m
Hole Depth
631.85 m
Intercept Depth
289.56 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-13:289.56-301.87
Mining Method
open_pit

Location

Easting
512131.2
Northing
4956963.39
Elevation
1616.25 m
Azimuth
355 °
Dip
-64.6 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows strong copper grades but is relatively narrow compared to the main porphyry intercepts.

Positive factors

  • Strong copper grade (0.57%) for porphyry deposit type

Negative factors

  • Narrow interval width (12.31 m)
  • True width not stated

Evidence · table

“0.57”

Context: 12.31

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-13Leviathan Porphyry System · molybdenumGrade: 17Grade Unit: ppmIntercept: 12.31 mView all details
Link to this fact

Identity

Hole ID
HER-25-13
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
17
Grade Unit
ppm
Intercept
12.31 m
From
289.56 m
To
301.87 m
Hole Depth
631.85 m
Intercept Depth
289.56 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-13:289.56-301.87
Mining Method
open_pit

Location

Easting
512131.2
Northing
4956963.39
Elevation
1616.25 m
Azimuth
355 °
Dip
-64.6 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present at low levels in this narrow intercept.

Negative factors

  • True width not stated

Evidence · table

“17”

Context: 12.31

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-13Leviathan Porphyry System · silverGrade: 1.7Grade Unit: g/tIntercept: 12.31 mView all details
Link to this fact

Identity

Hole ID
HER-25-13
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.7
Grade Unit
g/t
Intercept
12.31 m
From
289.56 m
To
301.87 m
Hole Depth
631.85 m
Intercept Depth
289.56 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-13:289.56-301.87
Mining Method
open_pit

Location

Easting
512131.2
Northing
4956963.39
Elevation
1616.25 m
Azimuth
355 °
Dip
-64.6 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver is present at low levels in this narrow intercept.

Negative factors

  • True width not stated

Evidence · table

“1.7”

Context: 12.31

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · copperGrade: 1.08Grade Unit: %Intercept: 6.09 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.08
Grade Unit
%
Intercept
6.09 m
From
399.29 m
To
405.38 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:399.29-405.38
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows exceptional copper grades but is relatively narrow.

Positive factors

  • Exceptional copper grade (1.08%) for porphyry deposit type

Negative factors

  • Narrow interval width (6.09 m)
  • True width not stated

Evidence · table

“1.08”

Context: 6.09

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · molybdenumGrade: 4Grade Unit: ppmIntercept: 6.09 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
4
Grade Unit
ppm
Intercept
6.09 m
From
399.29 m
To
405.38 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:399.29-405.38
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present at very low levels in this narrow intercept.

Negative factors

  • True width not stated

Evidence · table

“4”

Context: 6.09

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · silverGrade: 12.4Grade Unit: g/tIntercept: 6.09 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
12.4
Grade Unit
g/t
Intercept
6.09 m
From
399.29 m
To
405.38 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:399.29-405.38
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver grades are elevated in this narrow intercept, indicating a valuable byproduct.

Negative factors

  • True width not stated

Evidence · table

“12.4”

Context: 6.09

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · copperGrade: 0.57Grade Unit: %Intercept: 10.66 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.57
Grade Unit
%
Intercept
10.66 m
From
478.54 m
To
489.2 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:478.54-489.2
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows strong copper grades but is relatively narrow.

Positive factors

  • Strong copper grade (0.57%) for porphyry deposit type

Negative factors

  • Narrow interval width (10.66 m)
  • True width not stated

Evidence · table

“0.57”

Context: 10.66

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · molybdenumGrade: 21Grade Unit: ppmIntercept: 10.66 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
21
Grade Unit
ppm
Intercept
10.66 m
From
478.54 m
To
489.2 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:478.54-489.2
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present at low levels in this narrow intercept.

