Osisko Metals Files NI 43-101 Technical Report for the Gaspé Copper Project

Original announcement by tmx on

Company
Osisko Metals Incorporated
Ticker
OM
Exchange
TSX
Region
Quebec, Canada
Primary commodity
Copper
Secondary commodities
Molybdenum, Silver
Document categories
Resource update
Extracted
2026-09-18 14:47:06 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Osisko Metals has filed a NI 43-101 Technical Report providing an updated Mineral Resource Estimate for the Copper Mountain deposit at the Gaspé Copper Project in Quebec. The 2026 MRE reports a total M&I resource of 1,834.2 Mt at 0.32% CuEq, supported by independent Qualified Persons.

Reasoning: The announcement of an updated 1.83 Bt M&I copper resource at the Gaspé Copper Project represents a significant scale update for the company, supported by a formal NI 43-101 technical report.

Positive factors

  • Significant scale of M&I resource (1.83 Bt)
  • High confidence in Measured and Indicated categories
  • NI 43-101 compliant with independent QP sign-off
  • Strategic location with existing infrastructure

Negative factors

  • Large Inferred component (238.8 Mt)
  • No economic study/evaluation produced yet

Facts used in scoring: 12

Classification and evidence

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The report is explicitly stated to be prepared in accordance with NI 43-101 standards.

Evidence · text

“in accordance with National Instrument 43-101”

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: Three independent Qualified Persons (Pierre-Luc Richard, François Le Moal, and Christian Laroche) are named and responsible for the report.

Evidence · text

“All three qualified persons are "independent" of the Company”

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The base-case cut-off grade of 0.16% CuEq is clearly stated.

Evidence · text

“reported at a base-case cut-off grade of 0.16% copper equivalent”

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: A significant portion of the resource is classified as Inferred.

Evidence · text

“The quantity and grade of reported inferred mineral resources are uncertain in nature”

Resource Updateneutral

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

Why it applies: The source explicitly discloses a revised resource estimate

Evidence · text

“Updated Mineral Resource Estimate”

Extracted facts

Stored fact records: 12. Some facts used in scoring do not have a stored record.

Resource Estimates (12)

measuredGaspé Copper Project · copperTonnes: 136500000Grade: 1128Grade Unit: m lbsContained Metal: 512Contained Unit: ktView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
copper
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:1cbe309a95fe12c08649
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
measured
Tonnes
136500000
Grade
1128
Grade Unit
m lbs
Contained Metal
512
Contained Unit
kt
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.42
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Measured resource intercept for copper.

Evidence · table

“1,128”

Context: 136.5

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

measuredGaspé Copper Project · molybdenumTonnes: 136500000View all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
molybdenum
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:1cbe309a95fe12c08649
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
measured
Tonnes
136500000
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.42
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Measured resource intercept for molybdenum.

Evidence · table

“19”

Context: 136.5

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

measuredGaspé Copper Project · silverTonnes: 136500000Grade: 1.98Grade Unit: g/tContained Metal: 8.7Contained Unit: mozView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
silver
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:1cbe309a95fe12c08649
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
measured
Tonnes
136500000
Grade
1.98
Grade Unit
g/t
Contained Metal
8.7
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.42
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Measured resource intercept for silver.

Evidence · table

“1.98”

Context: 136.5

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedGaspé Copper Project · copperTonnes: 1697700000Grade: 9639Grade Unit: m lbsContained Metal: 4373Contained Unit: ktView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
copper
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:9f4474a42a206ba1bb1b
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
1697700000
Grade
9639
Grade Unit
m lbs
Contained Metal
4373
Contained Unit
kt
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.32
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Indicated resource intercept for copper.

Evidence · table

“9,639”

Context: 1,697.7

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedGaspé Copper Project · molybdenumTonnes: 1697700000View all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
molybdenum
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:9f4474a42a206ba1bb1b
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
1697700000
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.32
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Indicated resource intercept for molybdenum.

Evidence · table

“286.4”

Context: 1,697.7

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedGaspé Copper Project · silverTonnes: 1697700000Grade: 1.54Grade Unit: g/tContained Metal: 84.1Contained Unit: mozView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
silver
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:9f4474a42a206ba1bb1b
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
1697700000
Grade
1.54
Grade Unit
g/t
Contained Metal
84.1
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.32
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Indicated resource intercept for silver.

Evidence · table

“1.54”

Context: 1,697.7

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredGaspé Copper Project · copperTonnes: 238800000Grade: 2158Grade Unit: m lbsContained Metal: 979Contained Unit: ktView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
copper
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:aa23b489bf4eebd2c95d
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
238800000
Grade
2158
Grade Unit
m lbs
Contained Metal
979
Contained Unit
kt
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.46
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Inferred resource intercept for copper.

Evidence · table

“2,158”

Context: 238.8

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredGaspé Copper Project · molybdenumTonnes: 238800000View all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
molybdenum
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:aa23b489bf4eebd2c95d
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
238800000
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.46
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Inferred resource intercept for molybdenum.

Evidence · table

“37.6”

Context: 238.8

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredGaspé Copper Project · silverTonnes: 238800000Grade: 1.88Grade Unit: g/tContained Metal: 14.5Contained Unit: mozView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
silver
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:aa23b489bf4eebd2c95d
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
238800000
Grade
1.88
Grade Unit
g/t
Contained Metal
14.5
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.46
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Inferred resource intercept for silver.

Evidence · table

“1.88”

Context: 238.8

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedGaspé Copper Project · copperTonnes: 1834200000Grade: 10766Grade Unit: m lbsContained Metal: 4883Contained Unit: ktView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
copper
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:011afea55bbb8eeee5c2
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
1834200000
Grade
10766
Grade Unit
m lbs
Contained Metal
4883
Contained Unit
kt
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.32
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Indicated resource intercept for copper. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“10,766”

Context: 1,834.2

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedGaspé Copper Project · molybdenumTonnes: 1834200000View all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
molybdenum
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:011afea55bbb8eeee5c2
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
1834200000
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.32
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Indicated resource intercept for copper. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“305.4”

Context: 1,834.2

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedGaspé Copper Project · silverTonnes: 1834200000Grade: 1.57Grade Unit: g/tContained Metal: 92.8Contained Unit: mozView all details
Link to this fact

Identity

Project
Gaspé Copper Project
Commodity
silver
Region
canada_qc
Reported Region
Quebec, Canada
Ticker
OM

Resource scope

Estimate type
resource
Effective date
2026-01-17T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Pierre-Luc Richard, François Le Moal, Christian Laroche
Resource group id
resource:011afea55bbb8eeee5c2
Deposit or zone
Copper Mountain
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
1834200000
Grade
1.57
Grade Unit
g/t
Contained Metal
92.8
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2026-01-17

Metal Equivalent

Metal Eq. Grade
0.32
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-29T00:00:00.000Z

Reasoning: Indicated resource intercept for copper. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“1.57”

Context: 1,834.2

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

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.