Selkirk Copper Announces Positive PEA for the Minto Project, Delivering After-Tax NPV of C$494M with 48% IRR
Original announcement by orestocks on
- Company
- Selkirk Copper Mines Inc.
- Ticker
- SCMI.V
- Exchange
- Unavailable
- Region
- Yukon, Canada
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Resource update, Production, Metallurgy
- Extracted
- 2026-09-22 12:18:47 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Selkirk Copper announced a positive Preliminary Economic Assessment (PEA) for its Minto Project, outlining robust after-tax economics with a C$494 million NPV7% and a 47.8% IRR at planning prices. The study highlights a 13-year mine life, leveraging existing infrastructure for a low-cost restart and targeting first concentrate production by H2 2028. The PEA is underpinned by a 2026 Mineral Resource Estimate showing significant increases in contained copper, gold, and silver, with further upside expected from an ongoing drill program.
Reasoning: The Preliminary Economic Assessment demonstrates robust economics for the Minto Project restart, driven by significant resource growth, existing infrastructure, and strong metallurgical performance, positioning the company for potential concentrate production by H2 2028. While the PEA includes inferred resources, the overall outlook is highly positive.
Positive factors
- Robust after-tax NPV and IRR at planning prices
- Leveraging existing infrastructure for capital efficiency
- Significant increase in Measured & Indicated Resources and contained metals
- High-grade copper-gold-silver concentrate with negligible deleterious elements
- Short after-tax payback period of 1.9 years
- Exploration upside potential beyond current study
- Positive metallurgical recoveries for copper, gold, and silver
- Strong community and government engagement for permitting
Negative factors
- PEA includes Inferred Mineral Resources, which are speculative
- Project economics are sensitive to commodity prices and CAD:USD exchange rate
- Timely delivery of several scopes of work required for restart plan
Facts used in scoring: 27
Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a mill_cil route ("concentrator")
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
Extracted facts
Stored fact records: 24. Some facts used in scoring do not have a stored record.
Resource Estimates (21)
indicatedMinto Project · copperTonnes: 21779000Grade: 0.59Grade Unit: %Contained Metal: 283Contained Unit: mlbsView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:ddd9d3dcc00d0764b289
- Deposit or zone
- Open Pit
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 21779000
- Grade
- 0.59
- Grade Unit
- %
- Contained Metal
- 283
- Contained Unit
- mlbs
- Cutoff Grade
- 30
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This indicated open pit copper resource contributes significantly to the overall project, demonstrating good confidence and scale.
Positive factors
- Indicated resource category provides good confidence
- Significant contained metal for open pit
- Part of a larger resource update with substantial growth
Evidence · table
“0.59”
Context: 21,779
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated”
Context: 21,779
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · goldTonnes: 21779000Grade: 0.17Grade Unit: g/tContained Metal: 122Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:ddd9d3dcc00d0764b289
- Deposit or zone
- Open Pit
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 21779000
- Grade
- 0.17
- Grade Unit
- g/t
- Contained Metal
- 122
- Contained Unit
- koz
- Cutoff Grade
- 30
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This indicated open pit gold resource adds value as a byproduct to the copper mineralization.
Positive factors
- Indicated resource category provides good confidence
- Contributes to overall project economics as a byproduct
Evidence · table
“0.17”
Context: 21,779
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated”
Context: 21,779
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · silverTonnes: 21779000Grade: 1.8Grade Unit: g/tContained Metal: 1294Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:ddd9d3dcc00d0764b289
- Deposit or zone
- Open Pit
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 21779000
- Grade
- 1.8
- Grade Unit
- g/t
- Contained Metal
- 1294
- Contained Unit
- koz
- Cutoff Grade
- 30
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This indicated open pit silver resource adds value as a byproduct to the copper mineralization.