Negative factors

  • True width not stated

Evidence · table

“21”

Context: 10.66

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · silverGrade: 1.1Grade Unit: g/tIntercept: 10.66 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.1
Grade Unit
g/t
Intercept
10.66 m
From
478.54 m
To
489.2 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:478.54-489.2
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Silver is present at low levels in this narrow intercept.

Negative factors

  • True width not stated

Evidence · table

“1.1”

Context: 10.66

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · copperGrade: 0.31Grade Unit: %Intercept: 235.98 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.31
Grade Unit
%
Intercept
235.98 m
From
541.26 m
To
777.24 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:541.26-777.24
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This long intercept shows moderate copper grades, contributing to the overall mineralized footprint.

Positive factors

  • Moderate copper grade (0.31%) for porphyry deposit type
  • Exceptional copper grade-width product (73.15 %·m)
  • Continuous interval width (235.98 m)

Negative factors

  • True width not stated

Evidence · table

“0.31”

Context: 235.98

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · molybdenumGrade: 95Grade Unit: ppmIntercept: 235.98 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
95
Grade Unit
ppm
Intercept
235.98 m
From
541.26 m
To
777.24 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:541.26-777.24
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present as a byproduct within this long copper intercept.

Negative factors

  • True width not stated

Evidence · table

“95”

Context: 235.98

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · silverGrade: 0.9Grade Unit: g/tIntercept: 235.98 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.9
Grade Unit
g/t
Intercept
235.98 m
From
541.26 m
To
777.24 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:541.26-777.24
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Silver is present as a byproduct within this long copper intercept, though at lower grades.

Negative factors

  • True width not stated

Evidence · table

“0.9”

Context: 235.98

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · copperGrade: 0.47Grade Unit: %Intercept: 76.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.47
Grade Unit
%
Intercept
76.81 m
From
638.56 m
To
715.37 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:638.56-715.37
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This sub-interval shows strong copper grades within the broader mineralized zone.

Positive factors

  • Strong copper grade (0.47%) for porphyry deposit type
  • Exceptional copper grade-width product (36.09 %·m)

Negative factors

  • True width not stated

Evidence · table

“0.47”

Context: 76.81

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · molybdenumGrade: 175Grade Unit: ppmIntercept: 76.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
175
Grade Unit
ppm
Intercept
76.81 m
From
638.56 m
To
715.37 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:638.56-715.37
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum grades are elevated within this copper sub-interval, indicating a valuable byproduct.

Negative factors

  • True width not stated

Evidence · table

“175”

Context: 76.81

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-14Leviathan Porphyry System · silverGrade: 1.4Grade Unit: g/tIntercept: 76.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-14
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.4
Grade Unit
g/t
Intercept
76.81 m
From
638.56 m
To
715.37 m
Hole Depth
832.1 m
Intercept Depth
399.29 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-14:638.56-715.37
Mining Method
open_pit

Location

Easting
511912.2
Northing
4956733.27
Elevation
1525.21 m
Azimuth
315.11 °
Dip
-55.03 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Silver is present as a byproduct within this copper sub-interval.

Negative factors

  • True width not stated

Evidence · table

“1.4”

Context: 76.81

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-20Leviathan Porphyry System · copperGrade: 0.38Grade Unit: %Intercept: 300.1 mView all details
Link to this fact

Identity

Hole ID
HER-25-20
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.38
Grade Unit
%
Intercept
300.1 m
From
158.62 m
To
458.72 m
Hole Depth
468.17 m
Intercept Depth
158.62 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-20:158.62-458.72
Mining Method
open_pit

Location

Easting
511931.3
Northing
4956493.08
Elevation
1511.26 m
Azimuth
314.86 °
Dip
-61.72 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This long intercept shows strong copper grades, contributing to the overall mineralized footprint.

