NexMetals Increases Selkirk Mineral Resource by 70%, Establishing 1.1 Billion Pounds of Copper Equivalent in the Indicated Category and 200 Million Pounds in Inferred Category

Original announcement by tmx on

Company
NexMetals Mining Corp.
Ticker
NEXM
Exchange
TSX
Region
Botswana
Primary commodity
Copper
Secondary commodities
Nickel, Cobalt, Platinum, Palladium, Gold, Silver
Document categories
Resource update
Extracted
2026-08-20 21:36:24 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

NexMetals has updated the Selkirk Mineral Resource, increasing total tonnage by 70% to 93.3 Mt. The update establishes 1.1 billion pounds of copper equivalent in the Indicated category, driven by successful twin drilling, re-assaying, and the inclusion of new payable metals.

Reasoning: The update represents a major scale increase (70% tonnage growth) and a significant de-risking event through category conversion and improved metallurgical/economic parameters.

Positive factors

  • Significant tonnage and metal growth
  • Substantial conversion from Inferred to Indicated category
  • Improved strip ratio and open-pit potential
  • Inclusion of new payable metals (Co, Ag, Au)

Negative factors

  • Historical data verification required for some components

Facts used in scoring: 28

Atlas analysis — NexMetals Mining Corp.: NexMetals Increases Selkirk Mineral Resource by 70%, Establishing 1.1 Billion Pounds of Copper Equivalent in the Indicated Category and 200 Million Pounds in Inferred Category. indicated 78200000 tonnes; inferred 15100000 tonnes

Classification and evidence

Category Upgradepositive

Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.

Why it applies: Significant conversion of Mineral Resources from the Inferred to Indicated category.

Evidence · text

“reflects a significant conversion of Mineral Resources from the Inferred to Indicated category”

Tonnage Growthpositive

Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.

Why it applies: Total resource tonnage increased by 70% compared to the 2024 MRE.

Evidence · text

“Increases Selkirk Mineral Resource by 70%”

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: Mr. J.C. Witley is named as the Qualified Person who reviewed and approved the release.

Evidence · text

“The Qualified Person, Mr. J.C. Witley (BSc Hons, MSc (Eng.)), is satisfied that the assay results are of sufficient accuracy”

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The resource is reported at a cut-off value of US$25/t NSR.

Evidence · text

“Mineral Resources are reported at a cut-off value of US$25/t NSR”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The estimate is prepared in accordance with NI 43-101 standards.

Evidence · text

“prepared in accordance with National Instrument 43-101 ("NI 43-101")”

Extracted facts

Stored fact records: 28. Some facts used in scoring do not have a stored record.

Resource Estimates (28)

indicatedcopperTonnes: 78200000Grade: 0.23Grade Unit: %View all details
Link to this fact

Identity

Commodity
copper
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
78200000
Grade
0.23
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource.

Evidence · table

“0.23”

Context: 78.2

indicatednickelTonnes: 78200000Grade: 0.21Grade Unit: %View all details
Link to this fact

Identity

Commodity
nickel
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
78200000
Grade
0.21
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Secondary metal in Indicated resource.

Evidence · table

“0.21”

Context: 78.2

indicatedcobaltTonnes: 78200000Grade: 0.012Grade Unit: %View all details
Link to this fact

Identity

Commodity
cobalt
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
78200000
Grade
0.012
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Trace cobalt in Indicated resource.

Evidence · table

“0.012”

Context: 78.2

indicatedplatinumTonnes: 78200000Grade: 0.1Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
platinum
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
78200000
Grade
0.1
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: PGE component in Indicated resource.

Evidence · table

“0.10”

Context: 78.2

indicatedpalladiumTonnes: 78200000Grade: 0.42Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
palladium
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
78200000
Grade
0.42
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: PGE component in Indicated resource.

Evidence · table

“0.42”

Context: 78.2

indicatedgoldTonnes: 78200000Grade: 0.05Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
78200000
Grade
0.05
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Precious metal component in Indicated resource.

