Hercules Metals Intersects 788 m of 0.54% Copper Equivalent and 802 m of 0.40% Copper Equivalent 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
Molybdenum, Silver, Gold
Document categories
Drill results
Extracted
2026-09-13 14:34:35 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Hercules Metals reported significant drill results from the Leviathan Porphyry system in Idaho, including an 801.6 m intercept of 0.40% CuEq in hole HER-25-21. The company also highlighted high-grade intercepts at the top of the system and strong IP chargeability anomalies at the new Hook target.

Reasoning: Large-scale porphyry intercepts with high-grade components and successful step-out extension.

Positive factors

  • Significant intercept width (up to 801m)
  • High-grade CuEq intercepts at top of system
  • Step-out drilling extending mineralization southwest
  • Strong geophysical (IP) anomaly at new Hook target

Negative factors

  • True width not disclosed

Facts used in scoring: 40

Classification and evidence

QA/QC Disclosedpositive

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

Why it applies: Release mentions MSA Labs, ISO 17025 certification, and use of standards, duplicates, and blanks.

Evidence · text

“MSA Labs employs internal quality control standards, duplicates and blank samples”

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: The release states that insufficient data is available to state the true thickness of the mineralized intervals.

Evidence · text

“insufficient data are available at this time to state the true thickness”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: HER-25-21 extends the Leviathan Footwall Zone to the southwest.

Evidence · text

“HER-25-21 ... extended Leviathans footwall zone to the southwest”

Extracted facts

Stored fact records: 40. Some facts used in scoring do not have a stored record.

Drill Results (40)

HER-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.43Grade Unit: %Intercept: 787.91 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.43
Grade Unit
%
Intercept
787.91 m
From
172.21 m
To
960.12 m
Intercept Depth
172.21 m

Classification

Sample Type
drill
Group ID
HER-25-18:172.21-960.12
Mining Method
open_pit

Location

Loc. Confidence
high

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
0.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Extremely wide porphyry-style intercept.

Positive factors

  • Very wide intercept

Negative factors

  • Apparent width only

Evidence · table

“0.43”

Context: 787.91

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 91Grade Unit: ppmIntercept: 787.91 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
91
Grade Unit
ppm
Intercept
787.91 m
From
172.21 m
To
960.12 m
Intercept Depth
172.21 m

Classification

Sample Type
drill
Group ID
HER-25-18:172.21-960.12
Mining Method
open_pit

Location

Loc. Confidence
high

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
0.54
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Trace molybdenum reported in porphyry intercept.

Evidence · table

“91”

Context: 787.91

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 3.5Grade Unit: g/tIntercept: 787.91 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
3.5
Grade Unit
g/t
Intercept
787.91 m
From
172.21 m
To
960.12 m
Intercept Depth
172.21 m

Classification

Sample Type
drill
Group ID
HER-25-18:172.21-960.12
Mining Method
open_pit

Location

Loc. Confidence
high

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
0.54
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Trace silver reported.

Evidence · table

“3.5”

Context: 787.91

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.027Grade Unit: g/tIntercept: 787.91 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.027
Grade Unit
g/t
Intercept
787.91 m
From
172.21 m
To
960.12 m
Intercept Depth
172.21 m

Classification

Sample Type
drill
Group ID
HER-25-18:172.21-960.12
Mining Method
open_pit

Location

Loc. Confidence
high

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
0.54
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Trace gold reported.

Evidence · table

“0.027”

Context: 787.91

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.67Grade Unit: %Intercept: 212.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
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
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-400.81
Mining Method
open_pit

Location

Loc. Confidence
high

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
0.89
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: High-grade sub-interval within a larger intercept.

Positive factors

  • Strong grade for porphyry

Negative factors

  • Apparent width only

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-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 1.06Grade Unit: %Intercept: 57.36 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
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
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-245.36
Mining Method
open_pit

Location

Loc. Confidence
high

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
1.18
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: High-grade intercept at the top of the system.