Positive factors

  • Strong copper grade (0.38%) for porphyry deposit type
  • Exceptional copper grade-width product (114.03 %·m)
  • Continuous interval width (300.1 m)

Negative factors

  • True width not stated

Evidence · table

“0.38”

Context: 300.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-20Leviathan Porphyry System · molybdenumGrade: 35Grade Unit: ppmIntercept: 300.1 mView all details
Link to this fact

Identity

Hole ID
HER-25-20
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
35
Grade Unit
ppm
Intercept
300.1 m
From
158.62 m
To
458.72 m
Hole Depth
468.17 m
Intercept Depth
158.62 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-20:158.62-458.72
Mining Method
open_pit

Location

Easting
511931.3
Northing
4956493.08
Elevation
1511.26 m
Azimuth
314.86 °
Dip
-61.72 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present as a byproduct within this long copper intercept.

Negative factors

  • True width not stated

Evidence · table

“35”

Context: 300.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-20Leviathan Porphyry System · silverGrade: 1.2Grade Unit: g/tIntercept: 300.1 mView all details
Link to this fact

Identity

Hole ID
HER-25-20
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.2
Grade Unit
g/t
Intercept
300.1 m
From
158.62 m
To
458.72 m
Hole Depth
468.17 m
Intercept Depth
158.62 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-20:158.62-458.72
Mining Method
open_pit

Location

Easting
511931.3
Northing
4956493.08
Elevation
1511.26 m
Azimuth
314.86 °
Dip
-61.72 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver is present as a byproduct within this long copper intercept, though at lower grades.

Negative factors

  • True width not stated

Evidence · table

“1.2”

Context: 300.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-20Leviathan Porphyry System · copperGrade: 1.55Grade Unit: %Intercept: 39.5 mView all details
Link to this fact

Identity

Hole ID
HER-25-20
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.55
Grade Unit
%
Intercept
39.5 m
From
158.62 m
To
198.12 m
Hole Depth
468.17 m
Intercept Depth
158.62 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-20:158.62-198.12
Mining Method
open_pit

Location

Easting
511931.3
Northing
4956493.08
Elevation
1511.26 m
Azimuth
314.86 °
Dip
-61.72 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: This high-grade sub-interval demonstrates excellent copper grades within the broader mineralized zone.

Positive factors

  • Exceptional copper grade (1.55%) for porphyry deposit type
  • Exceptional copper grade-width product (61.22 %·m)

Negative factors

  • True width not stated

Evidence · table

“1.55”

Context: 39.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-20Leviathan Porphyry System · molybdenumGrade: 35Grade Unit: ppmIntercept: 39.5 mView all details
Link to this fact

Identity

Hole ID
HER-25-20
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
35
Grade Unit
ppm
Intercept
39.5 m
From
158.62 m
To
198.12 m
Hole Depth
468.17 m
Intercept Depth
158.62 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-20:158.62-198.12
Mining Method
open_pit

Location

Easting
511931.3
Northing
4956493.08
Elevation
1511.26 m
Azimuth
314.86 °
Dip
-61.72 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Molybdenum is present as a byproduct within this high-grade copper sub-interval.

Negative factors

  • True width not stated

Evidence · table

“35”

Context: 39.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-20Leviathan Porphyry System · silverGrade: 2.4Grade Unit: g/tIntercept: 39.5 mView all details
Link to this fact

Identity

Hole ID
HER-25-20
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
2.4
Grade Unit
g/t
Intercept
39.5 m
From
158.62 m
To
198.12 m
Hole Depth
468.17 m
Intercept Depth
158.62 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-20:158.62-198.12
Mining Method
open_pit

Location

Easting
511931.3
Northing
4956493.08
Elevation
1511.26 m
Azimuth
314.86 °
Dip
-61.72 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Silver is present as a byproduct within this high-grade copper sub-interval.

