Cotabambas Project - Growth in Exploration Activities

Original announcement by tmx on

Company
Panoro Minerals Ltd.
Ticker
PML
Exchange
TSX
Region
Apurimac, Peru
Primary commodity
Copper
Secondary commodities
Gold, Silver, Molybdenum
Document categories
Resource update, Drill results, Metallurgy
Extracted
2026-09-14 18:35:31 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Panoro Minerals is expanding exploration activities at the Cotabambas Project in Peru, adding drill rigs and commencing geophysics and machine learning studies. The company is also initiating a two-stage metallurgical testing program to support future PEA and PFS studies.

Reasoning: The company is aggressively ramping up exploration and metallurgical work at a large, existing copper-gold-silver project, supported by a significant drill intercept (CB-228) and new drilling activity.

Positive factors

  • significant drill intercept confirming continuity
  • expansion of drill program with multiple rigs
  • advancement of metallurgical testing for PEA/PFS
  • large existing mineral resource base

Facts used in scoring: 9

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The second drill rig is focused on step-out drill holes targeting delineation of mineralization along strike and at depth.

Evidence · text

“focused on step-out drill holes targeting the delineation of mineralization along strike and at depth”

QA/QC Disclosedpositive

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

Why it applies: The release mentions assay results from the ALS Peru laboratory.

Evidence · text

“Assay results from the ALS Peru laboratory are expected within 15 days.”

Mill Routeneutral

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

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

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

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

Extracted facts

Stored fact records: 9. Some facts used in scoring do not have a stored record.

Drill Results (1)

CB-228Cotabambas · copperGrade: 1.04Grade Unit: %Intercept: 317.6 mView all details
Link to this fact

Identity

Hole ID
CB-228
Project
Cotabambas
Commodity
copper
Region
peru
Reported Region
peru
Ticker
PML

Geometry

Grade
1.04
Grade Unit
%
Intercept
317.6 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: 317.6m intercept at 1.04% CuEq is a significant width and grade for a porphyry-style system.

Positive factors

  • large width
  • confirms continuity from surface to 850m

Evidence · text

“Drillhole CB-228 recently intersected 317.6 m at 1.04% CuEq”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Resource Estimates (8)

indicatedCotabambas · copperTonnes: 507300000Grade: 0.33Grade Unit: %Contained Metal: 3800000000Contained Unit: lbsView all details
Link to this fact

Identity

Project
Cotabambas
Commodity
copper
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:0d4bb1f809f136c73b28
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
indicated
Tonnes
507300000
Grade
0.33
Grade Unit
%
Contained Metal
3800000000
Contained Unit
lbs

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Large indicated resource base.

Positive factors

  • large tonnage

Evidence · text

“Indicated Mineral Resources of 507.3 million tonnes grading 0.33% copper”

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

indicatedCotabambas · goldTonnes: 507300000Grade: 0.2Grade Unit: g/tContained Metal: 3.3Contained Unit: mozView all details
Link to this fact

Identity

Project
Cotabambas
Commodity
gold
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:0d4bb1f809f136c73b28
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
indicated
Tonnes
507300000
Grade
0.2
Grade Unit
g/t
Contained Metal
3.3
Contained Unit
moz

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Byproduct gold in indicated resource.

Evidence · text

“0.20 g/t gold”

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

indicatedCotabambas · silverTonnes: 507300000Grade: 2.42Grade Unit: g/tContained Metal: 39.5Contained Unit: mozView all details
Link to this fact

Identity

Project
Cotabambas
Commodity
silver
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:0d4bb1f809f136c73b28
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
indicated
Tonnes
507300000
Grade
2.42
Grade Unit
g/t
Contained Metal
39.5
Contained Unit
moz

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Byproduct silver in indicated resource.

Evidence · text

“2.42 g/t silver”

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

indicatedCotabambas · molybdenumTonnes: 507300000Grade: 0.0021Grade Unit: %View all details
Link to this fact

Identity

Project
Cotabambas
Commodity
molybdenum
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:0d4bb1f809f136c73b28
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
indicated
Tonnes
507300000
Grade
0.0021
Grade Unit
%

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Trace molybdenum in indicated resource.

Evidence · text

“0.0021% molybdenum”

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

inferredCotabambas · copperTonnes: 496000000Grade: 0.27Grade Unit: %Contained Metal: 3000000000Contained Unit: lbsView all details
Link to this fact

Identity

Project
Cotabambas
Commodity
copper
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:b6d8e323be2119c985c6
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
496000000
Grade
0.27
Grade Unit
%
Contained Metal
3000000000
Contained Unit
lbs

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Large inferred resource base.

Evidence · text

“Inferred Mineral Resources of 496.0 million tonnes grading 0.27% copper”

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 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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

inferredCotabambas · goldTonnes: 496000000Grade: 0.17Grade Unit: g/tContained Metal: 2.7Contained Unit: mozView all details
Link to this fact

Identity

Project
Cotabambas
Commodity
gold
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:b6d8e323be2119c985c6
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
496000000
Grade
0.17
Grade Unit
g/t
Contained Metal
2.7
Contained Unit
moz

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Byproduct gold in inferred resource.

Evidence · text

“0.17 g/t gold”

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 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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

inferredCotabambas · silverTonnes: 496000000Grade: 2.53Grade Unit: g/tContained Metal: 40.9Contained Unit: mozView all details
Link to this fact

Identity

Project
Cotabambas
Commodity
silver
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:b6d8e323be2119c985c6
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
496000000
Grade
2.53
Grade Unit
g/t
Contained Metal
40.9
Contained Unit
moz

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Byproduct silver in inferred resource.

Evidence · text

“2.53 g/t silver”

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 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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

inferredCotabambas · molybdenumTonnes: 496000000Grade: 0.0027Grade Unit: %View all details
Link to this fact

Identity

Project
Cotabambas
Commodity
molybdenum
Region
peru
Reported Region
Apurimac, Peru
Ticker
PML

Resource scope

Estimate type
resource
Effective date
2023-11-20T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Paul Daigle, Oscar Retto, Neil Lincoln
Resource group id
resource:b6d8e323be2119c985c6
Deposit or zone
Cotabambas
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
496000000
Grade
0.0027
Grade Unit
%

Prior Estimate

Resource Date
2023-11-20

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-27T00:00:00.000Z

Reasoning: Trace molybdenum in inferred resource.

Evidence · text

“0.0027% molybdenum”

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 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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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 2.7 years before this release

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.