Positive factors

  • High grade intercept

Negative factors

  • Apparent width only

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-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.3Grade Unit: %Intercept: 801.62 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.3
Grade Unit
%
Intercept
801.62 m
From
224.03 m
To
1025.65 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-1025.65
Mining Method
open_pit

Location

Loc. Confidence
high

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
0.4
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Large scale porphyry intercept extending the footwall zone.

Positive factors

  • Significant width

Negative factors

  • Apparent width only

Evidence · table

“0.30”

Context: 801.62

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.22Grade Unit: %Intercept: 21.33 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.22
Grade Unit
%
Intercept
21.33 m
From
224.03 m
To
245.36 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-245.36
Mining Method
open_pit

Location

Loc. Confidence
high

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
2
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: High grade silver-rich intercept.

Positive factors

  • High grade CuEq

Evidence · table

“0.22”

Context: 21.33

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-25-24near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 1.28Grade Unit: %Intercept: 17.84 mView all details
Link to this fact

Identity

Hole ID
HER-25-24
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.28
Grade Unit
%
Intercept
17.84 m
From
236.52 m
To
254.36 m
Intercept Depth
236.52 m

Classification

Sample Type
drill
Group ID
HER-25-24:236.52-254.36
Mining Method
open_pit

Location

Loc. Confidence
high

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
1.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Strong high-grade intercept at the top of the system.

Positive factors

  • High grade intercept

Evidence · table

“1.28”

Context: 17.84

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 128Grade Unit: ppmIntercept: 212.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
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
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-400.81
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
0.89
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 128 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

“128”

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

HER-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 10.2Grade Unit: g/tIntercept: 212.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
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
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-400.81
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
0.89
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 10.2 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 2170.7 g/t·m is moderate (grade alone is below; the better of the two is used).

Negative factors

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

Evidence · table

“10.2”

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

HER-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.047Grade Unit: g/tIntercept: 212.81 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.047
Grade Unit
g/t
Intercept
212.81 m
From
188 m
To
400.81 m
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-400.81
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
0.89
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.047 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 10.0 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

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

Evidence · table

“0.047”

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

HER-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 112Grade Unit: ppmIntercept: 57.36 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
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
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-245.36
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
1.18
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 112 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

“112”

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

HER-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 3.6Grade Unit: g/tIntercept: 57.36 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
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
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-245.36
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
1.18
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 3.6 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 206.5 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

“3.6”

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

HER-25-18near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.036Grade Unit: g/tIntercept: 57.36 mView all details
Link to this fact

Identity

Hole ID
HER-25-18
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.036
Grade Unit
g/t
Intercept
57.36 m
From
188 m
To
245.36 m
Intercept Depth
188 m

Classification

Sample Type
drill
Group ID
HER-25-18:188-245.36
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
1.18
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.036 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 2.1 g/t·m is below.

Negative factors

  • 0.036 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.036”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 82Grade Unit: ppmIntercept: 801.62 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
82
Grade Unit
ppm
Intercept
801.62 m
From
224.03 m
To
1025.65 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-1025.65
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
0.4
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 82 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

“82”

Context: HER-25-21

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 5.3Grade Unit: g/tIntercept: 801.62 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
5.3
Grade Unit
g/t
Intercept
801.62 m
From
224.03 m
To
1025.65 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-1025.65
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
0.4
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 5.3 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 4248.6 g/t·m is strong (grade alone is below; the better of the two is used).

Positive factors

  • 5.3 g/t silver is strong on the default band.

Negative factors

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

Evidence · table

“5.3”

Context: HER-25-21

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.01Grade Unit: g/tIntercept: 801.62 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.01
Grade Unit
g/t
Intercept
801.62 m
From
224.03 m
To
1025.65 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-1025.65
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
0.4
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 8.0 g/t·m is below.