Evidence · table

“0.05”

Context: 78.2

indicatedsilverTonnes: 78200000Grade: 0.72Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
78200000
Grade
0.72
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Precious metal component in Indicated resource.

Evidence · table

“0.72”

Context: 78.2

inferredcopperTonnes: 15100000Grade: 0.21Grade Unit: %View all details
Link to this fact

Identity

Commodity
copper
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.21
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource.

Evidence · table

“0.21”

Context: 15.1

inferrednickelTonnes: 15100000Grade: 0.18Grade Unit: %View all details
Link to this fact

Identity

Commodity
nickel
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.18
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Nickel component in Inferred resource.

Evidence · table

“0.18”

Context: 15.1

inferredcobaltTonnes: 15100000Grade: 0.01Grade Unit: %View all details
Link to this fact

Identity

Commodity
cobalt
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.01
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Trace cobalt in Inferred resource.

Evidence · table

“0.010”

Context: 15.1

inferredplatinumTonnes: 15100000Grade: 0.09Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
platinum
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.09
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: PGE component in Inferred resource.

Evidence · table

“0.09”

Context: 15.1

inferredpalladiumTonnes: 15100000Grade: 0.4Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
palladium
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.4
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: PGE component in Inferred resource.

Evidence · table

“0.40”

Context: 15.1

inferredgoldTonnes: 15100000Grade: 0.05Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.05
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Precious metal component in Inferred resource.

Evidence · table

“0.05”

Context: 15.1

inferredsilverTonnes: 15100000Grade: 0.77Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.77
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Precious metal component in Inferred resource.

Evidence · table

“0.77”

Context: 15.1

indicatednickelTonnes: 1138000000Grade: 163Grade Unit: %View all details
Link to this fact

Identity

Commodity
nickel
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
1138000000
Grade
163
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“163”

Context: 1,138

indicatedcopperTonnes: 1138000000Grade: 181Grade Unit: %View all details
Link to this fact

Identity

Commodity
copper
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
1138000000
Grade
181
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“181”

Context: 1,138

indicatedcobaltTonnes: 1138000000Grade: 9.2Grade Unit: %View all details
Link to this fact

Identity

Commodity
cobalt
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
1138000000
Grade
9.2
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“9.2”

Context: 1,138

indicatedplatinumTonnes: 1138000000Grade: 245Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
platinum
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
1138000000
Grade
245
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“245”

Context: 1,138

indicatedpalladiumTonnes: 1138000000Grade: 1066Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
palladium
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
1138000000
Grade
1066
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“1,066”

Context: 1,138

indicatedgoldTonnes: 1138000000Grade: 120Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
1138000000
Grade
120
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“120”

Context: 1,138

indicatedsilverTonnes: 1138000000Grade: 1818Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
NEXM

Resource Data

Category
indicated
Tonnes
1138000000
Grade
1818
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Core component of the Indicated resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“1,818”

Context: 1,138

inferrednickelTonnes: 200000000Grade: 27Grade Unit: %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Commodity
nickel
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
200000000
Grade
27
Grade Unit
%

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“27”

Context: 200

inferredcopperTonnes: 200000000Grade: 32Grade Unit: %View all details
Link to this fact

Identity

Commodity
copper
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
200000000
Grade
32
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“32”

Context: 200

inferredcobaltTonnes: 200000000Grade: 1.6Grade Unit: %View all details
Link to this fact

Identity

Commodity
cobalt
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
200000000
Grade
1.6
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“1.6”

Context: 200

inferredplatinumTonnes: 200000000Grade: 45Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
platinum
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
200000000
Grade
45
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“45”

Context: 200

inferredpalladiumTonnes: 200000000Grade: 193Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
palladium
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
200000000
Grade
193
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“193”

Context: 200

inferredgoldTonnes: 200000000Grade: 25Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
200000000
Grade
25
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“25”

Context: 200

inferredsilverTonnes: 200000000Grade: 372Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
NEXM

Resource Data

Category
inferred
Tonnes
200000000
Grade
372
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Copper component in Inferred resource. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“372”

Context: 200

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.