Collective Mining Highlights Strong Copper and Tungsten Metallurgical Results; Advances Apollo Flowsheet for 2027 Licensing Submission
Original announcement by orestocks on
- Company
- Collective Mining Ltd.
- Ticker
- CNL
- Exchange
- Unavailable
- Region
- Caldas, Colombia
- Primary commodity
- Copper
- Secondary commodities
- Tungsten, Gold, Silver
- Document categories
- Metallurgy, Resource update
- Extracted
- 2026-09-21 11:05:39 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Collective Mining reported strong metallurgical test results for the Apollo deposit, demonstrating high recoveries for gold, silver, copper, and tungsten. The company is advancing an integrated dual-route flowsheet to selectively process high-grade copper/tungsten sub-domains and a broader gold-silver circuit.
Reasoning: The release provides high-quality metallurgical validation for a dual-route flowsheet and reinforces the economic potential of the high-grade sub-domains within the Apollo maiden resource.
Positive factors
- Strong metallurgical recoveries for all key metals
- High-grade copper concentrate produced (27.2% Cu)
- Clear dual-route processing strategy defined
- Low cyanide consumption reported
- Maiden resource established with significant tonnage
Negative factors
- Tungsten recovery (74%) is moderate compared to base metals
Facts used in scoring: 12
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The document explicitly states 'Apollo Maiden Mineral Resource (announced September 8, 2026)'.
Evidence · text
“Apollo Maiden Mineral Resource”
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: Ned Jalil, P.Eng., is named as the Qualified Person who has reviewed and approved the technical information.
Evidence · text
“Ned Jalil, P.Eng., Chief Executive Officer of the Company and a Qualified Person”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The resource is reported in accordance with NI 43-101 standards.
Evidence · text
“reviewed and approved the scientific and technical information contained in this news release... as defined by National Instrument 43-101”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a flotation route ("flotation")
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: 3 distinct composites were tested
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Resource Estimates (4)
indicatedgoldTonnes: 37000000Grade: 1.38Grade Unit: g/tContained Metal: 1.64Contained Unit: mozView all detailsHide details
Identity
- Commodity
- gold
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-08-31T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ned Jalil
- Resource group id
- resource:9bd9cde36f3a2d2d40eb
- Deposit or zone
- Total Indicated
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 37000000
- Grade
- 1.38
- Grade Unit
- g/t
- Contained Metal
- 1.64
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2026-08-31
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: The maiden resource establishes a strong Indicated base for the project.
Positive factors
- Significant Indicated resource tonnage
Evidence · table
“1.64”
Context: 37.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
indicatedsilverTonnes: 37000000Grade: 24.4Grade Unit: g/tContained Metal: 29Contained Unit: mozView all detailsHide details
Identity
- Commodity
- silver
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-08-31T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ned Jalil
- Resource group id
- resource:9bd9cde36f3a2d2d40eb
- Deposit or zone
- Total Indicated
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 37000000
- Grade
- 24.4
- Grade Unit
- g/t
- Contained Metal
- 29
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2026-08-31
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: Strong silver component in the Indicated resource.
Positive factors
- High silver grade in Indicated resource
Evidence · table
“29.0”
Context: 37.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
indicatedcopperTonnes: 37000000Grade: 0.14Grade Unit: %Contained Metal: 115Contained Unit: mlbView all detailsHide details
Identity
- Commodity
- copper
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-08-31T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ned Jalil
- Resource group id
- resource:9bd9cde36f3a2d2d40eb
- Deposit or zone
- Total Indicated
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 37000000
- Grade
- 0.14
- Grade Unit
- %
- Contained Metal
- 115
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2026-08-31
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: The copper resource provides a solid base for the flotation circuit.
Positive factors
- Significant copper metal content
Evidence · table
“115”
Context: 37.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
indicatedtungstenTonnes: 37000000Grade: 0.011Grade Unit: %Contained Metal: 3887Contained Unit: tView all detailsHide details
Identity
- Commodity
- tungsten
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Resource scope
- Estimate type
- resource
- Effective date
- 2026-08-31T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ned Jalil
- Resource group id
- resource:9bd9cde36f3a2d2d40eb
- Deposit or zone
- Total Indicated
- Mining method
- combined
Resource Data
- Category
- indicated
- Tonnes
- 37000000
- Grade
- 0.011
- Grade Unit
- %
- Contained Metal
- 3887
- Contained Unit
- t
Prior Estimate
- Resource Date
- 2026-08-31
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: Tungsten resource supports the dedicated gravity/flotation circuit.
Positive factors
- Established tungsten resource
Evidence · table
“3,887”
Context: 37.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Metallurgical Results (8)
locked-cycle testingApollo · goldRecovery: 95 %Head Grade: 1.4Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Apollo
- Commodity
- gold
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Program Status
- detailed
- Test Type
- locked-cycle testing
- Sample
- Apollo master composite
Recovery
- Recovery
- 95 %
- Recovery Basis
- actual_test
- Head Grade
- 1.4
- Head Grade Unit
- g/t
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 95% gold recovery in locked-cycle testing is a strong indicator of processability.
