Hercules Extends Copper Porphyry Discovery at Southern Flats Zone, Hercules Project, Idaho

Original announcement by orestocks on

Company
Hercules Metals Corp.
Ticker
BIG.V
Exchange
Unavailable
Region
Idaho
Primary commodity
Copper
Secondary commodities
Molybdenum, Silver, Gold
Document categories
Drill results
Extracted
2026-09-30 11:34:46 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Hercules Metals Corp. has reported a significant 287 m step-out drill intercept of 0.58% CuEq at the Southern Flats zone of the Hercules Project in Idaho. The results extend the copper porphyry discovery west of previous drilling and suggest potential continuity with the Leviathan system to the north.

Reasoning: The 287 m intercept at 0.58% CuEq represents a significant step-out extension of a known porphyry system, demonstrating scale and continuity.

Positive factors

  • Significant step-out extension of copper porphyry mineralization
  • Strong vertical continuity and large intercept width
  • Presence of bornite suggesting enrichment potential
  • QA/QC protocols and certified lab disclosed

Negative factors

  • True width not disclosed for the intercept

Facts used in scoring: 8

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: HER-26-01 is described as a 200 m step-out drill hole extending mineralization west of HER-25-25.

Evidence · text

“200 m Step-out Drill Hole”

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 laboratory (MSA Labs), certification (ISO 17025), and QA/QC methods (standards, duplicates, 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 explicitly 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”

Extracted facts

Stored fact records: 8. Some facts used in scoring do not have a stored record.

Drill Results (8)

HER-26-01Hercules · copperGrade: 0.43Grade Unit: %Intercept: 286.52 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
0.43
Grade Unit
%
Intercept
286.52 m
From
862.58 m
To
1149.1 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-1149.1
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.58
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Significant width and grade for a porphyry step-out.

Positive factors

  • Large width intercept in a porphyry system

Negative factors

  • Apparent width only

Evidence · table

“0.43”

Context: 286.52

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-26-01Hercules · molybdenumGrade: 158Grade Unit: ppmIntercept: 286.52 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
158
Grade Unit
ppm
Intercept
286.52 m
From
862.58 m
To
1149.1 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-1149.1
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.58
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Molybdenum byproduct in porphyry.

Evidence · table

“158”

Context: 286.52

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-26-01Hercules · silverGrade: 4Grade Unit: g/tIntercept: 286.52 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
4
Grade Unit
g/t
Intercept
286.52 m
From
862.58 m
To
1149.1 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-1149.1
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.58
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Silver byproduct.

Evidence · table

“4.0”

Context: 286.52

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-26-01Hercules · goldGrade: 0.03Grade Unit: g/tIntercept: 286.52 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
0.03
Grade Unit
g/t
Intercept
286.52 m
From
862.58 m
To
1149.1 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-1149.1
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.58
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Gold byproduct.

Evidence · table

“0.03”

Context: 286.52

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-26-01Hercules · copperGrade: 0.61Grade Unit: %Intercept: 65.54 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
copper
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
0.61
Grade Unit
%
Intercept
65.54 m
From
862.58 m
To
928.12 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-928.12
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.8
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Strong high-grade sub-interval within the main intercept.

Positive factors

  • High grade sub-interval

Evidence · table

“0.61”

Context: 65.54

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-26-01Hercules · molybdenumGrade: 89Grade Unit: ppmIntercept: 65.54 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
molybdenum
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
89
Grade Unit
ppm
Intercept
65.54 m
From
862.58 m
To
928.12 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-928.12
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Molybdenum byproduct.

Evidence · table

“89”

Context: 65.54

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-26-01Hercules · silverGrade: 11.3Grade Unit: g/tIntercept: 65.54 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
silver
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
11.3
Grade Unit
g/t
Intercept
65.54 m
From
862.58 m
To
928.12 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-928.12
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Silver byproduct.

Evidence · table

“11.3”

Context: 65.54

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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-26-01Hercules · goldGrade: 0.04Grade Unit: g/tIntercept: 65.54 mView all details
Link to this fact

Identity

Hole ID
HER-26-01
Project
Hercules
Commodity
gold
Region
usa_id
Reported Region
usa_id
Ticker
BIG.V

Geometry

Grade
0.04
Grade Unit
g/t
Intercept
65.54 m
From
862.58 m
To
928.12 m
Hole Depth
1258.82 m
Intercept Depth
862.58 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
HER-26-01:862.58-928.12
Mining Method
open_pit

Location

Location
Southern Flats
Easting
511250
Northing
4954900
Elevation
1246 m
Azimuth
270 °
Dip
-87.48 °
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
0.8
Metal Eq. Unit
% Cu-Eq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Gold byproduct.

Evidence · table

“0.04”

Context: 65.54

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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.