Camino Announces Filing of Pre-Feasibility Study Technical Report and Provides Update on Previously Announced Acquisition of the Puquios Copper Project

Original announcement by tmx on

Company
Camino Minerals Corporation
Ticker
COR
Exchange
TSX
Region
Chile
Primary commodity
Copper
Secondary commodities
None reported
Document categories
Resource update, Agreement transaction, Metallurgy, Other
Extracted
2026-09-13 19:20:58 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Camino Minerals Corporation announced the filing of a positive Pre-Feasibility Study (PFS) Technical Report for the Puquios Copper Project, which it is acquiring. The PFS highlights robust economics with an after-tax NPV of US$118 million and an IRR of 23.4% at a fixed copper price of US$4.28 per pound, with all-in sustaining costs of US$2.00 per pound. The project has received its primary environmental permit, positioning the company to become a copper producer upon the expected closing of the acquisition in early April 2025.

Reasoning: The company announced the filing of a positive Pre-Feasibility Study for the acquired Puquios Copper Project, highlighting robust economics and a clear path to production, which is a significant de-risking event and a step towards becoming a copper producer.

Positive factors

  • Filing of positive Pre-Feasibility Study (PFS)
  • Acquisition of construction-ready project
  • Robust project economics (NPV, IRR)
  • Primary environmental permit received
  • NI 43-101 compliant resource and reserve estimates

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 17

Classification and evidence

NI 43-101 Compliantpositive

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

Why it applies: The Puquios Project Technical Report was prepared in accordance with National Instrument 43-101.

Evidence · text

“The Puquios Project Technical Report was prepared in accordance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects (" NI 43-101 ")”

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. Cristian Quiñones is the Qualified Person for the resource estimates and Jesse Aarsen is the Independent Qualified Person for the reserve estimates.

Evidence · text

“The Qualified Person for the estimates is Mr. Cristian Quiñones, RM CMC, AsGeoMin SpA. ... The Mineral Reserves estimates were prepared by Jesse Aarsen, P.Eng. (who is also an Independent Qualified Person)”

Resource Updateneutral

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

Why it applies: The document presents a Pre-Feasibility Study (PFS) which includes updated Mineral Resource and Mineral Reserve estimates.

Evidence · text

“Puquios Project - NI 43-101 Technical Report and Pre-feasibilityStudy, La Higuera, Coquimbo Region, Chile”

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: The resource and reserve estimates are presented as part of a Pre-Feasibility Study.

Evidence · text

“Puquios Project - NI 43-101 Technical Report and Pre-feasibilityStudy, La Higuera, Coquimbo Region, Chile”

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: The company explicitly states that 'Heap leach copper production is one of the most cost-effective ways to build a copper mine'.

Evidence · text

“Heap leach copper production is one of the most cost-effective ways to build a copper mine”

Cut-off Disclosedpositive

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

Why it applies: The cut-off grade for mineral resources is 0.15% total copper (CuT) and for mineral reserves is NSR >= US$5.59/t.

Evidence · text

“Mineral Resources are reported using a cut-off grade of 0.15% total copper (CuT). ... The cut-off grade used for ore/waste determination is NSR >= US$5.59/t.”

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: The resource estimate includes a Measured category of 26,496 kt at 0.475% CuT.

Evidence · table

“Measured”

Context: 26,496

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The resource estimate includes an Indicated category of 5,664 kt at 0.399% CuT.

Evidence · table

“Indicated”

Context: 5,664

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The resource estimate includes an Inferred category of 660 kt at 0.295% CuT.

Evidence · table

“Inferred”

Context: 660

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve estimate includes a Proven category of 21,805 kt at 0.506% CuT.

Evidence · table

“Proven”

Context: 21,805

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve estimate includes a Probable category of 4,168 kt at 0.43% CuT.

Evidence · table

“Probable”

Context: 4,168

Extracted facts

Stored fact records: 16. Some facts used in scoring do not have a stored record.

Resource Estimates (15)

measuredPuquios Project · copperTonnes: 26496000Grade: 0.475Grade Unit: %Contained Metal: 126000Contained Unit: tView all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:82ea59ea694489e2ef7a

Resource Data

Category
measured
Tonnes
26496000
Grade
0.475
Grade Unit
%
Contained Metal
126000
Contained Unit
t
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: High confidence Measured resource with good total copper grade, supporting project viability.

