Kodiak Reports Positive Results from Metallurgical Testwork on the MPD Project
Original announcement by tmx on
- Company
- Kodiak Copper Corp.
- Ticker
- KDK
- Exchange
- TSX
- Region
- British Columbia
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Metallurgy
- Extracted
- 2026-09-16 06:45:05 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Kodiak Copper Corp. reported positive metallurgical results for its MPD project, demonstrating that a coarser grind size of 150 µm can achieve robust copper, gold, and silver recoveries. The program included the first locked-cycle test, which confirmed stable flotation performance and identified opportunities to improve gold recovery via gravity processes.
Reasoning: The metallurgical program successfully demonstrated that coarser grinding (150 um) maintains robust recoveries, improving project economics, and the first locked-cycle test provided a significant de-risking milestone.
Positive factors
- Improved gold recovery in both rougher and locked cycle tests
- Successful grind size optimization (150 um vs 75 um) reducing energy requirements
- Completion of first locked cycle test simulating production-scale conditions
- Identification of gravity recovery opportunity for free gold
Negative factors
- Non-sulphide gangue identified as a source of dilution in final concentrate
Facts used in scoring: 6
Classification and evidence
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 names a Qualified Person (Shane Tad Crowie, P. Eng) and a metallurgical laboratory (BaseMet).
Evidence · text
“conducted under the supervision of Shane Tad Crowie, P. Eng”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: Testwork utilized a traditional sulphide flotation flowsheet.
Evidence · text
“amenable to a traditional sulphide flotation flowsheet”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
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: 6. Some facts used in scoring do not have a stored record.
Metallurgical Results (6)
flotationMPD · copperRecovery: 91.1 %View all detailsHide details
Identity
- Project
- MPD
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- KDK
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- sulphide flotation
- Sample
- 2026 Batch Rougher-05 (150 um)
- Grind P80
- 150 µm
Recovery
- Recovery
- 91.1 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- BaseMet
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: 91.1% Cu recovery at 150 um is strong for a rougher stage.
Positive factors
- High recovery at a coarser grind size
Evidence · table
“91.1”
Context: 150
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationMPD · goldRecovery: 81.4 %View all detailsHide details
Identity
- Project
- MPD
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- KDK
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- sulphide flotation
- Sample
- 2026 Batch Rougher-05 (150 um)
- Grind P80
- 150 µm
Recovery
- Recovery
- 81.4 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- BaseMet
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: 81.4% Au recovery at 150 um is a significant improvement over previous work.
Positive factors
- Improved gold recovery compared to 2025 program
Evidence · table
“81.4”
Context: 150
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationMPD · silverRecovery: 80.4 %View all detailsHide details
Identity
- Project
- MPD
- Commodity
- silver
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- KDK
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- sulphide flotation
- Sample
- 2026 Batch Rougher-05 (150 um)
- Grind P80
- 150 µm
Recovery
- Recovery
- 80.4 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- BaseMet
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: 80.4% Ag recovery at 150 um.
Evidence · table
“80.4”
Context: 150
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
locked-cycleMPD · copperRecovery: 78.7 %Head Grade: 0.38Head Grade Unit: %View all detailsHide details
Identity
- Project
- MPD
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- KDK
Test Work
- Program Status
- preliminary
- Test Type
- locked-cycle
- Processing Route
- flotation
- Sample
- Locked Cycle Test (Cycle E) - Final Concentrate
- Grind P80
- 150 µm
Recovery
- Recovery
- 78.7 %
- Recovery Basis
- actual_test
- Head Grade
- 0.38
- Head Grade Unit
- %
- Conc. Grade
- 18.3
- Conc. Grade Unit
- %
- Mass Pull
- 1.6 %
Lab
- Laboratory
- BaseMet
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: 78.7% Cu recovery in a locked-cycle test is a key de-risking milestone.
Positive factors
- Successful completion of first locked-cycle test
Negative factors
- Non-sulphide gangue identified as dilution source
Evidence · table
“78.7”
Context: 1.6
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 78.7% is below the weak band (80%)
locked-cycleMPD · goldRecovery: 60 %Head Grade: 0.22Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- MPD
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- KDK
Test Work
- Program Status
- preliminary
- Test Type
- locked-cycle
- Processing Route
- flotation
- Sample
- Locked Cycle Test (Cycle E) - Final Concentrate
- Grind P80
- 150 µm
Recovery
- Recovery
- 60 %
- Recovery Basis
- actual_test
- Head Grade
- 0.22
- Head Grade Unit
- g/t
- Conc. Grade
- 8.2
- Conc. Grade Unit
- g/t
- Mass Pull
- 1.6 %
Lab
- Laboratory
- BaseMet
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: 60% Au recovery in locked cycle is a baseline for further optimization.
Positive factors
- Gold recovery improved in locked cycle tests
Negative factors
- Opportunity identified to improve recovery via gravity
Evidence · table
“60.0”
Context: 1.6
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 60% is below the weak band (80%)
locked-cycleMPD · silverRecovery: 49.3 %Head Grade: 2.4Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- MPD
- Commodity
- silver
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- KDK
Test Work
- Program Status
- preliminary
- Test Type
- locked-cycle
- Processing Route
- flotation
- Sample
- Locked Cycle Test (Cycle E) - Final Concentrate
- Grind P80
- 150 µm
Recovery
- Recovery
- 49.3 %
- Recovery Basis
- actual_test
- Head Grade
- 2.4
- Head Grade Unit
- g/t
- Conc. Grade
- 73
- Conc. Grade Unit
- g/t
- Mass Pull
- 1.6 %
Lab
- Laboratory
- BaseMet
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: 49.3% Ag recovery in locked cycle.
Evidence · table
“49.3”
Context: 1.6
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 49.3% is below the weak band (75%)
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.