ARL: Annual Report to shareholders
Original announcement by asx on
- Company
- Ardea Resources Limited
- Ticker
- ARL
- Exchange
- ASX
- Region
- Western Australia
- Primary commodity
- Nickel
- Secondary commodities
- Cobalt, Scandium, Rare earth elements, Rare metals, Gold, Copper
- Document categories
- Resource update, Capital raise, Other
- Extracted
- 2026-09-29 19:32:49 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Ardea Resources Limited's 2026 Annual Report details significant progress for its Kalgoorlie Nickel Project (KNP) - Goongarrie Hub, securing strategic recognition from Australian, Japanese, and US governments and potential project financing of up to A$1 billion. The company advanced its Definitive Feasibility Study (DFS) and strengthened partnerships, while also completing a successful A$5.34 million capital raise. The report also restates the JORC-compliant Mineral Resource Estimate for the KNP from June 2023, totaling 854 Mt at 0.71% Ni and 0.045% Co for 6.1 Mt contained nickel and 386 kt contained cobalt.
Reasoning: The annual report highlights significant strategic and operational progress for the Kalgoorlie Nickel Project, including government recognition, strong partnerships, and successful funding. While the DFS completion was extended and the resource estimate is stale, the overall outlook presented is positive for the company's long-term development.
Positive factors
- Strategic recognition by governments for critical minerals project
- Strengthened global partnerships and increased JV ownership
- Progress in Definitive Feasibility Study (DFS) and value engineering
- Successful capital raise strengthening the balance sheet
- Significant contained metal in the resource estimate
Negative factors
- DFS completion extended beyond original target
- Resource estimate effective date is over two years old, indicating staleness
Facts used in scoring: 37
Classification and evidence
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document provides an updated Mineral Resource Estimate for the Kalgoorlie Nickel Project.
Evidence · text
“Mineral Resource Estimate”
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The Mineral Resource Estimate is reported in accordance with JORC Code (2012) guidelines.
Evidence · text
“JORC Code (2012) guidelines”
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: The Resource Estimation is based on information reviewed or compiled by Mr Ian Buchhorn and Mr Andrew Penkethman, who are Competent Persons.
Evidence · text
“information reviewed or compiled by Mr Ian Buchhorn, and Mr Andrew Penkethman”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The resource estimate explicitly states a 0.5% nickel cut-off grade.
Evidence · text
“based on a greater than 0.5% Ni cut-off grade”
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: The effective date of the Mineral Resource Estimate is 30 June 2023, while the annual report is for FY2026 (published September 2026), making the estimate over two years old.
Evidence · text
“KNP nickel and cobalt MRE at 30 June 2023”
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 for nickel and cobalt.
Evidence · table
“Measured”
Context: Goongarrie Hub1 Measured
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 for nickel and cobalt.
Evidence · table
“Indicated”
Context: Goongarrie Hub1 Indicated
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 for nickel and cobalt.
Evidence · table
“Inferred”
Context: Goongarrie Hub1 Inferred
Extracted facts
Stored fact records: 37. Some facts used in scoring do not have a stored record.
Resource Estimates (37)
Goongarrie HubKalgoorlie Nickel Project · nickelTonnes: 584000000Grade: 0.69Grade Unit: %Contained Metal: 4044Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:9b3acb7a8b0b986ee8c5
- Deposit or zone
- Goongarrie Hub
Resource Data
- Tonnes
- 584000000
- Grade
- 0.69
- Grade Unit
- %
- Contained Metal
- 4044
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The combined resource for the Goongarrie Hub represents a very large nickel endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Very large combined resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“584”
Context: Goongarrie Hub1 Sub Total Combined
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Goongarrie HubKalgoorlie Nickel Project · cobaltTonnes: 584000000Grade: 0.043Grade Unit: %Contained Metal: 250Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:9b3acb7a8b0b986ee8c5
- Deposit or zone
- Goongarrie Hub
Resource Data
- Tonnes
- 584000000
- Grade
- 0.043
- Grade Unit
- %
- Contained Metal
- 250
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The combined resource for the Goongarrie Hub represents a very large cobalt endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Very large combined resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.043”
Context: Goongarrie Hub1 Sub Total Combined
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Kalpini Hub including Yerilla HubKalgoorlie Nickel Project · nickelTonnes: 270000000Grade: 0.76Grade Unit: %Contained Metal: 2056Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:cc793d27d44a015a7180
- Deposit or zone
- Kalpini Hub including Yerilla Hub
Resource Data
- Tonnes
- 270000000
- Grade
- 0.76
- Grade Unit
- %
- Contained Metal
- 2056
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The combined resource for the Kalpini Hub represents a large nickel endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Large combined resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“270”
Context: Kalpini Hub including Yerilla Hub2 Sub Total Combined
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Kalpini Hub including Yerilla HubKalgoorlie Nickel Project · cobaltTonnes: 270000000Grade: 0.05Grade Unit: %Contained Metal: 136Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:cc793d27d44a015a7180
- Deposit or zone
- Kalpini Hub including Yerilla Hub
Resource Data
- Tonnes
- 270000000
- Grade
- 0.05
- Grade Unit
- %
- Contained Metal
- 136
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The combined resource for the Kalpini Hub represents a large cobalt endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Large combined resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.050”
Context: Kalpini Hub including Yerilla Hub2 Sub Total Combined
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Kalgoorlie Nickel Project TotalKalgoorlie Nickel Project · nickelTonnes: 854000000Grade: 0.71Grade Unit: %Contained Metal: 6101Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:c00caf9874a904869b5f
- Deposit or zone
- Kalgoorlie Nickel Project Total
Resource Data
- Tonnes
- 854000000
- Grade
- 0.71
- Grade Unit
- %
- Contained Metal
- 6101
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The grand total resource for the KNP represents a globally significant nickel endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Globally significant combined resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“854”
Context: Kalgoorlie Nickel Project Total Grand Total
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Kalgoorlie Nickel Project TotalKalgoorlie Nickel Project · cobaltTonnes: 854000000Grade: 0.045Grade Unit: %Contained Metal: 386Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:c00caf9874a904869b5f
- Deposit or zone
- Kalgoorlie Nickel Project Total
Resource Data
- Tonnes
- 854000000
- Grade
- 0.045
- Grade Unit
- %
- Contained Metal
- 386
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The grand total resource for the KNP represents a globally significant cobalt endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Globally significant combined resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.045”
Context: Kalgoorlie Nickel Project Total Grand Total
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Goongarrie HubKalgoorlie Nickel ProjectTonnes: 584000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:9b3acb7a8b0b986ee8c5
- Deposit or zone
- Goongarrie Hub
Resource Data
- Tonnes
- 584000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The combined resource for the Goongarrie Hub represents a very large tonnage, but the estimate is stale as it dates back to June 2023.