Negative factors

  • True width not stated

Evidence · table

“2.4”

Context: 39.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-16Leviathan Porphyry System · silverGrade: 10.5Grade Unit: g/tIntercept: 71.63 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
10.5
Grade Unit
g/t
Intercept
71.63 m
From
574.55 m
To
646.18 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:574.55-646.18
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
19.8
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Moderate silver grade (10.5 g/t)
  • Continuous interval width (71.63 m)

Negative factors

  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“10.5”

Context: 71.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-16Leviathan Porphyry System · leadGrade: 0.14Grade Unit: %Intercept: 71.63 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
lead
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.14
Grade Unit
%
Intercept
71.63 m
From
574.55 m
To
646.18 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:574.55-646.18
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
19.8
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Lead is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.14”

Context: 71.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-16Leviathan Porphyry System · zincGrade: 0.31Grade Unit: %Intercept: 71.63 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.31
Grade Unit
%
Intercept
71.63 m
From
574.55 m
To
646.18 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:574.55-646.18
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
19.8
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.31”

Context: 71.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-16Leviathan Porphyry System · silverGrade: 27Grade Unit: g/tIntercept: 15.24 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
27
Grade Unit
g/t
Intercept
15.24 m
From
760.48 m
To
775.72 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:760.48-775.72
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
30.5
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Moderate silver grade (27 g/t)

Negative factors

  • Narrow interval width (15.24 m)
  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“27.0”

Context: 15.24

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-16Leviathan Porphyry System · zincGrade: 0.16Grade Unit: %Intercept: 15.24 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.16
Grade Unit
%
Intercept
15.24 m
From
760.48 m
To
775.72 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:760.48-775.72
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.16”

Context: 15.24

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-16Leviathan Porphyry System · silverGrade: 14.2Grade Unit: g/tIntercept: 18.29 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
14.2
Grade Unit
g/t
Intercept
18.29 m
From
816.86 m
To
835.15 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:816.86-835.15
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
15.4
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Moderate silver grade (14.2 g/t)

Negative factors

  • Narrow interval width (18.29 m)
  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“14.2”

Context: 18.29

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-16Leviathan Porphyry System · zincGrade: 0.06Grade Unit: %Intercept: 18.29 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.06
Grade Unit
%
Intercept
18.29 m
From
816.86 m
To
835.15 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:816.86-835.15
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present at very low levels in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.06”

Context: 18.29

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-16Leviathan Porphyry System · silverGrade: 42.7Grade Unit: g/tIntercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
42.7
Grade Unit
g/t
Intercept
1.52 m
From
886.97 m
To
888.49 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:886.97-888.49
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
44.4
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This very narrow intercept shows moderate silver grades in a reconnaissance hole.

Positive factors

  • Moderate silver grade (42.7 g/t)

Negative factors

  • Narrow interval width (1.52 m)
  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“42.7”

Context: 1.52

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-16Leviathan Porphyry System · zincGrade: 0.08Grade Unit: %Intercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.08
Grade Unit
%
Intercept
1.52 m
From
886.97 m
To
888.49 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:886.97-888.49
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present at very low levels in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.08”

Context: 1.52

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-16Leviathan Porphyry System · silverGrade: 342Grade Unit: g/tIntercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
342
Grade Unit
g/t
Intercept
1.52 m
From
1011.94 m
To
1013.46 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:1011.94-1013.46
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
342.5
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This very narrow intercept shows exceptional silver grades in a reconnaissance hole, indicating high-grade potential.

Positive factors

  • Exceptional silver grade (342 g/t)

Negative factors

  • Narrow interval width (1.52 m)
  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“342.0”

Context: 1.52

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-16Leviathan Porphyry System · zincGrade: 0.02Grade Unit: %Intercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
HER-25-16
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.02
Grade Unit
%
Intercept
1.52 m
From
1011.94 m
To
1013.46 m
Hole Depth
1068.32 m
Intercept Depth
574.55 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-16:1011.94-1013.46
Mining Method
open_pit

Location

Easting
512628.9
Northing
4955042.4
Elevation
1401.21 m
Azimuth
270.34 °
Dip
-54.57 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present at very low levels in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.02”

Context: 1.52

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-22Leviathan Porphyry System · silverGrade: 7.5Grade Unit: g/tIntercept: 71.63 mView all details
Link to this fact

