Drilling at Mount Polley Intersects 11.0 Metres Grading 4.43% Copper, 1.53 g/t Gold and 41.7 g/t Silver

Original announcement by tmx on

Company
Imperial Metals Corporation
Ticker
III
Exchange
TSX
Region
British Columbia
Primary commodity
Copper
Secondary commodities
Gold, Silver
Document categories
Drill results, Resource update
Extracted
2026-09-12 07:31:33 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Imperial Metals Corporation reported initial results from its 2025 Phase 2 drill program at Mount Polley, with the first hole, WB-25-268, intersecting multiple high-grade zones. The highlight was 11.0 metres grading 4.43% copper, 1.53 g/t gold, and 41.7 g/t silver, confirming continuity of a high-grade zone beneath the Wight Pit. The program aims to expand mineralization and test depth extensions, with results from the remaining eight holes pending. The document also restates the Martel zone Underground Indicated Resource from January 1, 2025.

Reasoning: Drill hole WB-25-268 at Mount Polley intersected a significant high-grade zone of 11.0 metres grading 4.43% copper, 1.53 g/t gold, and 41.7 g/t silver, which is exceptional for a porphyry deposit, confirming and extending mineralization beneath the Wight Pit. The program aims to expand and define high-grade zones.

Positive factors

  • Exceptional copper, gold, and silver grades in headline intercept
  • Multiple high-grade zones intersected in a single hole
  • Confirms continuity of known high-grade mineralization

Negative factors

  • Only apparent width reported for intercepts
  • Results from only one hole reported, with eight holes pending

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

Facts used in scoring: 36

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The intercept of 11.0 metres grading 4.43% copper, 1.53 g/t gold, and 41.7 g/t silver is exceptionally high-grade for a porphyry system.

Evidence · text

“11.0 metres with a grade of 4.43% copper, 1.53 g/t gold and 41.7 g/t silver”

QA/QC Disclosedpositive

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

Why it applies: The release states that Jim Miller-Tait, P.Geo., reviewed the news release as QP, samples were analyzed at Activation Laboratories Ltd., and a full QA/QC program using blanks, standards and duplicates was completed.

Evidence · text

“Jim Miller-Tait, P.Geo., Imperial’s VP Exploration, has reviewed this news release as the designated Qualified Person as defined by National Instrument 43-101 for the Mount Polley exploration program. Samples reported were analyzed at Activation Laboratories Ltd. located in Kamloops. A full QA/QC program using blanks, standards and duplicates was completed for all diamond drilling samples submitted to the labs.”

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 document explicitly states that 'Significant assay intervals reported represent apparent widths. Insufficient geological information is available to confirm the geological model and true width of significant assay intervals.'

Evidence · text

“Significant assay intervals reported represent apparent widths. Insufficient geological information is available to confirm the geological model and true width of significant assay intervals.”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The goal of drill hole WB-25-268 was to 'test the continuity and further define the high-grade zone' beneath the Wight Pit, which is characteristic of infill drilling.

Evidence · text

“The goal of drill hole WB-25-268 was to test the continuity and further define the high-grade zone”

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: Table 2 explicitly defines the Martel zone as an 'Underground Indicated Resource'.

Evidence · table

“Underground”

Context: Martel

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: The Martel zone resource estimate has an effective date of January 1, 2025, but is reported in a January 22, 2026 release, making it over a year old.

Evidence · text

“Mount Polley Martel Underground Indicated Resource at January 1, 2025”

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document includes a section detailing the 'Martel zone Underground Resource' with tonnage and grades, indicating a resource update or restatement.

Evidence · text

“The Martel zone has previously been defined as an underground resource (See Table 2).”

Extracted facts

Stored fact records: 36. Some facts used in scoring do not have a stored record.

Drill Results (33)

WB-25-268Mount Polley · copperGrade: 3.58Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
3.58
Grade Unit
%
Intercept
1.5 m
From
254.6 m
To
256.1 m
Intercept Depth
254.6 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:254.6-256.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a strong copper grade over a narrow width, contributing to the overall mineralization in the hole.

Positive factors

  • Strong copper grade

Negative factors

  • Narrow intercept width
  • Apparent width only

Evidence · table

“3.58”

Context: 1.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · goldGrade: 0.07Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.07
Grade Unit
g/t
Intercept
1.5 m
From
254.6 m
To
256.1 m
Intercept Depth
254.6 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:254.6-256.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: The gold grade in this narrow intercept is low, contributing minimally to the overall economic potential of this specific interval.