Negative factors

  • 0.01 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.010”

Context: HER-25-21

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 33Grade Unit: ppmIntercept: 21.33 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
33
Grade Unit
ppm
Intercept
21.33 m
From
224.03 m
To
245.36 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-245.36
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
2
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 33 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

“33”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 165.7Grade Unit: g/tIntercept: 21.33 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
165.7
Grade Unit
g/t
Intercept
21.33 m
From
224.03 m
To
245.36 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-245.36
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
2
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 165.7 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 3534.4 g/t·m is strong (grade alone is moderate; the better of the two is used).

Positive factors

  • 165.7 g/t silver is strong on the default band.

Negative factors

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

Evidence · table

“165.7”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.005Grade Unit: g/tIntercept: 21.33 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.005
Grade Unit
g/t
Intercept
21.33 m
From
224.03 m
To
245.36 m
Intercept Depth
224.03 m

Classification

Sample Type
drill
Group ID
HER-25-21:224.03-245.36
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
2
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.005 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 0.1 g/t·m is below.

Negative factors

  • 0.005 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.005”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.43Grade Unit: %Intercept: 107.83 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.43
Grade Unit
%
Intercept
107.83 m
From
427.09 m
To
534.92 m
Intercept Depth
427.09 m

Classification

Sample Type
drill
Group ID
HER-25-21:427.09-534.92
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
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.43 % copper is weak against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 46.4 %·m is weak.

Negative factors

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

Evidence · table

“0.43”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 104Grade Unit: ppmIntercept: 107.83 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
104
Grade Unit
ppm
Intercept
107.83 m
From
427.09 m
To
534.92 m
Intercept Depth
427.09 m

Classification

Sample Type
drill
Group ID
HER-25-21:427.09-534.92
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
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 104 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

“104”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 1.8Grade Unit: g/tIntercept: 107.83 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.8
Grade Unit
g/t
Intercept
107.83 m
From
427.09 m
To
534.92 m
Intercept Depth
427.09 m

Classification

Sample Type
drill
Group ID
HER-25-21:427.09-534.92
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
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.8 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 194.1 g/t·m is below.

Negative factors

  • 1.8 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

“1.8”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.023Grade Unit: g/tIntercept: 107.83 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.023
Grade Unit
g/t
Intercept
107.83 m
From
427.09 m
To
534.92 m
Intercept Depth
427.09 m

Classification

Sample Type
drill
Group ID
HER-25-21:427.09-534.92
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
0.52
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.023 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 2.5 g/t·m is below.

Negative factors

  • 0.023 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.023”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.39Grade Unit: %Intercept: 206.28 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.39
Grade Unit
%
Intercept
206.28 m
From
661.42 m
To
867.7 m
Intercept Depth
661.42 m

Classification

Sample Type
drill
Group ID
HER-25-21:661.42-867.7
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
0.45
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.39 % copper is moderate against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 80.4 %·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

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

Evidence · table

“0.39”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 98Grade Unit: ppmIntercept: 206.28 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
98
Grade Unit
ppm
Intercept
206.28 m
From
661.42 m
To
867.7 m
Intercept Depth
661.42 m

Classification

Sample Type
drill
Group ID
HER-25-21:661.42-867.7
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
0.45
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 98 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

“98”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 0.7Grade Unit: g/tIntercept: 206.28 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.7
Grade Unit
g/t
Intercept
206.28 m
From
661.42 m
To
867.7 m
Intercept Depth
661.42 m

Classification

Sample Type
drill
Group ID
HER-25-21:661.42-867.7
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
0.45
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.7 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 144.4 g/t·m is below.

Negative factors

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

Evidence · table

“0.7”

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

HER-25-21near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.009Grade Unit: g/tIntercept: 206.28 mView all details
Link to this fact

Identity

Hole ID
HER-25-21
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.009
Grade Unit
g/t
Intercept
206.28 m
From
661.42 m
To
867.7 m
Intercept Depth
661.42 m

Classification

Sample Type
drill
Group ID
HER-25-21:661.42-867.7
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
0.45
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.009 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 1.9 g/t·m is below.