Positive factors

  • High confidence Measured category
  • Good grade for open pit copper

Evidence · table

“0.475”

Context: 26,496

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

measuredPuquios Project · copperTonnes: 26496000Grade: 0.117Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:82ea59ea694489e2ef7a

Resource Data

Category
measured
Tonnes
26496000
Grade
0.117
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Measured resource for sulphide copper, providing important metallurgical data.

Positive factors

  • High confidence Measured category
  • Sulphide copper grade provides metallurgical context

Evidence · table

“0.117”

Context: 26,496

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

measuredPuquios Project · copperTonnes: 26496000Grade: 0.232Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:82ea59ea694489e2ef7a

Resource Data

Category
measured
Tonnes
26496000
Grade
0.232
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Measured resource for cyanide soluble copper, providing important metallurgical data.

Positive factors

  • High confidence Measured category
  • Cyanide soluble copper grade provides metallurgical context

Evidence · table

“0.232”

Context: 26,496

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

indicatedPuquios Project · copperTonnes: 5664000Grade: 0.399Grade Unit: %Contained Metal: 23000Contained Unit: tView all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:05aac7e7779e55caefc8

Resource Data

Category
indicated
Tonnes
5664000
Grade
0.399
Grade Unit
%
Contained Metal
23000
Contained Unit
t
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: High confidence Indicated resource with good total copper grade, supporting project viability.

Positive factors

  • High confidence Indicated category
  • Good grade for open pit copper

Evidence · table

“0.399”

Context: 5,664

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 Disclosedpositive

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

Why it applies: cutoff_grade is 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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

indicatedPuquios Project · copperTonnes: 5664000Grade: 0.111Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:05aac7e7779e55caefc8

Resource Data

Category
indicated
Tonnes
5664000
Grade
0.111
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Indicated resource for sulphide copper, providing important metallurgical data.

Positive factors

  • High confidence Indicated category
  • Sulphide copper grade provides metallurgical context

Evidence · table

“0.111”

Context: 5,664

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 Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

indicatedPuquios Project · copperTonnes: 5664000Grade: 0.167Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:05aac7e7779e55caefc8

Resource Data

Category
indicated
Tonnes
5664000
Grade
0.167
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Indicated resource for cyanide soluble copper, providing important metallurgical data.

Positive factors

  • High confidence Indicated category
  • Cyanide soluble copper grade provides metallurgical context

Evidence · table

“0.167”

Context: 5,664

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 Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

indicatedPuquios Project · copperTonnes: 32160000Grade: 0.462Grade Unit: %Contained Metal: 149000Contained Unit: tView all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:4e232470d932b69423aa

Resource Data

Category
indicated
Tonnes
32160000
Grade
0.462
Grade Unit
%
Contained Metal
149000
Contained Unit
t
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Combined Measured and Indicated resource with good total copper grade, supporting project viability.

Positive factors

  • High confidence Indicated category
  • Good grade for open pit copper

Evidence · table

“0.462”

Context: 32,160

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 Disclosedpositive

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

Why it applies: cutoff_grade is 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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

indicatedPuquios Project · copperTonnes: 32160000Grade: 0.116Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:4e232470d932b69423aa

Resource Data

Category
indicated
Tonnes
32160000
Grade
0.116
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Combined Measured and Indicated resource for sulphide copper, providing important metallurgical data.

Positive factors

  • High confidence Indicated category
  • Sulphide copper grade provides metallurgical context

Evidence · table

“0.116”

Context: 32,160

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 Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

indicatedPuquios Project · copperTonnes: 32160000Grade: 0.22Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:4e232470d932b69423aa

Resource Data

Category
indicated
Tonnes
32160000
Grade
0.22
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Combined Measured and Indicated resource for cyanide soluble copper, providing important metallurgical data.

Positive factors

  • High confidence Indicated category
  • Cyanide soluble copper grade provides metallurgical context

Evidence · table

“0.22”

Context: 32,160

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 Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

inferredPuquios Project · copperTonnes: 660000Grade: 0.295Grade Unit: %Contained Metal: 2000Contained Unit: tView all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:1c771ec14ff537af6097

Resource Data

Category
inferred
Tonnes
660000
Grade
0.295
Grade Unit
%
Contained Metal
2000
Contained Unit
t
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Inferred resource provides additional total copper potential but with lower geological confidence.

