Selkirk Copper Hits 15.1% Copper Equivalent at Minto North, a 99th-Percentile Grade

Original announcement by cruxinvestor on

Company
Selkirk Copper Mines
Ticker
SCMI
Exchange
Unavailable
Region
Yukon, Canada
Primary commodity
Copper
Secondary commodities
Gold, Silver
Document categories
Drill results, Other
Extracted
2026-10-01 15:24:45 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Selkirk Copper reported high-grade step-out drill results at the Minto North project, highlighted by a 5.4m intercept of 15.11% copper equivalent. The drilling also included infill results in Area 118 and progress updates on the Phase 2 drilling program.

Reasoning: The release reports exceptional high-grade step-out intercepts at Minto North, including a 9.27% Cu intercept that ranks in the 99th percentile of historical data.

Positive factors

  • exceptional copper grade (9.27%)
  • high-grade copper equivalent (15.11%)
  • step-out extension at Minto North
  • 99th percentile grade ranking

Negative factors

  • assays pending for southern drilling

Facts used in scoring: 15

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: A hole stepping out 35m from previous drilling at Minto North intersected high-grade mineralization.

Evidence · text

“A hole stepping out 35 meters (m) from previous drilling in the southern part of the 202 Lens intersected 9.27% copper”

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The 9.27% Cu intercept is exceptionally high-grade for the deposit type.

Evidence · text

“9.27% copper, 7.43 grams per tonne (g/t) gold, and 54.9 g/t silver, or 15.11% copper equivalent”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The release reports infill drilling results in Area 118 and Minto Main.

Evidence · text

“Infill drilling in Area 118 returned 3.45% copper equivalent”

Extracted facts

Stored fact records: 15. Some facts used in scoring do not have a stored record.

Drill Results (15)

unknownMinto North · copperGrade: 9.27Grade Unit: %Intercept: 5.4 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Minto North
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
9.27
Grade Unit
%
Intercept
5.4 m

Classification

Sample Type
drill
Group ID
unknown:0-5.4
Mining Method
underground

Location

Location
202 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Metal Equivalent

Metal Eq. Grade
15.11
Metal Eq. Unit
% copper equivalent

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 9.27% Cu is an exceptional grade for this deposit type.

Positive factors

  • exceptional copper grade
  • 99th percentile grade

Evidence · text

“intersected 9.27% copper, 7.43 grams per tonne (g/t) gold, and 54.9 g/t silver, or 15.11% copper equivalent, over 5.4 meters (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

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used.

Why it applies: an equivalent grade is reported without its assumptions

unknownMinto North · goldGrade: 7.43Grade Unit: g/tIntercept: 5.4 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Minto North
Commodity
gold
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
7.43
Grade Unit
g/t
Intercept
5.4 m

Classification

Sample Type
drill
Group ID
unknown:0-5.4
Mining Method
underground

Location

Location
202 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 7.43 g/t gold is a strong intercept in a copper-gold system.

Positive factors

  • high grade gold

Evidence · text

“9.27% copper, 7.43 grams per tonne (g/t) gold, and 54.9 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

unknownMinto North · silverGrade: 54.9Grade Unit: g/tIntercept: 5.4 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Minto North
Commodity
silver
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
54.9
Grade Unit
g/t
Intercept
5.4 m

Classification

Sample Type
drill
Group ID
unknown:0-5.4
Mining Method
underground

Location

Location
202 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 54.9 g/t silver provides meaningful credits to the copper equivalent.

Positive factors

  • significant silver credits

Evidence · text

“54.9 g/t silver, or 15.11% copper equivalent, over 5.4 meters (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

unknownMinto North · copperGrade: 3.11Grade Unit: %Intercept: 9 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Minto North
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
3.11
Grade Unit
%
Intercept
9 m

Classification

Sample Type
drill
Group ID
unknown:0-9.0
Mining Method
underground

Location

Location
202 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: A secondary interval of 3.11% CuEq over 9m.

Positive factors

  • significant interval

Evidence · text

“The same hole returned a second interval of 3.11% copper equivalent over 9.0 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

unknownMinto North · copperGrade: 1.25Grade Unit: %Intercept: 17.6 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Minto North
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
1.25
Grade Unit
%
Intercept
17.6 m

Classification

Sample Type
drill
Group ID
unknown:0-17.6
Mining Method
underground

Location

Location
202 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 1.25% CuEq over 17.6m shows expansion to the northwest.

Positive factors

  • step-out extension

Evidence · text

“returned 1.25% copper equivalent over 17.6 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

unknownArea 118 · copperGrade: 2.54Grade Unit: %Intercept: 3 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Area 118
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
2.54
Grade Unit
%
Intercept
3 m

Classification

Sample Type
drill
Group ID
unknown:0-3.0
Mining Method
underground

Location

Location
114 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 2.54% Cu is a strong intercept for infill drilling.

