First Quantum Files NI 43-101 Technical Report for La Granja

Original announcement by tmx on

Company
First Quantum Minerals Ltd.
Ticker
FM
Exchange
TSX
Region
Peru
Primary commodity
Copper
Secondary commodities
Silver, Gold, Molybdenum
Document categories
Resource update
Extracted
2026-09-17 22:50:39 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

First Quantum Minerals has filed an updated NI 43-101 technical report for the La Granja project in Peru, featuring a massive mineral resource estimate. The update includes 4.831 billion tonnes of Measured and Indicated resources at 0.48% Cu and 5.206 billion tonnes of Inferred resources at 0.40% Cu.

Reasoning: The update provides a massive, high-confidence copper resource estimate for a Tier 1 scale project, though it remains early-stage with a significant inferred portion and metallurgical arsenic considerations.

Positive factors

  • Massive scale of copper resource (over 23 Mt contained Cu in M&I)
  • Improved geological confidence from targeted drilling
  • Large-scale porphyry-skarn-epithermal system potential
  • Open at depth with continuity demonstrated

Negative factors

  • High Inferred component (approx 52% of total tonnes)
  • Presence of variable arsenic content (enargite)

Facts used in scoring: 13

Classification and evidence

NI 43-101 Compliantpositive

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

Why it applies: The report was prepared in accordance with NI 43-101 standards.

Evidence · text

“The Report was prepared in accordance with National Instrument 43-101”

Inferred Resourcenegative

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

Why it applies: A significant portion of the resource is classified as Inferred.

Evidence · text

“approximately 5.206 billion tonnes of Inferred Resources”

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: Multiple Qualified Persons are named as responsible for different aspects of the report.

Evidence · text

“Mr. Gomez meets the requirements of a Qualified Person (“QP”)”

Cut-off Disclosedpositive

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

Why it applies: The resource is reported at a specific 0.16% Cu cut-off grade.

Evidence · text

“reported at a 0.16% Cu cut-off grade”

Resource Updateneutral

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

Why it applies: The source explicitly discloses a revised resource estimate

Evidence · text

“updated Mineral Resource estimate”

Extracted facts

Stored fact records: 13. Some facts used in scoring do not have a stored record.

Resource Estimates (13)

measuredLa Granja · copperTonnes: 1427000000Grade: 0.56Grade Unit: %Contained Metal: 8Contained Unit: mtView all details
Link to this fact

Identity

Project
La Granja
Commodity
copper
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:4daab6ec5217b55b6c5c
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
measured
Tonnes
1427000000
Grade
0.56
Grade Unit
%
Contained Metal
8
Contained Unit
mt
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Measured category provides high geological confidence.

Positive factors

  • High grade for a large-scale porphyry

Evidence · table

“0.56”

Context: 1,427

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

measuredLa Granja · silverTonnes: 1427000000Grade: 4.26Grade Unit: g/tContained Metal: 195.4Contained Unit: mozView all details
Link to this fact

Identity

Project
La Granja
Commodity
silver
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:4daab6ec5217b55b6c5c
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
measured
Tonnes
1427000000
Grade
4.26
Grade Unit
g/t
Contained Metal
195.4
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct silver grade.

Evidence · table

“4.26”

Context: 1,427

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

measuredLa Granja · goldTonnes: 1427000000Grade: 0.04Grade Unit: g/tContained Metal: 2Contained Unit: mozView all details
Link to this fact

Identity

Project
La Granja
Commodity
gold
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:4daab6ec5217b55b6c5c
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
measured
Tonnes
1427000000
Grade
0.04
Grade Unit
g/t
Contained Metal
2
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct gold grade.

Evidence · table

“0.04”

Context: 1,427

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

measuredLa Granja · molybdenumTonnes: 1427000000Grade: 231.8Grade Unit: mlbsContained Metal: 231.8Contained Unit: mlbsView all details
Link to this fact

Identity

Project
La Granja
Commodity
molybdenum
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:4daab6ec5217b55b6c5c
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
measured
Tonnes
1427000000
Grade
231.8
Grade Unit
mlbs
Contained Metal
231.8
Contained Unit
mlbs
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct molybdenum grade.

Evidence · table

“231.8”

Context: 1,427

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedLa Granja · copperTonnes: 3404000000Grade: 0.44Grade Unit: %Contained Metal: 15Contained Unit: mtView all details
Link to this fact

Identity

Project
La Granja
Commodity
copper
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:2e52fcad416a0e0751af
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
indicated
Tonnes
3404000000
Grade
0.44
Grade Unit
%
Contained Metal
15
Contained Unit
mt
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Indicated category provides reasonable geological confidence.

