Minto's First Mine Plan Takes 40% to 45% of the Indicated Resource
Original announcement by cruxinvestor on
- Company
- Selkirk Copper Mines
- Ticker
- SCMI
- Exchange
- Unavailable
- Region
- Canada
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Drill results, Resource update, Economic study
- Extracted
- 2026-09-17 19:39:52 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Selkirk Copper Mines is progressing its Phase 2 drilling at the Minto project, with 90% of the 50,000m program completed. Recent results are primarily infill, confirming geological models at Minto North and Area 118, though Copper Keel showed lower-than-expected grades. The company is using these results to inform a mine plan that currently incorporates 40-45% of the indicated resource, ahead of a PEA due in Q3 2026.
Reasoning: The document reports a mix of confirmatory infill drilling and successful step-out hits, though some zones (Copper Keel) underperformed expectations. The core news is the progress of the Phase 2 program and its role in informing the upcoming mine plan and PEA.
Positive factors
- Infill drilling confirms modeled geometry and grade estimation
- Successful step-out drilling at Area 118 and 117 Lens
- Large M&I resource base of 47.8 Mt
Negative factors
- Copper Keel results were variable and lower than expected
- Expansion potential limited at Copper Keel
- Mine plan currently only captures 40-45% of indicated resource
Facts used in scoring: 7
Classification and evidence
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: Most reported holes are classified as infill that confirms modeled geometry.
Evidence · text
“Most of the reported holes are classified as infill that confirms modeled geometry”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Successful step-out drilling reported at Area 118 and 117 Lens.
Evidence · text
“We've got new methods to expand existing zones, where we're doing step-out drilling, almost all of which has been successful”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions ALS laboratory and 15% QC material insertion.
Evidence · text
“operated by ALS, with quality-control material inserted at approximately 15% of all samples”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document discusses the current state of the MRE and its inclusion in the mine plan.
Evidence · text
“Management puts the share of the indicated resource currently reaching the mine plan at 40% to 45%.”
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Drill Results (4)
Fact 1Minto North · copperGrade: 6.01Grade Unit: %Intercept: 1.93 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Minto North
- Commodity
- copper
- Region
- canada
- Reported Region
- canada
- Ticker
- SCMI
Geometry
- Grade
- 6.01
- Grade Unit
- %
- Intercept
- 1.93 m
Classification
- Sample Type
- drill
- Group ID
- unknown:0-1.93
Location
- Location
- 202 Lens
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, duplicates
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: High grade copper intercept within a broader interval.
Positive factors
- High grade intercept
Evidence · text
“6.01% copper, 8.77 grams per metric ton (g/t) gold, and 36.6 g/t silver, or 13.12% copper equivalent, over 1.93 m”
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
Fact 2Minto North · goldGrade: 8.77Grade Unit: g/tIntercept: 1.93 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Minto North
- Commodity
- gold
- Region
- canada
- Reported Region
- canada
- Ticker
- SCMI
Geometry
- Grade
- 8.77
- Grade Unit
- g/t
- Intercept
- 1.93 m
Classification
- Sample Type
- drill
- Group ID
- unknown:0-1.93
Location
- Location
- 202 Lens
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, duplicates
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: High grade gold intercept within a broader interval.
Positive factors
- High grade gold intercept
Evidence · text
“6.01% copper, 8.77 grams per metric ton (g/t) gold, and 36.6 g/t silver”
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
Fact 3Minto North · silverGrade: 36.6Grade Unit: g/tIntercept: 1.93 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Minto North
- Commodity
- silver
- Region
- canada
- Reported Region
- canada
- Ticker
- SCMI
Geometry
- Grade
- 36.6
- Grade Unit
- g/t
- Intercept
- 1.93 m
Classification
- Sample Type
- drill
- Group ID
- unknown:0-1.93
Location
- Location
- 202 Lens
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, duplicates
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Silver credits in a high grade copper-gold intercept.
Positive factors
- Silver credits
Evidence · text
“36.6 g/t silver, or 13.12% copper equivalent, over 1.93 m”
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
Fact 4Minto North · copperGrade: 3.39Grade Unit: %Intercept: 6 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Minto North
- Commodity
- copper
- Region
- canada
- Reported Region
- canada
- Ticker
- SCMI
Geometry
- Grade
- 3.39
- Grade Unit
- %
- Intercept
- 6 m
Classification
- Sample Type
- drill
- Group ID
- unknown:0-6.0
Location
- Location
- Area 118
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, duplicates
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Successful 50m step-out at Area 118.
Positive factors
- Step-out success
- Better than expected grade/width
Evidence · text
“A 50-meter step-out at Area 118 returned 3.39% copper, 0.61 g/t gold, and 16.5 g/t silver, or 3.73% copper equivalent, over 6.0 m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Resource Estimates (3)
indicatedMinto · copperTonnes: 47800000Grade: 0.89Grade Unit: %Contained Metal: 940Contained Unit: mlbView all detailsHide details
Identity
- Project
- Minto
- Commodity
- copper
- Region
- canada
- Reported Region
- Canada
- Ticker
- SCMI
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Resource group id
- resource:7bad064a6011c1a1358b
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 47800000
- Grade
- 0.89
- Grade Unit
- %
- Contained Metal
- 940
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Base M&I resource for the project.
Positive factors
- Large M&I resource base
Evidence · text
“measured and indicated material of 47.8 million metric tons grading 0.89% copper, 0.34 g/t gold and 3.2 g/t silver, containing 940 million pounds of copper, 530,000 ounces of gold and 4.97 million ounces of 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
indicatedMinto · goldTonnes: 47800000Grade: 0.34Grade Unit: g/tContained Metal: 530000Contained Unit: ozView all detailsHide details
Identity
- Project
- Minto
- Commodity
- gold
- Region
- canada
- Reported Region
- Canada
- Ticker
- SCMI
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Resource group id
- resource:7bad064a6011c1a1358b
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 47800000
- Grade
- 0.34
- Grade Unit
- g/t
- Contained Metal
- 530000
- Contained Unit
- oz
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Gold component of M&I resource.
Evidence · text
“47.8 million metric tons grading 0.89% copper, 0.34 g/t gold and 3.2 g/t silver, containing 940 million pounds of copper, 530,000 ounces of gold and 4.97 million ounces of 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
indicatedMinto · silverTonnes: 47800000Grade: 3.2Grade Unit: g/tContained Metal: 4.97Contained Unit: mozView all detailsHide details
Identity
- Project
- Minto
- Commodity
- silver
- Region
- canada
- Reported Region
- Canada
- Ticker
- SCMI
Resource scope
- Estimate type
- resource
- Effective date
- 2026-06-10T00:00:00.000Z
- Resource group id
- resource:7bad064a6011c1a1358b
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 47800000
- Grade
- 3.2
- Grade Unit
- g/t
- Contained Metal
- 4.97
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2026-06-10
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Silver component of M&I resource.
Evidence · text
“47.8 million metric tons grading 0.89% copper, 0.34 g/t gold and 3.2 g/t silver, containing 940 million pounds of copper, 530,000 ounces of gold and 4.97 million ounces of 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
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.