Negative factors

  • Low gold grade
  • Narrow intercept width
  • Apparent width only

Evidence · table

“0.07”

Context: 1.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · silverGrade: 13.6Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
13.6
Grade Unit
g/t
Intercept
1.5 m
From
254.6 m
To
256.1 m
Intercept Depth
254.6 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:254.6-256.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This narrow intercept shows a moderate silver grade, adding to the polymetallic nature of the mineralization.

Positive factors

  • Moderate silver grade

Negative factors

  • Narrow intercept width
  • Apparent width only

Evidence · table

“13.6”

Context: 1.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · copperGrade: 3.71Grade Unit: %Intercept: 9.6 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
3.71
Grade Unit
%
Intercept
9.6 m
From
272.5 m
To
282.1 m
Intercept Depth
272.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:272.5-282.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a strong copper grade over a good width, indicating significant mineralization above the primary target zone.

Positive factors

  • Strong copper grade
  • Good intercept width

Negative factors

  • Apparent width only

Evidence · table

“3.71”

Context: 9.6

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · goldGrade: 0.42Grade Unit: g/tIntercept: 9.6 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.42
Grade Unit
g/t
Intercept
9.6 m
From
272.5 m
To
282.1 m
Intercept Depth
272.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:272.5-282.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a moderate gold grade over a good width, contributing positively to the overall polymetallic nature of the mineralization.

Positive factors

  • Moderate gold grade
  • Good intercept width

Negative factors

  • Apparent width only

Evidence · table

“0.42”

Context: 9.6

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · silverGrade: 9.89Grade Unit: g/tIntercept: 9.6 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
9.89
Grade Unit
g/t
Intercept
9.6 m
From
272.5 m
To
282.1 m
Intercept Depth
272.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:272.5-282.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a moderate silver grade over a good width, adding to the overall polymetallic mineralization.

Positive factors

  • Moderate silver grade

Negative factors

  • Apparent width only

Evidence · table

“9.89”

Context: 9.6

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · copperGrade: 4.43Grade Unit: %Intercept: 11 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
4.43
Grade Unit
%
Intercept
11 m
From
304.4 m
To
315.4 m
Intercept Depth
304.4 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:304.4-315.4
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This is an exceptional copper intercept over a good width, representing the primary target zone and confirming high-grade mineralization continuity.

Positive factors

  • Exceptional copper grade
  • Good intercept width
  • Confirms continuity of high-grade zone

Negative factors

  • Apparent width only

Evidence · table

“4.43”

Context: 11.0

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · goldGrade: 1.53Grade Unit: g/tIntercept: 11 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
1.53
Grade Unit
g/t
Intercept
11 m
From
304.4 m
To
315.4 m
Intercept Depth
304.4 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:304.4-315.4
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This is an exceptional gold intercept over a good width, significantly enhancing the economic potential of the primary target zone.

Positive factors

  • Exceptional gold grade
  • Good intercept width
  • Confirms continuity of high-grade zone

Negative factors

  • Apparent width only

Evidence · table

“1.53”

Context: 11.0

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · silverGrade: 41.7Grade Unit: g/tIntercept: 11 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
41.7
Grade Unit
g/t
Intercept
11 m
From
304.4 m
To
315.4 m
Intercept Depth
304.4 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:304.4-315.4
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This is a strong silver intercept over a good width, significantly contributing to the polymetallic value of the primary target zone.

Positive factors

  • Strong silver grade
  • Good intercept width
  • Confirms continuity of high-grade zone

Negative factors

  • Apparent width only

Evidence · table

“41.7”

Context: 11.0

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · copperGrade: 1.16Grade Unit: %Intercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
1.16
Grade Unit
%
Intercept
6.1 m
From
414.6 m
To
420.7 m
Intercept Depth
414.6 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:414.6-420.7
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a strong copper grade over a moderate width, indicating further mineralization at depth.

Positive factors

  • Strong copper grade
  • Moderate intercept width

Negative factors

  • Apparent width only

Evidence · table

“1.16”

Context: 6.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · goldGrade: 0.36Grade Unit: g/tIntercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.36
Grade Unit
g/t
Intercept
6.1 m
From
414.6 m
To
420.7 m
Intercept Depth
414.6 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:414.6-420.7
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a moderate gold grade over a moderate width, adding to the overall polymetallic mineralization at depth.