Identity

Hole ID
HER-25-22
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
7.5
Grade Unit
g/t
Intercept
71.63 m
From
396.24 m
To
467.87 m
Hole Depth
890.02 m
Intercept Depth
396.24 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-22:396.24-467.87
Mining Method
open_pit

Location

Easting
512644.6
Northing
4954738.73
Elevation
1397.09 m
Azimuth
214.96 °
Dip
-70.43 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
12.5
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Continuous interval width (71.63 m)

Negative factors

  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“7.5”

Context: 71.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-22Leviathan Porphyry System · leadGrade: 0.02Grade Unit: %Intercept: 71.63 mView all details
Link to this fact

Identity

Hole ID
HER-25-22
Project
Leviathan Porphyry System
Commodity
lead
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.02
Grade Unit
%
Intercept
71.63 m
From
396.24 m
To
467.87 m
Hole Depth
890.02 m
Intercept Depth
396.24 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-22:396.24-467.87
Mining Method
open_pit

Location

Easting
512644.6
Northing
4954738.73
Elevation
1397.09 m
Azimuth
214.96 °
Dip
-70.43 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
12.5
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Lead is present at very low levels in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.02”

Context: 71.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-22Leviathan Porphyry System · zincGrade: 0.2Grade Unit: %Intercept: 71.63 mView all details
Link to this fact

Identity

Hole ID
HER-25-22
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.2
Grade Unit
%
Intercept
71.63 m
From
396.24 m
To
467.87 m
Hole Depth
890.02 m
Intercept Depth
396.24 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-22:396.24-467.87
Mining Method
open_pit

Location

Easting
512644.6
Northing
4954738.73
Elevation
1397.09 m
Azimuth
214.96 °
Dip
-70.43 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
12.5
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.20”

Context: 71.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · silverGrade: 3.4Grade Unit: g/tIntercept: 268.22 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
3.4
Grade Unit
g/t
Intercept
268.22 m
From
167.64 m
To
435.86 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:167.64-435.86
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
12.1
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This long intercept shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Continuous interval width (268.22 m)

Negative factors

  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“3.4”

Context: 268.22

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · leadGrade: 0.04Grade Unit: %Intercept: 268.22 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
lead
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.04
Grade Unit
%
Intercept
268.22 m
From
167.64 m
To
435.86 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:167.64-435.86
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
12.1
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Lead is present at very low levels in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.04”

Context: 268.22

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · zincGrade: 0.36Grade Unit: %Intercept: 268.22 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.36
Grade Unit
%
Intercept
268.22 m
From
167.64 m
To
435.86 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:167.64-435.86
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
12.1
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.36”

Context: 268.22

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · silverGrade: 7.8Grade Unit: g/tIntercept: 41.15 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
7.8
Grade Unit
g/t
Intercept
41.15 m
From
347.47 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:347.47-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
33.4
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This sub-interval shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Moderate silver grade (7.8 g/t)

Negative factors

  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“7.8”

Context: 41.15

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · leadGrade: 0.12Grade Unit: %Intercept: 41.15 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
lead
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.12
Grade Unit
%
Intercept
41.15 m
From
347.47 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:347.47-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
33.4
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Lead is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.12”

Context: 41.15

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · zincGrade: 1.04Grade Unit: %Intercept: 41.15 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.04
Grade Unit
%
Intercept
41.15 m
From
347.47 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:347.47-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
33.4
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“1.04”

Context: 41.15

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · silverGrade: 10.1Grade Unit: g/tIntercept: 30.48 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
10.1
Grade Unit
g/t
Intercept
30.48 m
From
358.14 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:358.14-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
41.6
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This sub-interval shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Moderate silver grade (10.1 g/t)

Negative factors

  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“10.1”

Context: 30.48

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · leadGrade: 0.15Grade Unit: %Intercept: 30.48 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
lead
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.15
Grade Unit
%
Intercept
30.48 m
From
358.14 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:358.14-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
41.6
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Lead is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.15”

