Nordic Resources clears first Kopsa met hurdle with gold recoveries up to 90pc

Original announcement by stockhead on

Company
Nordic Resources
Ticker
NNL
Exchange
Unavailable
Region
Finland
Primary commodity
Gold
Secondary commodities
Copper, Silver
Document categories
Metallurgy, Resource update
Extracted
2026-09-24 03:03:05 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Nordic Resources has reported successful metallurgical testwork at its Kopsa project in Finland, with gold recoveries reaching 90% and copper reaching 91%. The results demonstrate that a single conventional flowsheet can effectively process both stockwork and tonalite mineralisation types.

Reasoning: Strong metallurgical results (up to 90% Au recovery) provide significant de-risking ahead of a planned resource update.

Positive factors

  • High gold and copper recoveries achieved via locked-cycle tests
  • Single flowsheet successfully treats two distinct mineralisation types
  • Gold identified as free-milling, reducing processing complexity
  • Strong silver recovery reported for the first time

Negative factors

  • Project still faces 'critical mass' issues regarding resource size for plant support

Facts used in scoring: 10

Classification and evidence

High Recoverypositive

Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: Gold recoveries reached 90% in locked-cycle tests, meeting the exceptional band for gold.

Evidence · text

“achieved overall recoveries of 90% gold, 91% copper and 76% silver from the stockwork master composite”

Free Millingpositive

Simple, clean ore amenable to standard processing without oxidation.

Why it applies: Gold was explicitly described as free milling without requiring pre-oxidation.

Evidence · text

“Gold proved consistently free milling in the tested material, without requiring sulphide pre-oxidation”

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document mentions an upcoming October resource update to incorporate new drilling.

Evidence · text

“Results will feed October resource update”

Mill Routeneutral

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

Why it applies: the document describes a flotation route ("flotation")

Multi-Domain Testedpositive

Variability across ore domains (oxide, transition, fresh) has been addressed.

Why it applies: 2 distinct composites were tested

Extracted facts

Stored fact records: 10. Some facts used in scoring do not have a stored record.

Resource Estimates (2)

Fact 1goldTonnes: 23200000Grade: 0.85Grade Unit: g/tContained Metal: 814800Contained Unit: ozView all details
Link to this fact

Identity

Commodity
gold
Region
finland
Reported Region
Finland
Ticker
NNL

Resource scope

Estimate type
resource
Resource group id
resource:1f405fa1a4bae3cacfbc

Resource Data

Tonnes
23200000
Grade
0.85
Grade Unit
g/t
Contained Metal
814800
Contained Unit
oz

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Current resource is stated as a baseline for the upcoming update.

Negative factors

  • Resource size may be insufficient for plant support

Evidence · text

“current resource standing at 23.2Mt at 0.85g/t gold and 0.17% copper for 814,800oz AuEq”

Tags used in scoring

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

No QP/CP Disclosurenegative

No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.

Why it applies: no Qualified or Competent Person is named anywhere in the release

Fact 2copperTonnes: 23200000Grade: 0.17Grade Unit: %View all details
Link to this fact

Identity

Commodity
copper
Region
finland
Reported Region
Finland
Ticker
NNL

Resource scope

Estimate type
resource
Resource group id
resource:1f405fa1a4bae3cacfbc

Resource Data

Tonnes
23200000
Grade
0.17
Grade Unit
%

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Baseline copper grade for the current resource.

Evidence · text

“current resource standing at 23.2Mt at 0.85g/t gold and 0.17% copper”

Tags used in scoring

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

No QP/CP Disclosurenegative

No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.

Why it applies: no Qualified or Competent Person is named anywhere in the release

Metallurgical Results (8)

Fact 1Kopsa · goldRecovery: 90 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
gold
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
stockwork master composite (locked-cycle test)

Recovery

Recovery
90 %
Recovery Basis
actual_test

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: 90% recovery is an exceptional result for gold.

Positive factors

  • High recovery in locked-cycle testing

Evidence · text

“achieved overall recoveries of 90% gold, 91% copper and 76% silver from the stockwork master composite”
Fact 2Kopsa · copperRecovery: 91 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
copper
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
stockwork master composite (locked-cycle test)

Recovery

Recovery
91 %
Recovery Basis
actual_test

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: 91% copper recovery is a strong result.

Positive factors

  • High copper recovery

Evidence · text

“achieved overall recoveries of 90% gold, 91% copper and 76% silver from the stockwork master composite”
Fact 3Kopsa · silverRecovery: 76 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
silver
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
stockwork master composite (locked-cycle test)

Recovery

Recovery
76 %
Recovery Basis
actual_test

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Significant improvement in silver recovery reporting.

Positive factors

  • Strong silver recovery for the first time

Evidence · text

“achieved overall recoveries of 90% gold, 91% copper and 76% silver from the stockwork master composite”
Fact 4Kopsa · goldRecovery: 86 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
gold
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
tonalite master composite (locked-cycle test)

Recovery

Recovery
86 %
Recovery Basis
actual_test

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Solid recovery for tonalite material.

Positive factors

  • Consistent recovery across mineralisation types

Evidence · text

“The tonalite master composite returned 86% gold, 88% copper and 82% silver recovery.”
Fact 5Kopsa · copperRecovery: 88 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
copper
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
tonalite master composite (locked-cycle test)

Recovery

Recovery
88 %
Recovery Basis
actual_test

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Solid copper recovery for tonalite material.

Positive factors

  • Consistent recovery across mineralisation types

Evidence · text

“The tonalite master composite returned 86% gold, 88% copper and 82% silver recovery.”
Fact 6Kopsa · silverRecovery: 82 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
silver
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
tonalite master composite (locked-cycle test)

Recovery

Recovery
82 %
Recovery Basis
actual_test

Lab

Laboratory
Blue Coast Research

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: High silver recovery in tonalite.

Positive factors

  • Strong silver recovery

Evidence · text

“The tonalite master composite returned 86% gold, 88% copper and 82% silver recovery.”
Fact 7Kopsa · goldRecovery: 90 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
gold
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
stockwork material (variability test)

Recovery

Recovery
90 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Confirms consistency of recovery.

Positive factors

  • High recovery even at lower grades

Evidence · text

“Variability tests averaged 90% gold recovery for stockwork material”
Fact 8Kopsa · goldRecovery: 88 %View all details
Link to this fact

Identity

Project
Kopsa
Commodity
gold
Region
finland
Reported Region
Finland
Ticker
NNL

Test Work

Sample
tonalite material (variability test)

Recovery

Recovery
88 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Consistent recovery across material types.

Positive factors

  • High recovery even at lower grades

Evidence · text

“and 88% for tonalite, demonstrating consistently high recoveries”

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.