Positive factors

  • Moderate gold grade

Negative factors

  • Apparent width only

Evidence · table

“0.36”

Context: 6.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · silverGrade: 7Grade Unit: g/tIntercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
7
Grade Unit
g/t
Intercept
6.1 m
From
414.6 m
To
420.7 m
Intercept Depth
414.6 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:414.6-420.7
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a low silver grade over a moderate width, contributing to the overall polymetallic mineralization but with limited individual impact.

Negative factors

  • Low silver grade
  • Apparent width only

Evidence · table

“7.0”

Context: 6.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · copperGrade: 0.6Grade Unit: %Intercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.6
Grade Unit
%
Intercept
32.5 m
From
467.5 m
To
500 m
Intercept Depth
467.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:467.5-500
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a moderate copper grade over a significant width, indicating a broad zone of mineralization at depth.

Positive factors

  • Strong intercept width
  • Moderate copper grade

Negative factors

  • Apparent width only

Evidence · table

“0.60”

Context: 32.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · goldGrade: 0.28Grade Unit: g/tIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.28
Grade Unit
g/t
Intercept
32.5 m
From
467.5 m
To
500 m
Intercept Depth
467.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:467.5-500
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a moderate gold grade over a significant width, contributing to the overall polymetallic mineralization in a broad zone.

Positive factors

  • Strong intercept width
  • Moderate gold grade

Negative factors

  • Apparent width only

Evidence · table

“0.28”

Context: 32.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · silverGrade: 4.4Grade Unit: g/tIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
4.4
Grade Unit
g/t
Intercept
32.5 m
From
467.5 m
To
500 m
Intercept Depth
467.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:467.5-500
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a low silver grade over a significant width, contributing to the overall polymetallic mineralization but with limited individual impact.

Positive factors

  • Strong intercept width

Negative factors

  • Low silver grade
  • Apparent width only

Evidence · table

“4.4”

Context: 32.5

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · copperGrade: 0.97Grade Unit: %Intercept: 15 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.97
Grade Unit
%
Intercept
15 m
From
542.5 m
To
557.5 m
Intercept Depth
542.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:542.5-557.5
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a strong copper grade over a good width, indicating continued mineralization at greater depths.

Positive factors

  • Strong copper grade
  • Good intercept width

Negative factors

  • Apparent width only

Evidence · table

“0.97”

Context: 15.0

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · goldGrade: 0.63Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.63
Grade Unit
g/t
Intercept
15 m
From
542.5 m
To
557.5 m
Intercept Depth
542.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:542.5-557.5
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a strong gold grade over a good width, contributing significantly to the polymetallic mineralization at greater depths.

Positive factors

  • Strong gold grade
  • Good intercept width

Negative factors

  • Apparent width only

Evidence · table

“0.63”

Context: 15.0

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

WB-25-268Mount Polley · silverGrade: 8.8Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
WB-25-268
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
8.8
Grade Unit
g/t
Intercept
15 m
From
542.5 m
To
557.5 m
Intercept Depth
542.5 m

Classification

Program
mixed
Sample Type
drill
Group ID
WB-25-268:542.5-557.5
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This intercept shows a moderate silver grade over a good width, adding to the overall polymetallic mineralization at greater depths.

Positive factors

  • Good intercept width

Negative factors

  • Moderate silver grade
  • Apparent width only

Evidence · table

“8.8”

Context: 15.0

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

andMount Polley · copperGrade: 3.71Grade Unit: %Intercept: 9.6 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
3.71
Grade Unit
%
Intercept
9.6 m
From
272.5 m
To
282.1 m
Intercept Depth
272.5 m

Classification

Sample Type
drill
Group ID
and:272.5-282.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 3.71 % copper is exceptional against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 35.6 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 3.71 % copper is exceptional on the default band.

Negative factors

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

Evidence · table

“3.71”

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

andMount Polley · goldGrade: 0.42Grade Unit: g/tIntercept: 9.6 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.42
Grade Unit
g/t
Intercept
9.6 m
From
272.5 m
To
282.1 m
Intercept Depth
272.5 m

Classification

Sample Type
drill
Group ID
and:272.5-282.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 0.42 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 4.0 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

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

Evidence · table

“0.42”

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

andMount Polley · silverGrade: 9.89Grade Unit: g/tIntercept: 9.6 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
9.89
Grade Unit
g/t
Intercept
9.6 m
From
272.5 m
To
282.1 m
Intercept Depth
272.5 m

Classification

Sample Type
drill
Group ID
and:272.5-282.1
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 9.89 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 94.9 g/t·m is below.

