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
- 2026-08-26 02:40:13 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Osisko Metals has filed a NI 43-101 Technical Report for the Gaspé Copper Project in Quebec, featuring an updated 2026 Mineral Resource Estimate. The estimate includes 1,834.2 Mt of M&I and Inferred resources at 0.32% CuEq, supported by independent Qualified Persons.
Reasoning: The filing of a formal NI 43-101 Technical Report with an updated MRE provides high-confidence geological data for a large-scale copper project.
Positive factors
- Significant resource scale
- QP/CP signed
- NI 43-101 compliant
- Detailed CuEq assumptions disclosed
Negative factors
- Large Inferred component
Facts used in scoring: 15

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 a formal NI 43-101 Technical Report filed on SEDAR+.
Evidence · text
“Osisko Metals Files NI 43-101 Technical Report”
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 (P.Geo and P.Eng) 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 explicitly stated.
Evidence · text
“base-case cut-off grade of 0.16% copper equivalent (" CuEq ")”
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 in the Inferred category.
Evidence · text
“The quantity and grade of reported inferred mineral resources are uncertain in nature”
Extracted facts
Stored fact records: 15. Some facts used in scoring do not have a stored record.
Resource Estimates (15)
measuredcopperTonnes: 136500000Grade: 1128Grade Unit: m lbsContained Metal: 512Contained Unit: ktView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- OM
Resource Data
- Category
- measured
- Tonnes
- 136500000
- Grade
- 1128
- Grade Unit
- m lbs
- Contained Metal
- 512
- Contained Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Measured resource component of the updated MRE.
Evidence · table
“1,128”
Context: 136.5
measuredmolybdenumTonnes: 136500000Grade: 0.014Grade Unit: %View all detailsHide details
Identity
- Commodity
- molybdenum
- Ticker
- OM
Resource Data
- Category
- measured
- Tonnes
- 136500000
- Grade
- 0.014
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Byproduct molybdenum in measured category.
Evidence · table
“0.014”
Context: 136.5
measuredsilverTonnes: 136500000Grade: 8.7Grade Unit: mozView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- OM
Resource Data
- Category
- measured
- Tonnes
- 136500000
- Grade
- 8.7
- Grade Unit
- moz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Byproduct silver in measured category.
Evidence · table
“8.7”
Context: 136.5
indicatedcopperTonnes: 1697700000Grade: 9639Grade Unit: m lbsContained Metal: 4373Contained Unit: ktView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- OM
Resource Data
- Category
- indicated
- Tonnes
- 1697700000
- Grade
- 9639
- Grade Unit
- m lbs
- Contained Metal
- 4373
- Contained Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Indicated resource component of the updated MRE.
Evidence · table
“9,639”
Context: 1,697.7
indicatedmolybdenumTonnes: 1697700000Grade: 0.017Grade Unit: %View all detailsHide details
Identity
- Commodity
- molybdenum
- Ticker
- OM
Resource Data
- Category
- indicated
- Tonnes
- 1697700000
- Grade
- 0.017
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Byproduct molybdenum in indicated category.
Evidence · table
“0.017”
Context: 1,697.7
indicatedsilverTonnes: 1697700000Grade: 84.1Grade Unit: mozView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- OM
Resource Data
- Category
- indicated
- Tonnes
- 1697700000
- Grade
- 84.1
- Grade Unit
- moz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Byproduct silver in indicated category.
Evidence · table
“84.1”
Context: 1,697.7
inferredcopperTonnes: 238800000Grade: 2158Grade Unit: m lbsContained Metal: 979Contained Unit: ktView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- OM
Resource Data
- Category
- inferred
- Tonnes
- 238800000
- Grade
- 2158
- Grade Unit
- m lbs
- Contained Metal
- 979
- Contained Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Inferred resource component of the updated MRE.
Negative factors
- Inferred category uncertainty
Evidence · table
“2,158”
Context: 238.8
inferredmolybdenumTonnes: 238800000Grade: 0.016Grade Unit: %View all detailsHide details
Identity
- Commodity
- molybdenum
- Ticker
- OM
Resource Data
- Category
- inferred
- Tonnes
- 238800000
- Grade
- 0.016
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Byproduct molybdenum in inferred category.
Evidence · table
“0.016”
Context: 238.8
inferredsilverTonnes: 238800000Grade: 14.5Grade Unit: mozView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- OM
Resource Data
- Category
- inferred
- Tonnes
- 238800000
- Grade
- 14.5
- Grade Unit
- moz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Byproduct silver in inferred category.
Evidence · table
“14.5”
Context: 238.8
measuredmoTonnes: 136500000Grade: 19Grade Unit: ktView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- OM
Resource Data
- Category
- measured
- Tonnes
- 136500000
- Grade
- 19
- Grade Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Measured resource component of the updated MRE. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“19”
Context: 136.5
indicatedmoTonnes: 1697700000Grade: 286.4Grade Unit: ktView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- OM
Resource Data
- Category
- indicated
- Tonnes
- 1697700000
- Grade
- 286.4
- Grade Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Indicated resource component of the updated MRE. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“286.4”
Context: 1,697.7
indicatedcopperTonnes: 1834200000Grade: 10766Grade Unit: m lbsContained Metal: 4883Contained Unit: ktView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- OM
Resource Data
- Category
- indicated
- Tonnes
- 1834200000
- Grade
- 10766
- Grade Unit
- m lbs
- Contained Metal
- 4883
- Contained Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Indicated resource component of the updated MRE. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“10,766”
Context: 1,834.2
indicatedmoTonnes: 1834200000Grade: 305.4Grade Unit: ktView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- OM
Resource Data
- Category
- indicated
- Tonnes
- 1834200000
- Grade
- 305.4
- Grade Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Indicated resource component of the updated MRE. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“305.4”
Context: 1,834.2
indicatedsilverTonnes: 1834200000Grade: 92.8Grade Unit: mozView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- OM
Resource Data
- Category
- indicated
- Tonnes
- 1834200000
- Grade
- 92.8
- Grade Unit
- moz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Indicated resource component of the updated MRE. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“92.8”
Context: 1,834.2
inferredmoTonnes: 238800000Grade: 37.6Grade Unit: ktView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- OM
Resource Data
- Category
- inferred
- Tonnes
- 238800000
- Grade
- 37.6
- Grade Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-29T00:00:00.000Z
Reasoning: Inferred resource component of the updated MRE. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Inferred category uncertainty
Evidence · table
“37.6”
Context: 238.8
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.