Osisko hits 4.7% copper beneath Gaspé workings
Original announcement by miningcom on
- Company
- Osisko Metals
- Ticker
- OM
- Exchange
- Unavailable
- Region
- Quebec
- Primary commodity
- Copper
- Secondary commodities
- Silver, Molybdenum
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-12 00:42:59 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Osisko Metals reported significant new drilling results at its Gaspé Copper project in Quebec, including a standout 28.5m intercept at 4.74% copper. The results demonstrate potential for higher-grade mineralization near historical underground workings and support the conversion of inferred resources.
Reasoning: Strong copper-silver intercepts extending mineralization depth, supporting resource growth potential.
Positive factors
- high-grade copper intercept
- extension of mineralization below historical zones
- infill drilling supporting resource upgrade
Facts used in scoring: 14
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 4.74% copper is exceptionally high for a porphyry-skarn system.
Evidence · text
“28.5 metres at 4.74% copper”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The release explicitly states new infill results are being used to upgrade resources.
Evidence · text
“Osisko is using the infill drilling to upgrade inferred resources”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document discusses the current resource status and recent updates.
Evidence · text
“Osisko released an updated resource that more than doubled copper metal content”
Extracted facts
Stored fact records: 14. Some facts used in scoring do not have a stored record.
Drill Results (8)
30-1228Gaspé · copperGrade: 0.85Grade Unit: %Intercept: 257 mView all detailsHide details
Identity
- Hole ID
- 30-1228
- Project
- Gaspé
- Commodity
- copper
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 0.85
- Grade Unit
- %
- Intercept
- 257 m
- From
- 33 m
- To
- 290 m
- Intercept Depth
- 33 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1228:33-290
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Moderate grade over a very wide interval.
Positive factors
- significant width
Evidence · text
“Standout hole 30-1228 cut about 257 metres grading 0.85% copper”
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"
30-1228Gaspé · silverGrade: 5.13Grade Unit: g/tIntercept: 257 mView all detailsHide details
Identity
- Hole ID
- 30-1228
- Project
- Gaspé
- Commodity
- silver
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 5.13
- Grade Unit
- g/t
- Intercept
- 257 m
- From
- 33 m
- To
- 290 m
- Intercept Depth
- 33 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1228:33-290
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Silver grade accompanies copper intercept.
Evidence · text
“5.13 grams silver per tonne”
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"
30-1228Gaspé · copperGrade: 4.74Grade Unit: %Intercept: 28.5 mView all detailsHide details
Identity
- Hole ID
- 30-1228
- Project
- Gaspé
- Commodity
- copper
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 4.74
- Grade Unit
- %
- Intercept
- 28.5 m
- From
- 200 m
- To
- 228.5 m
- Intercept Depth
- 200 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1228:200-228.5
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: High-grade copper intercept within a larger mineralized zone.
Positive factors
- exceptional grade
Evidence · text
“including a higher-grade 28.5 metres at 4.74% copper”
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"
30-1228Gaspé · silverGrade: 27.4Grade Unit: g/tIntercept: 28.5 mView all detailsHide details
Identity
- Hole ID
- 30-1228
- Project
- Gaspé
- Commodity
- silver
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 27.4
- Grade Unit
- g/t
- Intercept
- 28.5 m
- From
- 200 m
- To
- 228.5 m
- Intercept Depth
- 200 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1228:200-228.5
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: High silver grade associated with high-grade copper.
Positive factors
- strong silver grade
Evidence · text
“27.4 grams silver from about 200 metres downhole”
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"
30-1235Gaspé · copperGrade: 0.39Grade Unit: %Intercept: 258 mView all detailsHide details
Identity
- Hole ID
- 30-1235
- Project
- Gaspé
- Commodity
- copper
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 0.39
- Grade Unit
- %
- Intercept
- 258 m
- From
- 47 m
- To
- 305 m
- Intercept Depth
- 47 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1235:47-305
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Low grade over a wide interval.
Evidence · text
“hole 30-1235, which cut about 258 metres grading 0.39% copper”
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"
30-1235Gaspé · silverGrade: 3.6Grade Unit: g/tIntercept: 258 mView all detailsHide details
Identity
- Hole ID
- 30-1235
- Project
- Gaspé
- Commodity
- silver
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 3.6
- Grade Unit
- g/t
- Intercept
- 258 m
- From
- 47 m
- To
- 305 m
- Intercept Depth
- 47 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1235:47-305
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Low grade silver.
Evidence · text
“3.6 grams silver from 47 metres depth”
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"
30-1225Gaspé · copperGrade: 1.19Grade Unit: %Intercept: 6 mView all detailsHide details
Identity
- Hole ID
- 30-1225
- Project
- Gaspé
- Commodity
- copper
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 1.19
- Grade Unit
- %
- Intercept
- 6 m
- From
- 260 m
- To
- 266 m
- Intercept Depth
- 260 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1225:260-266
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Good grade but narrow interval.