Positive factors
- Indicated resource category provides good confidence
- Contributes to overall project economics as a byproduct
Evidence · table
“1.8”
Context: 21,779
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated”
Context: 21,779
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · copperTonnes: 7052000Grade: 0.55Grade Unit: %Contained Metal: 85Contained Unit: mlbsView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:5a09bbc0d3862d6cacd1
- Deposit or zone
- Open Pit
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 7052000
- Grade
- 0.55
- Grade Unit
- %
- Contained Metal
- 85
- Contained Unit
- mlbs
- Cutoff Grade
- 30
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This inferred open pit copper resource provides future potential but has lower confidence than indicated resources.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
Evidence · table
“0.55”
Context: 7,052
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 7,052
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · goldTonnes: 7052000Grade: 0.13Grade Unit: g/tContained Metal: 30Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:5a09bbc0d3862d6cacd1
- Deposit or zone
- Open Pit
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 7052000
- Grade
- 0.13
- Grade Unit
- g/t
- Contained Metal
- 30
- Contained Unit
- koz
- Cutoff Grade
- 30
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This inferred open pit gold resource provides future potential but has lower confidence than indicated resources.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
Evidence · table
“0.13”
Context: 7,052
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 7,052
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · silverTonnes: 7052000Grade: 1.6Grade Unit: g/tContained Metal: 354Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:5a09bbc0d3862d6cacd1
- Deposit or zone
- Open Pit
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 7052000
- Grade
- 1.6
- Grade Unit
- g/t
- Contained Metal
- 354
- Contained Unit
- koz
- Cutoff Grade
- 30
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This inferred open pit silver resource provides future potential but has lower confidence than indicated resources.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
Evidence · table
“1.6”
Context: 7,052
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 7,052
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredMinto Project · copperTonnes: 348000Grade: 0.92Grade Unit: %Contained Metal: 7Contained Unit: mlbsView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:9a6761c3c2791fe6185a
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- measured
- Tonnes
- 348000
- Grade
- 0.92
- Grade Unit
- %
- Contained Metal
- 7
- Contained Unit
- mlbs
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This measured underground copper resource provides high confidence for a portion of the project.
Positive factors
- Highest confidence category
- Contributes to overall resource base
Evidence · table
“0.92”
Context: 348
Tags used in scoring
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredMinto Project · goldTonnes: 348000Grade: 0.39Grade Unit: g/tContained Metal: 4Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:9a6761c3c2791fe6185a
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- measured
- Tonnes
- 348000
- Grade
- 0.39
- Grade Unit
- g/t
- Contained Metal
- 4
- Contained Unit
- koz
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This measured underground gold resource provides high confidence for a portion of the project.
Positive factors
- Highest confidence category
- Contributes to overall resource base
Evidence · table
“0.39”
Context: 348
Tags used in scoring
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredMinto Project · silverTonnes: 348000Grade: 3.3Grade Unit: g/tContained Metal: 36Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:9a6761c3c2791fe6185a
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- measured
- Tonnes
- 348000
- Grade
- 3.3
- Grade Unit
- g/t
- Contained Metal
- 36
- Contained Unit
- koz
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This measured underground silver resource provides high confidence for a portion of the project.
Positive factors
- Highest confidence category
- Contributes to overall resource base
Evidence · table
“3.3”
Context: 348
Tags used in scoring
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · copperTonnes: 25679000Grade: 1.15Grade Unit: %Contained Metal: 650Contained Unit: mlbsView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:5353c61abcea30d2e7a5
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 25679000
- Grade
- 1.15
- Grade Unit
- %
- Contained Metal
- 650
- Contained Unit
- mlbs
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This indicated underground copper resource contributes significantly to the overall project, demonstrating good confidence and scale.
Positive factors
- Indicated resource category provides good confidence
- Significant contained metal for underground
- Part of a larger resource update with substantial growth
Evidence · table
“1.15”
Context: 25,679
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated”
Context: 25,679
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · goldTonnes: 25679000Grade: 0.49Grade Unit: g/tContained Metal: 404Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:5353c61abcea30d2e7a5
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 25679000
- Grade
- 0.49
- Grade Unit
- g/t
- Contained Metal
- 404
- Contained Unit
- koz
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This indicated underground gold resource adds significant value as a byproduct to the copper mineralization.
Positive factors
- Indicated resource category provides good confidence
- Significant contained metal for underground
- Contributes to overall project economics as a byproduct
Evidence · table
“0.49”
Context: 25,679
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated”
Context: 25,679
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · silverTonnes: 25679000Grade: 4.4Grade Unit: g/tContained Metal: 3638Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:5353c61abcea30d2e7a5
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 25679000
- Grade
- 4.4
- Grade Unit
- g/t
- Contained Metal
- 3638
- Contained Unit
- koz
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This indicated underground silver resource adds significant value as a byproduct to the copper mineralization.