Evidence · table

“0.44”

Context: 3,404

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedLa Granja · silverTonnes: 3404000000Grade: 3.74Grade Unit: g/tContained Metal: 409.2Contained Unit: mozView all details
Link to this fact

Identity

Project
La Granja
Commodity
silver
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:2e52fcad416a0e0751af
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
indicated
Tonnes
3404000000
Grade
3.74
Grade Unit
g/t
Contained Metal
409.2
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct silver grade.

Evidence · table

“3.74”

Context: 3,404

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedLa Granja · goldTonnes: 3404000000Grade: 0.04Grade Unit: g/tContained Metal: 4.7Contained Unit: mozView all details
Link to this fact

Identity

Project
La Granja
Commodity
gold
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:2e52fcad416a0e0751af
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
indicated
Tonnes
3404000000
Grade
0.04
Grade Unit
g/t
Contained Metal
4.7
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct gold grade.

Evidence · table

“0.04”

Context: 3,404

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

indicatedLa Granja · molybdenumTonnes: 3404000000Grade: 427.9Grade Unit: mlbsContained Metal: 427.9Contained Unit: mlbsView all details
Link to this fact

Identity

Project
La Granja
Commodity
molybdenum
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:2e52fcad416a0e0751af
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
indicated
Tonnes
3404000000
Grade
427.9
Grade Unit
mlbs
Contained Metal
427.9
Contained Unit
mlbs
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct molybdenum grade.

Evidence · table

“427.9”

Context: 3,404

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredLa Granja · copperTonnes: 5206000000Grade: 0.4Grade Unit: %Contained Metal: 20.7Contained Unit: mtView all details
Link to this fact

Identity

Project
La Granja
Commodity
copper
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:696652c7706bcf6d1e09
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
inferred
Tonnes
5206000000
Grade
0.4
Grade Unit
%
Contained Metal
20.7
Contained Unit
mt
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Inferred resources are speculative and cannot support economic studies alone.

Negative factors

  • Inferred category limits engineering confidence

Evidence · table

“0.40”

Context: 5,206

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredLa Granja · silverTonnes: 5206000000Grade: 3.34Grade Unit: g/tContained Metal: 558.9Contained Unit: mozView all details
Link to this fact

Identity

Project
La Granja
Commodity
silver
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:696652c7706bcf6d1e09
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
inferred
Tonnes
5206000000
Grade
3.34
Grade Unit
g/t
Contained Metal
558.9
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct silver grade.

Evidence · table

“3.34”

Context: 5,206

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredLa Granja · goldTonnes: 5206000000Grade: 0.04Grade Unit: g/tContained Metal: 6.1Contained Unit: mozView all details
Link to this fact

Identity

Project
La Granja
Commodity
gold
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:696652c7706bcf6d1e09
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
inferred
Tonnes
5206000000
Grade
0.04
Grade Unit
g/t
Contained Metal
6.1
Contained Unit
moz
Cutoff Grade
0.16
Cutoff Unit
% Cu

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct gold grade.

Evidence · table

“0.04”

Context: 5,206

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredLa Granja · molybdenumTonnes: 5206000000Grade: 600.8Grade Unit: mlbsContained Metal: 600.8Contained Unit: mlbsView all details
Link to this fact

Identity

Project
La Granja
Commodity
molybdenum
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:696652c7706bcf6d1e09
Deposit or zone
La Granja
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
inferred
Tonnes
5206000000
Grade
600.8
Grade Unit
mlbs
Contained Metal
600.8
Contained Unit
mlbs
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Byproduct molybdenum grade.

Evidence · table

“600.8”

Context: 5,206

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredLa Granja · molybdenumTonnes: 4831000000Grade: 659.7Grade Unit: mlbsView all details
Link to this fact

Identity

Project
La Granja
Commodity
molybdenum
Region
peru
Reported Region
Peru
Ticker
FM

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Carmelo Gomez Dominguez, Antti Sjöblom, Robert Stone
Resource group id
resource:e1d5d50d11afd13a97eb
Mining method
open_pit
Ownership percent
55 %
Resource basis
attributable

Resource Data

Category
inferred
Tonnes
4831000000
Grade
659.7
Grade Unit
mlbs
Cutoff Grade
0.16
Cutoff Unit
%

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-05-11T00:00:00.000Z

Reasoning: Inferred resources are speculative and cannot support economic studies alone. (Expanded from multi-commodity resource table for completeness.)

Negative factors

  • Inferred category limits engineering confidence

Evidence · table

“659.7”

Context: 4,831

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

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.