Context: 30.48

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · zincGrade: 1.28Grade Unit: %Intercept: 30.48 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.28
Grade Unit
%
Intercept
30.48 m
From
358.14 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:358.14-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
41.6
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“1.28”

Context: 30.48

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · silverGrade: 24.8Grade Unit: g/tIntercept: 9.14 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
24.8
Grade Unit
g/t
Intercept
9.14 m
From
379.48 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:379.48-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
98
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: This intercept shows moderate silver grades in a reconnaissance hole, indicating potential for polymetallic mineralization.

Positive factors

  • Moderate silver grade (24.8 g/t)

Negative factors

  • Narrow interval width (9.14 m)
  • True width not stated
  • Metal equivalent assumptions not disclosed

Evidence · table

“24.8”

Context: 9.14

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · leadGrade: 0.37Grade Unit: %Intercept: 9.14 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
lead
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.37
Grade Unit
%
Intercept
9.14 m
From
379.48 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:379.48-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
98
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Lead is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“0.37”

Context: 9.14

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

HER-25-23Leviathan Porphyry System · zincGrade: 2.97Grade Unit: %Intercept: 9.14 mView all details
Link to this fact

Identity

Hole ID
HER-25-23
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
2.97
Grade Unit
%
Intercept
9.14 m
From
379.48 m
To
388.62 m
Hole Depth
648.31 m
Intercept Depth
167.64 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-25-23:379.48-388.62
Mining Method
open_pit

Location

Easting
512417
Northing
4954325.97
Elevation
1267.92 m
Azimuth
220 °
Dip
-69.52 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
98
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Zinc is present as a byproduct in this reconnaissance intercept.

Negative factors

  • True width not stated

Evidence · table

“2.97”

Context: 9.14

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · copperGrade: 0.57Grade Unit: %Intercept: 10.66 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.57
Grade Unit
%
Intercept
10.66 m
From
478.54 m
To
489.2 m
Intercept Depth
478.54 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:478.54-489.2
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.57 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 6.1 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 0.57 % copper is strong on the porphyry deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.57”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · molybdenumGrade: 21Grade Unit: ppmIntercept: 10.66 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
21
Grade Unit
ppm
Intercept
10.66 m
From
478.54 m
To
489.2 m
Intercept Depth
478.54 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:478.54-489.2
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table: 21 ppm molybdenum. No grade band defined for this commodity, so the score is a placeholder.

Negative factors

  • No grade rubric for molybdenum; intercept not scored.

Evidence · table

“21”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · silverGrade: 1.1Grade Unit: g/tIntercept: 10.66 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.1
Grade Unit
g/t
Intercept
10.66 m
From
478.54 m
To
489.2 m
Intercept Depth
478.54 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:478.54-489.2
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 11.7 g/t·m is below.

Negative factors

  • 1.1 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.1”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · copperGrade: 0.31Grade Unit: %Intercept: 235.98 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.31
Grade Unit
%
Intercept
235.98 m
From
541.26 m
To
777.24 m
Intercept Depth
541.26 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:541.26-777.24
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.31 % copper is moderate against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 73.2 %·m is moderate.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.31”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · molybdenumGrade: 95Grade Unit: ppmIntercept: 235.98 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
95
Grade Unit
ppm
Intercept
235.98 m
From
541.26 m
To
777.24 m
Intercept Depth
541.26 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:541.26-777.24
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table: 95 ppm molybdenum. No grade band defined for this commodity, so the score is a placeholder.

Negative factors

  • No grade rubric for molybdenum; intercept not scored.