Positive factors
- Indicated resource category provides good confidence
- Significant contained metal for underground
- Contributes to overall project economics as a byproduct
Evidence · table
“4.4”
Context: 25,679
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated”
Context: 25,679
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · copperTonnes: 9812000Grade: 0.91Grade Unit: %Contained Metal: 196Contained Unit: mlbsView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:a218a56f4bec782ee231
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 9812000
- Grade
- 0.91
- Grade Unit
- %
- Contained Metal
- 196
- Contained Unit
- mlbs
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This inferred underground copper resource provides future potential but has lower confidence than indicated resources.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
Evidence · table
“0.91”
Context: 9,812
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 9,812
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · goldTonnes: 9812000Grade: 0.36Grade Unit: g/tContained Metal: 112Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:a218a56f4bec782ee231
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 9812000
- Grade
- 0.36
- Grade Unit
- g/t
- Contained Metal
- 112
- Contained Unit
- koz
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This inferred underground gold resource provides future potential but has lower confidence than indicated resources.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
Evidence · table
“0.36”
Context: 9,812
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 9,812
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · silverTonnes: 9812000Grade: 3.5Grade Unit: g/tContained Metal: 1113Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:a218a56f4bec782ee231
- Deposit or zone
- UG
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 9812000
- Grade
- 3.5
- Grade Unit
- g/t
- Contained Metal
- 1113
- Contained Unit
- koz
- Cutoff Grade
- 80
- Cutoff Unit
- CDN$
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This inferred underground silver resource provides future potential but has lower confidence than indicated resources.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
Evidence · table
“3.5”
Context: 9,812
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 9,812
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · copperTonnes: 47806000Grade: 0.89Grade Unit: %Contained Metal: 940Contained Unit: mlbsView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:bde1ca9a476392391c62
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 47806000
- Grade
- 0.89
- Grade Unit
- %
- Contained Metal
- 940
- Contained Unit
- mlbs
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The total Measured & Indicated copper resource shows substantial growth and forms a strong basis for the PEA.
Positive factors
- Significant increase in contained copper (182%)
- Indicated resource category provides good confidence
- Large overall resource base
Evidence · table
“0.89”
Context: 47,806
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The total resource is classified as Measured + Indicated, which is extracted as Indicated, indicating reasonable geological confidence.
Evidence · table
“Meas + Ind”
Context: 47,806
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · goldTonnes: 47806000Grade: 0.34Grade Unit: g/tContained Metal: 530Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:bde1ca9a476392391c62
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 47806000
- Grade
- 0.34
- Grade Unit
- g/t
- Contained Metal
- 530
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The total Measured & Indicated gold resource shows substantial growth and forms a strong basis for the PEA.
Positive factors
- Significant increase in contained gold (184%)
- Indicated resource category provides good confidence
- Large overall resource base
Evidence · table
“0.34”
Context: 47,806
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The total resource is classified as Measured + Indicated, which is extracted as Indicated, indicating reasonable geological confidence.
Evidence · table
“Meas + Ind”
Context: 47,806
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedMinto Project · silverTonnes: 47806000Grade: 3.2Grade Unit: g/tContained Metal: 4969Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:bde1ca9a476392391c62
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 47806000
- Grade
- 3.2
- Grade Unit
- g/t
- Contained Metal
- 4969
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The total Measured & Indicated silver resource shows substantial growth and forms a strong basis for the PEA.
Positive factors
- Significant increase in contained silver (188%)
- Indicated resource category provides good confidence
- Large overall resource base
Evidence · table
“3.2”
Context: 47,806
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The total resource is classified as Measured + Indicated, which is extracted as Indicated, indicating reasonable geological confidence.
