NexMetals Reports Metallurgical Results Confirming Separate High Grade Saleable Cu-Ni-PGE Concentrates and Demonstrating Improved Recoveries at Selkirk

Original announcement by tmx on

Company
NexMetals Mining Corp.
Ticker
NEXM
Exchange
TSX
Region
Botswana
Primary commodity
Copper
Secondary commodities
Nickel, Platinum, Palladium, Gold, Silver, Cobalt
Document categories
Metallurgy
Extracted
2026-08-20 23:44:15 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

NexMetals has reported successful Locked Cycle Test (LCT) results at the Selkirk Project, confirming the ability to produce separate high-grade copper and nickel concentrates. The results show improved copper recovery (81.3%) and a significant jump in nickel concentrate grade (10.9% Ni) compared to the 2024 MRE inputs.

Reasoning: The LCT results demonstrate a significant technical improvement over the 2024 MRE parameters, specifically in copper recovery and nickel concentrate grade, while validating a new sequential flotation flowsheet.

Positive factors

  • Improved copper recovery (81.3% vs 70.0%)
  • Significant reduction in copper losses to tailings
  • Substantial increase in nickel concentrate grade
  • Demonstrated ability to produce separate Cu and Ni concentrates
  • Unlocking value from previously unassayed PGEs, Ag, and Co

Negative factors

  • Nickel recovery remains moderate at 54.4%

Facts used in scoring: 4

Atlas analysis — NexMetals Mining Corp.: NexMetals Reports Metallurgical Results Confirming Separate High Grade Saleable Cu-Ni-PGE Concentrates and Demonstrating Improved Recoveries at Selkirk. 81.3% recovery; 54.4% recovery; 15% recovery

Classification and evidence

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: Results describe a sequential flotation flowsheet involving regrinding.

Evidence · text

“conventional sequential flotation flowsheet”

QA/QC Disclosedpositive · Story-specific tag

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release mentions certified labs (ALS Chemex, Blue Coast Research) and specific QA/QC protocols like blanks and standards.

Evidence · text

“Commercially prepared blank samples and certified Cu/Ni sulphide analytical control standards”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Metallurgical Results (4)

locked-cyclecopperRecovery: 81.3 %Head Grade: 0.26Head Grade Unit: %View all details
Link to this fact

Identity

Commodity
copper
Ticker
NEXM

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
sequential flotation
Sample
Cu Cleaner 3 Conc (LCT)
Grind P80
14 µm

Recovery

Recovery
81.3 %
Head Grade
0.26
Head Grade Unit
%
Conc. Grade
30.2
Conc. Grade Unit
%

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-27T00:00:00.000Z

Reasoning: 81.3% recovery at 30.2% Cu is a strong result for this flowsheet and represents a 16pp improvement over historical MRE inputs.

Positive factors

  • High concentrate grade (30.2%)
  • Strong recovery improvement vs 2024 MRE

Evidence · table

“81.3”

Context: 0.70

locked-cyclenickelRecovery: 54.4 %Head Grade: 0.24Head Grade Unit: %View all details
Link to this fact

Identity

Commodity
nickel
Ticker
NEXM

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
sequential flotation
Sample
Ni Cleaner 3 Conc (LCT)
Grind P80
31 µm

Recovery

Recovery
54.4 %
Head Grade
0.24
Head Grade Unit
%
Conc. Grade
10.9
Conc. Grade Unit
%

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-27T00:00:00.000Z

Reasoning: While the grade is a major improvement over the 2024 MRE, the recovery is relatively moderate.

Positive factors

  • Significant grade improvement (10.9% vs 6.8%)

Negative factors

  • Moderate recovery (54.4%)

Evidence · table

“54.4”

Context: 1.21

locked-cycleplatinumRecovery: 15 %Head Grade: 0.09Head Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
platinum
Ticker
NEXM

Test Work

Program Status
detailed
Test Type
locked-cycle
Sample
Cu Cleaner 3 Conc (LCT)

Recovery

Recovery
15 %
Head Grade
0.09
Head Grade Unit
g/t
Conc. Grade
1.91
Conc. Grade Unit
g/t

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-27T00:00:00.000Z

Reasoning: Low recovery of Pt into the copper concentrate.

Evidence · table

“1.91”

Context: 0.70

locked-cyclepalladiumRecovery: 60.1 %Head Grade: 0.42Head Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
palladium
Ticker
NEXM

Test Work

Program Status
detailed
Test Type
locked-cycle
Sample
Cu Cleaner 3 Conc (LCT)

Recovery

Recovery
60.1 %
Head Grade
0.42
Head Grade Unit
g/t
Conc. Grade
36.2
Conc. Grade Unit
g/t

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-27T00:00:00.000Z

Reasoning: Strong palladium grade in the copper concentrate.

Positive factors

  • High concentrate grade (36.2 g/t)

Evidence · table

“36.2”

Context: 0.70

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.