# Hercules Metals Intersects 81 m of 1.5% Copper Within 346 m of 0.66% Copper in First 2025 Drill Hole Completed at the Leviathan Porphyry System in Idaho

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e

Original source: https://money.tmx.com/en/quote/BIG/news/8693860981900601/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir

Publisher: tmx

Original announcement: 2025-09-17T11:15:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Hercules Metals Corp.

- Ticker: BIG

- Exchange: TSX

- Region: Idaho

- Primary commodity: Copper

- Secondary commodities: Silver, Molybdenum

- Document categories: Drill results

- Extracted: 2026-08-21 06:55:18 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Hercules Metals reported strong results from its first 2025 drill hole, HER-25-02, at the Leviathan porphyry system in Idaho. The hole intersected 81 m of 1.5% Cu and 8.9 g/t Ag, extending the system's strike length to 1.3 km.

Reasoning: The drill hole HER-25-02 returned high-grade copper \(1.5% Cu\) and silver \(8.9 g/t Ag\) over a significant width \(81 m\) in a step-out location, validating the porphyry model and extending the known strike length.

- Positive factor: High-grade hypogene enrichment intersected

- Positive factor: Step-out drilling successfully extended strike length

- Positive factor: Strong geophysical correlation with drilling

- Positive factor: QA/QC protocols clearly disclosed

Facts used in scoring: 18

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 18. Some facts used in scoring do not have a stored record.

## Drill Results (18)

### HER-25-02

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-0)

Leviathan · copper

#### Identity

- Hole ID: HER-25-02
- Project: Leviathan
- Commodity: copper
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 0.66
- Grade Unit: %
- Intercept: 346 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: HER-25-02:unknown
- Mining Method: open\_pit

#### QA/QC

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

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: 346 m at 0.66% Cu provides significant volume.

- Positive factor: Broad mineralized zone

Evidence · text

> broad zone of 346 m grading 0.66% Cu, 3.2 g/t Ag and 78 ppm Mo

### HER-25-02

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-1)

Leviathan · silver

#### Identity

- Hole ID: HER-25-02
- Project: Leviathan
- Commodity: silver
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 3.2
- Grade Unit: g/t
- Intercept: 346 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: HER-25-02:unknown
- Mining Method: open\_pit

#### QA/QC

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

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Silver grade within the broad copper zone.

Evidence · text

> broad zone of 346 m grading 0.66% Cu, 3.2 g/t Ag and 78 ppm Mo

### HER-25-02

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-2)

Leviathan · molybdenum

#### Identity

- Hole ID: HER-25-02
- Project: Leviathan
- Commodity: molybdenum
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 78
- Grade Unit: ppm
- Intercept: 346 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: HER-25-02:unknown
- Mining Method: open\_pit

#### QA/QC

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

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Molybdenum presence within the broad copper zone.

Evidence · text

> broad zone of 346 m grading 0.66% Cu, 3.2 g/t Ag and 78 ppm Mo

### HER-25-02

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-3)

Leviathan · copper

#### Identity

- Hole ID: HER-25-02
- Project: Leviathan
- Commodity: copper
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 1.28
- Grade Unit: %
- Intercept: 15.5 m
- From: 316.75 m
- To: 332.23 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: HER-25-02:316.75-332.23
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 1.28 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 19.8 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.28 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.28

Context: HER-25-02

### HER-25-02

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-4)

Leviathan · silver

#### Identity

- Hole ID: HER-25-02
- Project: Leviathan
- Commodity: silver
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 22.8
- Grade Unit: g/t
- Intercept: 15.5 m
- From: 316.75 m
- To: 332.23 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: HER-25-02:316.75-332.23
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 22.8 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 353.4 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 22.8

Context: HER-25-02

### HER-25-02

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-5)

Leviathan · mo

#### Identity

- Hole ID: HER-25-02
- Project: Leviathan
- Commodity: mo
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 36
- Grade Unit: ppm
- Intercept: 15.5 m
- From: 316.75 m
- To: 332.23 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: HER-25-02:316.75-332.23
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table: 36 ppm mo. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for mo; intercept not scored.