Positive factors

  • Adds to overall resource potential

Negative factors

  • Lower confidence Inferred category

Evidence · table

“0.295”

Context: 660

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

inferredPuquios Project · copperTonnes: 660000Grade: 0.133Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:1c771ec14ff537af6097

Resource Data

Category
inferred
Tonnes
660000
Grade
0.133
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Inferred resource for sulphide copper, providing additional metallurgical data with lower confidence.

Positive factors

  • Adds to overall resource potential

Negative factors

  • Lower confidence Inferred category

Evidence · table

“0.133”

Context: 660

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

inferredPuquios Project · copperTonnes: 660000Grade: 0.059Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Mr. Cristian Quiñones
Resource group id
resource:1c771ec14ff537af6097

Resource Data

Category
inferred
Tonnes
660000
Grade
0.059
Grade Unit
%
Cutoff Grade
0.15
Cutoff Unit
% CuT

Prior Estimate

Resource Date
2021-03-08

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Inferred resource for cyanide soluble copper, providing additional metallurgical data with lower confidence.

Positive factors

  • Adds to overall resource potential

Negative factors

  • Lower confidence Inferred category

Evidence · table

“0.059”

Context: 660

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 4.0 years before this release

provenPuquios Project · copperTonnes: 21805000Grade: 0.506Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Jesse Aarsen
Resource group id
resource:9d0ee9e1bccdc1234e0c

Resource Data

Category
proven
Tonnes
21805000
Grade
0.506
Grade Unit
%
Cutoff Grade
5.59
Cutoff Unit
US$/t NSR

Prior Estimate

Resource Date
2021-09-21

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Highest confidence Proven Reserve with good copper grade, forming a strong basis for project development.

Positive factors

  • Highest confidence Proven Reserve category
  • Good grade for open pit copper
  • Supports project economics

Evidence · table

“0.506”

Context: 21,805

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.5 years before this release

probablePuquios Project · copperTonnes: 4168000Grade: 0.43Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Jesse Aarsen
Resource group id
resource:018b69c010747d36518f

Resource Data

Category
probable
Tonnes
4168000
Grade
0.43
Grade Unit
%
Cutoff Grade
5.59
Cutoff Unit
US$/t NSR

Prior Estimate

Resource Date
2021-09-21

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: High confidence Probable Reserve with good copper grade, contributing to project development.

Positive factors

  • High confidence Probable Reserve category
  • Good grade for open pit copper
  • Supports project economics

Evidence · table

“0.43”

Context: 4,168

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.5 years before this release

probablePuquios Project · copperTonnes: 25973000Grade: 0.494Grade Unit: %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Jesse Aarsen
Resource group id
resource:5a633d5b5b691c075cac

Resource Data

Category
probable
Tonnes
25973000
Grade
0.494
Grade Unit
%
Cutoff Grade
5.59
Cutoff Unit
US$/t NSR

Prior Estimate

Resource Date
2021-09-21

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Total Probable Reserve with good copper grade, providing a comprehensive view of project economics.

Positive factors

  • High confidence Probable Reserve category
  • Good grade for open pit copper
  • Supports project economics

Evidence · table

“0.494”

Context: 25,973

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.5 years before this release

Metallurgical Results (1)

Fact 1Puquios Project · copperRecovery: 79 %View all details
Link to this fact

Identity

Project
Puquios Project
Commodity
copper
Region
chile
Reported Region
Chile
Ticker
COR

Test Work

Program Status
detailed
Processing Route
heap leach

Recovery

Recovery
79 %
Recovery Basis
unspecified

Review

Needs Review
No
Historical
No

Dates

Event date
2025-03-17T00:00:00.000Z

Reasoning: Average metallurgical recovery for copper at 79% supports the reserve estimate, which is reasonable for a heap leach operation.

Positive factors

  • Good recovery for heap leach processing
  • Supports reserve estimate

Negative factors

  • Specific test type not disclosed
  • Recovery basis unspecified

Evidence · text

“The average associated metallurgical recovery for copper is 79%.”

Tags used in scoring

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing_route matches the heap_leach 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.