Positive factors

  • confirms modeled lens geometry

Evidence · text

“One returned 2.54% copper, 1.25 g/t gold, and 10.7 g/t silver, or 3.45% copper equivalent, over 3 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

unknownArea 118 · goldGrade: 1.25Grade Unit: g/tIntercept: 3 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Area 118
Commodity
gold
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
1.25
Grade Unit
g/t
Intercept
3 m

Classification

Sample Type
drill
Group ID
unknown:0-3.0
Mining Method
underground

Location

Location
114 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: Part of the 3.45% CuEq intercept.

Evidence · text

“2.54% copper, 1.25 g/t gold, and 10.7 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

unknownArea 118 · silverGrade: 10.7Grade Unit: g/tIntercept: 3 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Area 118
Commodity
silver
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
10.7
Grade Unit
g/t
Intercept
3 m

Classification

Sample Type
drill
Group ID
unknown:0-3.0
Mining Method
underground

Location

Location
114 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: Part of the 3.45% CuEq intercept.

Evidence · text

“2.54% copper, 1.25 g/t gold, and 10.7 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

unknownArea 118 · copperGrade: 1.43Grade Unit: %Intercept: 14.8 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Area 118
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
1.43
Grade Unit
%
Intercept
14.8 m

Classification

Sample Type
drill
Group ID
unknown:0-14.8
Mining Method
underground

Location

Location
114 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 1.43% CuEq over 14.8m is a substantial interval.

Positive factors

  • significant width

Evidence · text

“within 1.43% copper equivalent over 14.8 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

unknownArea 118 · copperGrade: 2.03Grade Unit: %Intercept: 6.9 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Area 118
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
2.03
Grade Unit
%
Intercept
6.9 m

Classification

Sample Type
drill
Group ID
unknown:0-6.9
Mining Method
underground

Location

Location
Area 118
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 2.03% CuEq over 6.9m.

Evidence · text

“Another returned 2.03% copper equivalent over 6.9 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

unknownArea 118 · copperGrade: 1.94Grade Unit: %Intercept: 9.1 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Area 118
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
1.94
Grade Unit
%
Intercept
9.1 m

Classification

Sample Type
drill
Group ID
unknown:0-9.1
Mining Method
underground

Location

Location
Area 118
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 1.94% CuEq over 9.1m.

Evidence · text

“and the third returned 1.94% copper equivalent over 9.1 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

unknownMinto Main · copperGrade: 1.42Grade Unit: %Intercept: 9.7 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Minto Main
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
1.42
Grade Unit
%
Intercept
9.7 m

Classification

Sample Type
drill
Group ID
unknown:0-9.7
Mining Method
underground

Location

Location
114 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 1.42% CuEq over 9.7m was noted as lower than expected.

Negative factors

  • lower than expected

Evidence · text

“returned 1.42% copper equivalent over 9.7 m in the 114 Lens”

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

unknownMinto Main · copperGrade: 0.94Grade Unit: %Intercept: 32.1 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Minto Main
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
0.94
Grade Unit
%
Intercept
32.1 m

Classification

Sample Type
drill
Group ID
unknown:0-32.1
Mining Method
underground

Location

Location
117 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 0.94% CuEq over 32.1m was noted as lower than expected.

Positive factors

  • significant width

Negative factors

  • lower than expected

Evidence · text

“and 0.94% copper equivalent over 32.1 m in the 117 Lens.”

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

unknownCopper Keel · copperGrade: 2.29Grade Unit: %Intercept: 5 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Copper Keel
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
2.29
Grade Unit
%
Intercept
5 m

Classification

Sample Type
drill
Group ID
unknown:0-5.0
Mining Method
underground

Location

Location
101 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 2.29% CuEq over 5m.

Evidence · text

“Results included 2.29% copper equivalent over 5 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

unknownCopper Keel · copperGrade: 0.94Grade Unit: %Intercept: 18 mNeeds review: ungroundedView all details
Link to this fact

Identity

Hole ID
unknown
Project
Copper Keel
Commodity
copper
Region
canada_yt
Reported Region
canada_yt
Ticker
SCMI

Geometry

Grade
0.94
Grade Unit
%
Intercept
18 m

Classification

Sample Type
drill
Group ID
unknown:0-18.0
Mining Method
underground

Location

Location
101 Lens
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
ungrounded
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: 0.94% CuEq over 18m.

Positive factors

  • significant width

Evidence · text

“and 0.94% copper equivalent over 18 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

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.