Negative factors

  • 9.89 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

“9.89”

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

andMount Polley · copperGrade: 4.43Grade Unit: %Intercept: 11 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
4.43
Grade Unit
%
Intercept
11 m
From
304.4 m
To
315.4 m
Intercept Depth
304.4 m

Classification

Sample Type
drill
Group ID
and:304.4-315.4
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 4.43 % copper is exceptional against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 48.7 %·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 4.43 % copper is exceptional on the default band.

Negative factors

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

Evidence · table

“4.43”

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

andMount Polley · goldGrade: 1.53Grade Unit: g/tIntercept: 11 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
1.53
Grade Unit
g/t
Intercept
11 m
From
304.4 m
To
315.4 m
Intercept Depth
304.4 m

Classification

Sample Type
drill
Group ID
and:304.4-315.4
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 1.53 g/t gold is moderate against the default band [5, 2, 1, 0.3] g/t. Grade×width 16.8 g/t·m is weak (grade alone is moderate; the better of the two is used).

Negative factors

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

Evidence · table

“1.53”

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

andMount Polley · silverGrade: 41.7Grade Unit: g/tIntercept: 11 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
41.7
Grade Unit
g/t
Intercept
11 m
From
304.4 m
To
315.4 m
Intercept Depth
304.4 m

Classification

Sample Type
drill
Group ID
and:304.4-315.4
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 41.7 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 458.7 g/t·m is weak.

Negative factors

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

Evidence · table

“41.7”

Context: and

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andMount Polley · copperGrade: 1.16Grade Unit: %Intercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
1.16
Grade Unit
%
Intercept
6.1 m
From
414.6 m
To
420.7 m
Intercept Depth
414.6 m

Classification

Sample Type
drill
Group ID
and:414.6-420.7
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 1.16 % copper is strong against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 7.1 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 1.16 % copper is strong on the default band.

Negative factors

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

Evidence · table

“1.16”

Context: and

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andMount Polley · goldGrade: 0.36Grade Unit: g/tIntercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.36
Grade Unit
g/t
Intercept
6.1 m
From
414.6 m
To
420.7 m
Intercept Depth
414.6 m

Classification

Sample Type
drill
Group ID
and:414.6-420.7
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 0.36 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 2.2 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

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

Evidence · table

“0.36”

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

andMount Polley · silverGrade: 7Grade Unit: g/tIntercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
7
Grade Unit
g/t
Intercept
6.1 m
From
414.6 m
To
420.7 m
Intercept Depth
414.6 m

Classification

Sample Type
drill
Group ID
and:414.6-420.7
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 7 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 42.7 g/t·m is below.

Negative factors

  • 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

“7.0”

Context: and

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andMount Polley · copperGrade: 0.6Grade Unit: %Intercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.6
Grade Unit
%
Intercept
32.5 m
From
467.5 m
To
500 m
Intercept Depth
467.5 m

Classification

Sample Type
drill
Group ID
and:467.5-500
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % copper is moderate against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 19.5 %·m is below (grade alone is moderate; the better of the two is used).

Negative factors

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

Evidence · table

“0.60”

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

andMount Polley · goldGrade: 0.28Grade Unit: g/tIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.28
Grade Unit
g/t
Intercept
32.5 m
From
467.5 m
To
500 m
Intercept Depth
467.5 m

Classification

Sample Type
drill
Group ID
and:467.5-500
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 0.28 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 9.1 g/t·m is below.

Negative factors

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

Evidence · table

“0.28”

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

andMount Polley · silverGrade: 4.4Grade Unit: g/tIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
4.4
Grade Unit
g/t
Intercept
32.5 m
From
467.5 m
To
500 m
Intercept Depth
467.5 m

Classification

Sample Type
drill
Group ID
and:467.5-500
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 4.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 143.0 g/t·m is below.