Negative factors

  • 0.009 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.009”

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

HER-25-24near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 20Grade Unit: ppmIntercept: 17.84 mView all details
Link to this fact

Identity

Hole ID
HER-25-24
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
20
Grade Unit
ppm
Intercept
17.84 m
From
236.52 m
To
254.36 m
Intercept Depth
236.52 m

Classification

Sample Type
drill
Group ID
HER-25-24:236.52-254.36
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
1.54
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 20 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

“20”

Context: HER-25-24

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-25-24near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 19.7Grade Unit: g/tIntercept: 17.84 mView all details
Link to this fact

Identity

Hole ID
HER-25-24
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
19.7
Grade Unit
g/t
Intercept
17.84 m
From
236.52 m
To
254.36 m
Intercept Depth
236.52 m

Classification

Sample Type
drill
Group ID
HER-25-24:236.52-254.36
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
1.54
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 19.7 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 351.4 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

“19.7”

Context: HER-25-24

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-25-24near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.039Grade Unit: g/tIntercept: 17.84 mView all details
Link to this fact

Identity

Hole ID
HER-25-24
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.039
Grade Unit
g/t
Intercept
17.84 m
From
236.52 m
To
254.36 m
Intercept Depth
236.52 m

Classification

Sample Type
drill
Group ID
HER-25-24:236.52-254.36
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
1.54
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.039 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 0.7 g/t·m is below.

Negative factors

  • 0.039 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.039”

Context: HER-25-24

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.22Grade Unit: %Intercept: 211.84 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.22
Grade Unit
%
Intercept
211.84 m
From
283.46 m
To
495.3 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-495.3
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
0.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.22 % copper is weak against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 46.6 %·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

“0.22”

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 83Grade Unit: ppmIntercept: 211.84 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
83
Grade Unit
ppm
Intercept
211.84 m
From
283.46 m
To
495.3 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-495.3
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
0.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 83 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

“83”

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 1.9Grade Unit: g/tIntercept: 211.84 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
1.9
Grade Unit
g/t
Intercept
211.84 m
From
283.46 m
To
495.3 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-495.3
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
0.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.9 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 402.5 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

“1.9”

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.005Grade Unit: g/tIntercept: 211.84 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.005
Grade Unit
g/t
Intercept
211.84 m
From
283.46 m
To
495.3 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-495.3
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
0.29
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.005 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 1.1 g/t·m is below.

Negative factors

  • 0.005 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.005”

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · copperGrade: 0.3Grade Unit: %Intercept: 79.4 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.3
Grade Unit
%
Intercept
79.4 m
From
283.46 m
To
362.86 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-362.86
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
0.36
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % copper is weak against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 23.8 %·m is weak.

Negative factors

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

Evidence · table

“0.30”

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · molybdenumGrade: 32Grade Unit: ppmIntercept: 79.4 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
32
Grade Unit
ppm
Intercept
79.4 m
From
283.46 m
To
362.86 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-362.86
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
0.36
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table: 32 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

“32”

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · silverGrade: 3.9Grade Unit: g/tIntercept: 79.4 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
3.9
Grade Unit
g/t
Intercept
79.4 m
From
283.46 m
To
362.86 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-362.86
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
0.36
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 3.9 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 309.7 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

“3.9”

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

Andnear-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry · goldGrade: 0.004Grade Unit: g/tIntercept: 79.4 mView all details
Link to this fact

Identity

Hole ID
And
Project
near-surface chargeability anomaly exhibiting a geophysical response strongly analogous to the Leviathan porphyry
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG

Geometry

Grade
0.004
Grade Unit
g/t
Intercept
79.4 m
From
283.46 m
To
362.86 m
Intercept Depth
283.46 m

Classification

Sample Type
drill
Group ID
And:283.46-362.86
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
0.36
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.004 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 0.3 g/t·m is below.

Negative factors

  • 0.004 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.004”

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

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.