Positive factors
- strong grade
Evidence · text
“hole 30-1225, which cut about 6 metres grading 1.19% copper”
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"
30-1225Gaspé · silverGrade: 6.1Grade Unit: g/tIntercept: 6 mView all detailsHide details
Identity
- Hole ID
- 30-1225
- Project
- Gaspé
- Commodity
- silver
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- OM
Geometry
- Grade
- 6.1
- Grade Unit
- g/t
- Intercept
- 6 m
- From
- 260 m
- To
- 266 m
- Intercept Depth
- 260 m
Classification
- Program
- mixed
- Sample Type
- drill
- Group ID
- 30-1225:260-266
- Mining Method
- underground
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Silver grade accompanies copper intercept.
Evidence · text
“6.1 grams silver from 260 metres depth”
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"
Resource Estimates (6)
indicatedGaspé Copper · copperTonnes: 1830000000Grade: 0.27Grade Unit: %Contained Metal: 10770000000Contained Unit: lbView all detailsHide details
Identity
- Project
- Gaspé Copper
- Commodity
- copper
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- OM
Resource scope
- Estimate type
- resource
- Resource group id
- resource:94e3b211eef761077f7c
- Deposit or zone
- Gaspé
- Mining method
- underground
- Material type
- mixed
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 1830000000
- Grade
- 0.27
- Grade Unit
- %
- Contained Metal
- 10770000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Large M&I copper resource.
Positive factors
- large scale resource
Evidence · text
“Gaspé is now estimated to hold 1.83 billion measured and indicated tonnes grading 0.27% copper”
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
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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 · molybdenumTonnes: 1830000000Grade: 0.017Grade Unit: %View all detailsHide details
Identity
- Project
- Gaspé Copper
- Commodity
- molybdenum
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- OM
Resource scope
- Estimate type
- resource
- Resource group id
- resource:94e3b211eef761077f7c
- Deposit or zone
- Gaspé
- Mining method
- underground
- Material type
- mixed
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 1830000000
- Grade
- 0.017
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Trace molybdenum byproduct.
Evidence · text
“0.017% molybdenum”
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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 · silverTonnes: 1830000000Grade: 1.57Grade Unit: g/tContained Metal: 92800000Contained Unit: ozView all detailsHide details
Identity
- Project
- Gaspé Copper
- Commodity
- silver
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- OM
Resource scope
- Estimate type
- resource
- Resource group id
- resource:94e3b211eef761077f7c
- Deposit or zone
- Gaspé
- Mining method
- underground
- Material type
- mixed
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 1830000000
- Grade
- 1.57
- Grade Unit
- g/t
- Contained Metal
- 92800000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Silver byproduct in M&I resource.
Evidence · text
“1.57 grams silver for 10.77 billion lb. copper, 673.2 million lb. molybdenum and 92.8 million oz. silver”
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
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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 · copperTonnes: 238800000Grade: 0.41Grade Unit: %Contained Metal: 2160000Contained Unit: lbView all detailsHide details
Identity
- Project
- Gaspé Copper
- Commodity
- copper
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- OM
Resource scope
- Estimate type
- resource
- Resource group id
- resource:3acb3f41d583c0080715
- Deposit or zone
- Gaspé
- Mining method
- underground
- Material type
- mixed
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 238800000
- Grade
- 0.41
- Grade Unit
- %
- Contained Metal
- 2160000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Inferred resource component.
Evidence · text
“Inferred resources were pegged at 238.8 million tonnes grading 0.41% copper”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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 · molybdenumTonnes: 238800000Grade: 0.016Grade Unit: %View all detailsHide details
Identity
- Project
- Gaspé Copper
- Commodity
- molybdenum
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- OM
Resource scope
- Estimate type
- resource
- Resource group id
- resource:3acb3f41d583c0080715
- Deposit or zone
- Gaspé
- Mining method
- underground
- Material type
- mixed
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 238800000
- Grade
- 0.016
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Trace molybdenum byproduct.
Evidence · text
“0.016% molybdenum”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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 · silverTonnes: 238800000Grade: 1.88Grade Unit: g/tContained Metal: 14500000Contained Unit: ozView all detailsHide details
Identity
- Project
- Gaspé Copper
- Commodity
- silver
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- OM
Resource scope
- Estimate type
- resource
- Resource group id
- resource:3acb3f41d583c0080715
- Deposit or zone
- Gaspé
- Mining method
- underground
- Material type
- mixed
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 238800000
- Grade
- 1.88
- Grade Unit
- g/t
- Contained Metal
- 14500000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Silver byproduct in Inferred resource.
Evidence · text
“14.5 million oz. silver”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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.