Evidence · table
“Meas + Ind”
Context: 47,806
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · copperTonnes: 16865000Grade: 0.76Grade Unit: %Contained Metal: 281Contained Unit: mlbsView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:e9bf99105da9ee7132b4
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 16865000
- Grade
- 0.76
- Grade Unit
- %
- Contained Metal
- 281
- Contained Unit
- mlbs
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The total inferred copper resource provides future potential but has lower confidence and is included in the PEA economics.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
- PEA includes inferred resources, which are speculative
Evidence · table
“0.76”
Context: 16,865
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The total resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 16,865
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · goldTonnes: 16865000Grade: 0.26Grade Unit: g/tContained Metal: 142Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:e9bf99105da9ee7132b4
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 16865000
- Grade
- 0.26
- Grade Unit
- g/t
- Contained Metal
- 142
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The total inferred gold resource provides future potential but has lower confidence and is included in the PEA economics.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
- PEA includes inferred resources, which are speculative
Evidence · table
“0.26”
Context: 16,865
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The total resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 16,865
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredMinto Project · silverTonnes: 16865000Grade: 2.7Grade Unit: g/tContained Metal: 1467Contained Unit: kozView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sue Bird, Scott Fulton
- Resource group id
- resource:e9bf99105da9ee7132b4
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 16865000
- Grade
- 2.7
- Grade Unit
- g/t
- Contained Metal
- 1467
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The total inferred silver resource provides future potential but has lower confidence and is included in the PEA economics.
Positive factors
- Adds to overall resource base
- Potential for future upgrade
Negative factors
- Inferred category has lower geological confidence
- PEA includes inferred resources, which are speculative
Evidence · table
“2.7”
Context: 16,865
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The total resource is classified as Inferred, indicating lower geological confidence.
Evidence · table
“Inferred”
Context: 16,865
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Metallurgical Results (3)
flotationMinto Project · copperRecovery: 88.7 %Head Grade: 1.07Head Grade Unit: %View all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- copper
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- crushing, grinding, gravity, flotation, thickening, drying, filtration
Recovery
- Recovery
- 88.7 %
- Recovery Basis
- actual_test
- Head Grade
- 1.07
- Head Grade Unit
- %
- Conc. Grade
- 38
- Conc. Grade Unit
- %
Lab
- Laboratory
- Blue Coast Research
- Consultant
- Hatch Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The estimated copper recovery of 88.7% and high concentrate grade are strong for the flotation processing route, contributing positively to project economics.
Positive factors
- High copper recovery for flotation
- High concentrate grade
- Negligible deleterious elements
Evidence · table
“88.7”
Context: Copper
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Byproduct Commodityneutral
The tested commodity is a byproduct rather than the primary economic driver.
Why it applies: the release describes a byproduct credit
flotationMinto Project · goldRecovery: 84.6 %Head Grade: 0.46Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- crushing, grinding, gravity, flotation, thickening, drying, filtration
Recovery
- Recovery
- 84.6 %
- Recovery Basis
- actual_test
- Head Grade
- 0.46
- Head Grade Unit
- g/t
- Conc. Grade
- 15
- Conc. Grade Unit
- g/t
Lab
- Laboratory
- Blue Coast Research
- Consultant
- Hatch Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The estimated gold recovery of 84.6% and high concentrate grade are strong, contributing positively to project economics as a byproduct.
Positive factors
- Strong gold recovery
- High concentrate grade
- Negligible deleterious elements
Evidence · table
“84.6”
Context: Gold
Tags used in scoring
Byproduct Commodityneutral
The tested commodity is a byproduct rather than the primary economic driver.
Why it applies: the release describes a byproduct credit
flotationMinto Project · silverRecovery: 77.3 %Head Grade: 4Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Minto Project
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon, Canada
- Ticker
- SCMI.V
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- crushing, grinding, gravity, flotation, thickening, drying, filtration
Recovery
- Recovery
- 77.3 %
- Recovery Basis
- actual_test
- Head Grade
- 4
- Head Grade Unit
- g/t
- Conc. Grade
- 125
- Conc. Grade Unit
- g/t
Lab
- Laboratory
- Blue Coast Research
- Consultant
- Hatch Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The estimated silver recovery of 77.3% and high concentrate grade are good, contributing positively to project economics as a byproduct.
Positive factors
- Good silver recovery
- High concentrate grade
- Negligible deleterious elements
Evidence · table
“77.3”
Context: Silver
Tags used in scoring
Byproduct Commodityneutral
The tested commodity is a byproduct rather than the primary economic driver.
Why it applies: the release describes a byproduct credit
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.