Evidence · table

> 36

Context: HER-25-02

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-6)

Leviathan · copper

#### Identity

- Hole ID: AND
- Project: Leviathan
- Commodity: copper
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 0.61
- Grade Unit: %
- Intercept: 385.9 m
- From: 434.34 m
- To: 820.25 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: AND:434.34-820.25
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 0.61 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 235.4 %·m is strong.

- Positive factor: 0.61 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.61

Context: AND

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-7)

Leviathan · silver

#### Identity

- Hole ID: AND
- Project: Leviathan
- Commodity: silver
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 3
- Grade Unit: g/t
- Intercept: 385.9 m
- From: 434.34 m
- To: 820.25 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: AND:434.34-820.25
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 3 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1157.7 g/t·m is moderate \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 3.0

Context: AND

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-8)

Leviathan · mo

#### Identity

- Hole ID: AND
- Project: Leviathan
- Commodity: mo
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 77
- Grade Unit: ppm
- Intercept: 385.9 m
- From: 434.34 m
- To: 820.25 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: AND:434.34-820.25
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table: 77 ppm mo. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for mo; intercept not scored.

Evidence · table

> 77

Context: AND

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-9)

Leviathan · copper

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: copper
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 0.66
- Grade Unit: %
- Intercept: 345.9 m
- From: 440.44 m
- To: 786.38 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-786.38
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 0.66 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 228.3 %·m is strong.

- Positive factor: 0.66 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.66

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-10)

Leviathan · silver

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: silver
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 3.2
- Grade Unit: g/t
- Intercept: 345.9 m
- From: 440.44 m
- To: 786.38 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-786.38
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 3.2 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1106.9 g/t·m is moderate \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 3.2

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-11)

Leviathan · mo

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: mo
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 78
- Grade Unit: ppm
- Intercept: 345.9 m
- From: 440.44 m
- To: 786.38 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-786.38
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table: 78 ppm mo. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for mo; intercept not scored.

Evidence · table

> 78

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-12)

Leviathan · copper

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: copper
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 1.1
- Grade Unit: %
- Intercept: 126.5 m
- From: 440.44 m
- To: 566.93 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-566.93
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 139.2 %·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.1 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.10

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-13)

Leviathan · silver

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: silver
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 7
- Grade Unit: g/t
- Intercept: 126.5 m
- From: 440.44 m
- To: 566.93 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-566.93
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 7 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 885.5 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 7.0

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-14)

Leviathan · mo

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: mo
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 45
- Grade Unit: ppm
- Intercept: 126.5 m
- From: 440.44 m
- To: 566.93 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-566.93
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table: 45 ppm mo. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for mo; intercept not scored.

Evidence · table

> 45

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-15)

Leviathan · copper

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: copper
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 1.49
- Grade Unit: %
- Intercept: 80.8 m
- From: 440.44 m
- To: 521.21 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-521.21
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 1.49 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 120.4 %·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.49 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.49

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-16)

Leviathan · silver

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: silver
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 8.9
- Grade Unit: g/t
- Intercept: 80.8 m
- From: 440.44 m
- To: 521.21 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-521.21
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table. 8.9 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 719.1 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 8.9

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/hercules-metals-intersects-81-m-of-1-5-copper-within-346-m-of-0-66-copper-in-fir--856328b5-fde4-44cf-9108-46c24d3c0e0e#fact-drill-facts-17)

Leviathan · mo

#### Identity

- Hole ID: including
- Project: Leviathan
- Commodity: mo
- Region: usa\_id
- Reported Region: Idaho
- Ticker: BIG

#### Geometry

- Grade: 41
- Grade Unit: ppm
- Intercept: 80.8 m
- From: 440.44 m
- To: 521.21 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:440.44-521.21
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2025-09-17T00:00:00.000Z

Reasoning: Expanded from assay table: 41 ppm mo. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for mo; intercept not scored.

Evidence · table

> 41

Context: including

## 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.