Evidence · table

“95”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · silverGrade: 0.9Grade Unit: g/tIntercept: 235.98 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.9
Grade Unit
g/t
Intercept
235.98 m
From
541.26 m
To
777.24 m
Intercept Depth
541.26 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:541.26-777.24
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.9 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 212.4 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.9”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · copperGrade: 0.47Grade Unit: %Intercept: 76.81 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.47
Grade Unit
%
Intercept
76.81 m
From
638.56 m
To
715.37 m
Intercept Depth
638.56 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:638.56-715.37
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.47 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 36.1 %·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 0.47 % copper is strong on the porphyry deposit band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.47”

Context: Including

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · molybdenumGrade: 175Grade Unit: ppmIntercept: 76.81 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
175
Grade Unit
ppm
Intercept
76.81 m
From
638.56 m
To
715.37 m
Intercept Depth
638.56 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:638.56-715.37
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table: 175 ppm molybdenum. No grade band defined for this commodity, so the score is a placeholder.

Negative factors

  • No grade rubric for molybdenum; intercept not scored.

Evidence · table

“175”

Context: Including

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · silverGrade: 1.4Grade Unit: g/tIntercept: 76.81 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.4
Grade Unit
g/t
Intercept
76.81 m
From
638.56 m
To
715.37 m
Intercept Depth
638.56 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:638.56-715.37
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
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
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 1.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 107.5 g/t·m is below.

Negative factors

  • 1.4 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.4”

Context: Including

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ANDLeviathan Porphyry System · silverGrade: 27Grade Unit: g/tIntercept: 15.24 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
27
Grade Unit
g/t
Intercept
15.24 m
From
760.48 m
To
775.72 m
Intercept Depth
760.48 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:760.48-775.72
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
30.5
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 27 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 411.5 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“27.0”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · zincGrade: 0.16Grade Unit: %Intercept: 15.24 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.16
Grade Unit
%
Intercept
15.24 m
From
760.48 m
To
775.72 m
Intercept Depth
760.48 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:760.48-775.72
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
30.5
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.16 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 2.4 %·m is below.

Negative factors

  • 0.16 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.16”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · silverGrade: 14.2Grade Unit: g/tIntercept: 18.29 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
14.2
Grade Unit
g/t
Intercept
18.29 m
From
816.86 m
To
835.15 m
Intercept Depth
816.86 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:816.86-835.15
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
15.4
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 14.2 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 259.7 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“14.2”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · zincGrade: 0.06Grade Unit: %Intercept: 18.29 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.06
Grade Unit
%
Intercept
18.29 m
From
816.86 m
To
835.15 m
Intercept Depth
816.86 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:816.86-835.15
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
15.4
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.06 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 1.1 %·m is below.

Negative factors

  • 0.06 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.06”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · silverGrade: 42.7Grade Unit: g/tIntercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
42.7
Grade Unit
g/t
Intercept
1.52 m
From
886.97 m
To
888.49 m
Intercept Depth
886.97 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:886.97-888.49
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
44.4
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 42.7 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 64.9 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“42.7”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · zincGrade: 0.08Grade Unit: %Intercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.08
Grade Unit
%
Intercept
1.52 m
From
886.97 m
To
888.49 m
Intercept Depth
886.97 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:886.97-888.49
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
44.4
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.08 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.1 %·m is below.

Negative factors

  • 0.08 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.08”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · silverGrade: 342Grade Unit: g/tIntercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
342
Grade Unit
g/t
Intercept
1.52 m
From
1011.94 m
To
1013.46 m
Intercept Depth
1011.94 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:1011.94-1013.46
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
342.5
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 342 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 519.8 g/t·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 342 g/t silver is strong on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“342.0”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

ANDLeviathan Porphyry System · zincGrade: 0.02Grade Unit: %Intercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Leviathan Porphyry System
Commodity
zinc
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.02
Grade Unit
%
Intercept
1.52 m
From
1011.94 m
To
1013.46 m
Intercept Depth
1011.94 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
AND:1011.94-1013.46
Mining Method
open_pit

QA/QC

Laboratory
MSA Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
342.5
Metal Eq. Unit
g/t Eq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-30T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0.02 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.02”

Context: AND

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

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.