Negative factors

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

Evidence · table

“4.4”

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

andMount Polley · copperGrade: 0.97Grade Unit: %Intercept: 15 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.97
Grade Unit
%
Intercept
15 m
From
542.5 m
To
557.5 m
Intercept Depth
542.5 m

Classification

Sample Type
drill
Group ID
and:542.5-557.5
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 0.97 % copper is moderate against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 14.5 %·m is below (grade alone is moderate; the better of the two is used).

Negative factors

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

Evidence · table

“0.97”

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

andMount Polley · goldGrade: 0.63Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
0.63
Grade Unit
g/t
Intercept
15 m
From
542.5 m
To
557.5 m
Intercept Depth
542.5 m

Classification

Sample Type
drill
Group ID
and:542.5-557.5
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 0.63 g/t gold is weak against the default band [5, 2, 1, 0.3] g/t. Grade×width 9.4 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

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

Evidence · table

“0.63”

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

andMount Polley · silverGrade: 8.8Grade Unit: g/tIntercept: 15 mView all details
Link to this fact

Identity

Hole ID
and
Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
III

Geometry

Grade
8.8
Grade Unit
g/t
Intercept
15 m
From
542.5 m
To
557.5 m
Intercept Depth
542.5 m

Classification

Sample Type
drill
Group ID
and:542.5-557.5
Mining Method
unknown

QA/QC

Laboratory
Activation Laboratories Ltd.
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: Expanded from assay table. 8.8 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 132.0 g/t·m is below.

Negative factors

  • 8.8 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

“8.8”

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

Resource Estimates (3)

indicatedMount Polley · copperTonnes: 2272000Grade: 1.14Grade Unit: %Contained Metal: 57344000Contained Unit: lbsHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Mount Polley
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
III

Resource scope

Estimate type
resource
Effective date
2025-01-01T00:00:00.000Z
Resource group id
resource:2ba207681c1aa7f6ab28
Deposit or zone
Martel zone

Resource Data

Category
indicated
Tonnes
2272000
Grade
1.14
Grade Unit
%
Contained Metal
57344000
Contained Unit
lbs

Prior Estimate

Resource Date
2025-01-01

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-31T00:00:00.000Z

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This is a restatement of the Martel zone Underground Indicated Resource from January 1, 2025, sourced from the company's 2024 AIF, providing no new information.

Positive factors

  • Indicated resource category

Negative factors

  • Stale data (effective date January 1, 2025)
  • No new information, restatement of prior estimate

Evidence · table

“1.14”

Context: 2,272,000

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

indicatedMount Polley · goldTonnes: 2272000Grade: 0.3Grade Unit: g/tContained Metal: 22000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Mount Polley
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
III

Resource scope

Estimate type
resource
Effective date
2025-01-01T00:00:00.000Z
Resource group id
resource:2ba207681c1aa7f6ab28
Deposit or zone
Martel zone

Resource Data

Category
indicated
Tonnes
2272000
Grade
0.3
Grade Unit
g/t
Contained Metal
22000
Contained Unit
oz

Prior Estimate

Resource Date
2025-01-01

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-31T00:00:00.000Z

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This is a restatement of the Martel zone Underground Indicated Resource from January 1, 2025, sourced from the company's 2024 AIF, providing no new information.

Positive factors

  • Indicated resource category

Negative factors

  • Stale data (effective date January 1, 2025)
  • No new information, restatement of prior estimate

Evidence · table

“0.30”

Context: 2,272,000

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

indicatedMount Polley · silverTonnes: 2272000Grade: 7.2Grade Unit: g/tContained Metal: 526000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Mount Polley
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
III

Resource scope

Estimate type
resource
Effective date
2025-01-01T00:00:00.000Z
Resource group id
resource:2ba207681c1aa7f6ab28
Deposit or zone
Martel zone

Resource Data

Category
indicated
Tonnes
2272000
Grade
7.2
Grade Unit
g/t
Contained Metal
526000
Contained Unit
oz

Prior Estimate

Resource Date
2025-01-01

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-31T00:00:00.000Z

Dates

Event date
2026-01-23T00:00:00.000Z

Reasoning: This is a restatement of the Martel zone Underground Indicated Resource from January 1, 2025, sourced from the company's 2024 AIF, providing no new information.

Positive factors

  • Indicated resource category

Negative factors

  • Stale data (effective date January 1, 2025)
  • No new information, restatement of prior estimate

Evidence · table

“7.20”

Context: 2,272,000

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

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.