Positive factors
- 95% recovery is exceptional for gold
Evidence · text
“95% gold, 92% silver, and 85% copper recovery”
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
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 95% is at or above the exceptional band (95%)
locked-cycle testingApollo · silverRecovery: 92 %Head Grade: 20Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Apollo
- Commodity
- silver
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Program Status
- detailed
- Test Type
- locked-cycle testing
- Sample
- Apollo master composite
Recovery
- Recovery
- 92 %
- Recovery Basis
- actual_test
- Head Grade
- 20
- Head Grade Unit
- g/t
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 92% silver recovery supports the cyanidation circuit strategy.
Positive factors
- 92% silver recovery is strong
Evidence · text
“92% silver”
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
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 92% is at or above the exceptional band (90%)
locked-cycle testingApollo · copperRecovery: 85 %Head Grade: 0.08Head Grade Unit: %View all detailsHide details
Identity
- Project
- Apollo
- Commodity
- copper
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Program Status
- detailed
- Test Type
- locked-cycle testing
- Sample
- Apollo master composite
Recovery
- Recovery
- 85 %
- Recovery Basis
- actual_test
- Head Grade
- 0.08
- Head Grade Unit
- %
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 85% copper recovery in a master composite provides a baseline for the broader deposit.
Positive factors
- 85% recovery is solid for a master composite
Evidence · text
“85% copper recovery”
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
Fact 4Apollo · cyanideView all detailsHide details
Identity
- Project
- Apollo
- Commodity
- cyanide
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Sample
- Apollo master composite
Reagents
- Cyanide
- 0.57 kg/t
- Reagent Notes
- low cyanide consumption of 0.57 kg/t in test work
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 0.57 kg/t cyanide consumption is considered low for gold/silver processing.
Positive factors
- Low cyanide consumption is an OPEX positive
Evidence · text
“low cyanide consumption of 0.57 kg/t”
open-circuit testingApollo · copperRecovery: 95 %Head Grade: 0.42Head Grade Unit: %View all detailsHide details
Identity
- Project
- Apollo
- Commodity
- copper
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Program Status
- detailed
- Test Type
- open-circuit testing
- Sample
- Copper sub-domain composite
Recovery
- Recovery
- 95 %
- Recovery Basis
- actual_test
- Head Grade
- 0.42
- Head Grade Unit
- %
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: High recovery and concentrate grade for the copper sub-domain validates the flotation strategy.
Positive factors
- 95% copper recovery is exceptional
- High grade concentrate (27.2% Cu) produced
Evidence · text
“95% copper recovery”
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 95% is at or above the exceptional band (92%)
open-circuit testingApollo · goldRecovery: 90 %Head Grade: 1.16Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Apollo
- Commodity
- gold
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Program Status
- detailed
- Test Type
- open-circuit testing
- Sample
- Copper sub-domain composite
Recovery
- Recovery
- 90 %
- Recovery Basis
- actual_test
- Head Grade
- 1.16
- Head Grade Unit
- g/t
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 90% gold recovery in the copper circuit is a strong byproduct signal.
Positive factors
- 90% gold recovery from flotation tailings/circuit
Evidence · text
“90% gold”
open-circuit testingApollo · silverRecovery: 94.4 %Head Grade: 71Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Apollo
- Commodity
- silver
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Program Status
- detailed
- Test Type
- open-circuit testing
- Sample
- Copper sub-domain composite
Recovery
- Recovery
- 94.4 %
- Recovery Basis
- actual_test
- Head Grade
- 71
- Head Grade Unit
- g/t
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: High silver recovery supports the integrated flowsheet.
Positive factors
- 94.4% silver recovery is strong
Evidence · text
“94.4% silver recovery”
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 94.4% is at or above the exceptional band (90%)
gravity and flotationApollo · tungstenRecovery: 74 %Head Grade: 0.44Head Grade Unit: %View all detailsHide details
Identity
- Project
- Apollo
- Commodity
- tungsten
- Region
- colombia
- Reported Region
- Caldas, Colombia
- Ticker
- CNL
Test Work
- Program Status
- detailed
- Test Type
- gravity and flotation
- Processing Route
- flotation
- Sample
- Tungsten sub-domain test work
Recovery
- Recovery
- 74 %
- Recovery Basis
- actual_test
- Head Grade
- 0.44
- Head Grade Unit
- %
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 74% tungsten recovery is acceptable but represents a key area for optimization.
Positive factors
- 74% recovery is a good start for tungsten
Negative factors
- 74% is moderate compared to base metals
Evidence · text
“Tungsten recovery through gravity and flotation of up to 74%”
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
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
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.