Positive factors
- Very large combined resource tonnage for the Goongarrie Hub
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“584”
Context: Goongarrie Hub1 Sub Total Combined
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Kalpini Hub including Yerilla HubKalgoorlie Nickel ProjectTonnes: 270000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:cc793d27d44a015a7180
- Deposit or zone
- Kalpini Hub including Yerilla Hub
Resource Data
- Tonnes
- 270000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The combined resource for the Kalpini Hub represents a large tonnage, but the estimate is stale as it dates back to June 2023.
Positive factors
- Large combined resource tonnage for the Kalpini Hub
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“270”
Context: Kalpini Hub including Yerilla Hub2 Sub Total Combined
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Kalgoorlie Nickel Project TotalKalgoorlie Nickel ProjectTonnes: 854000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:c00caf9874a904869b5f
- Deposit or zone
- Kalgoorlie Nickel Project Total
Resource Data
- Tonnes
- 854000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The grand total resource for the KNP represents a globally significant tonnage, but the estimate is stale as it dates back to June 2023.
Positive factors
- Globally significant combined resource tonnage for the KNP
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“854”
Context: Kalgoorlie Nickel Project Total Grand Total
Tags used in scoring
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel ProjectTonnes: 18000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:785d083b12d569fdf2df
- Deposit or zone
- Goongarrie Hub
Resource Data
- Category
- measured
- Tonnes
- 18000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the Goongarrie Hub shows high confidence, but the estimate is stale as it dates back to June 2023.
Positive factors
- High confidence Measured category
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“18”
Context: Goongarrie Hub1 Measured
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel ProjectTonnes: 277000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:5a5cdff13a517f7eeefe
- Deposit or zone
- Goongarrie Hub
Resource Data
- Category
- indicated
- Tonnes
- 277000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the Goongarrie Hub represents a significant tonnage, but the estimate is stale as it dates back to June 2023.
Positive factors
- Large Indicated resource tonnage
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“277”
Context: Goongarrie Hub1 Indicated
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel ProjectTonnes: 289000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:2ff0e129497cb5880a09
- Deposit or zone
- Goongarrie Hub
Resource Data
- Category
- inferred
- Tonnes
- 289000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the Goongarrie Hub indicates significant potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Large Inferred resource tonnage
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“289”
Context: Goongarrie Hub1 Inferred
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel ProjectTonnes: 4000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:be4c2cec04862b0e8ba9
- Deposit or zone
- Kalpini Hub including Yerilla Hub
Resource Data
- Category
- measured
- Tonnes
- 4000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the Kalpini Hub shows high confidence, but the tonnage is relatively small and the estimate is stale.
Positive factors
- High confidence Measured category
- JORC compliant and QP signed
Negative factors
- Relatively small tonnage for Measured category
- Estimate effective date is over two years old
Evidence · table
“4”
Context: Kalpini Hub including Yerilla Hub2 Measured
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel ProjectTonnes: 84000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:dfc57cd8642cd0f00966
- Deposit or zone
- Kalpini Hub including Yerilla Hub
Resource Data
- Category
- indicated
- Tonnes
- 84000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the Kalpini Hub represents a significant tonnage, but the estimate is stale as it dates back to June 2023.
Positive factors
- Significant Indicated resource tonnage
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“84”
Context: Kalpini Hub including Yerilla Hub2 Indicated
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel ProjectTonnes: 182000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:81571c22b9e7cffc1125
- Deposit or zone
- Kalpini Hub including Yerilla Hub
Resource Data
- Category
- inferred
- Tonnes
- 182000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the Kalpini Hub indicates significant potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Large Inferred resource tonnage
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“182”
Context: Kalpini Hub including Yerilla Hub2 Inferred
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel ProjectTonnes: 22000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:ccdd0ecb1916f0367ec3
- Deposit or zone
- Kalgoorlie Nickel Project Total
Resource Data
- Category
- measured
- Tonnes
- 22000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the total KNP shows high confidence, but the estimate is stale as it dates back to June 2023.
Positive factors
- High confidence Measured category
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“22”
Context: Kalgoorlie Nickel Project Total Measured
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel ProjectTonnes: 361000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:c689ad7fd10faa5ec99b
- Deposit or zone
- Kalgoorlie Nickel Project Total
Resource Data
- Category
- indicated
- Tonnes
- 361000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the total KNP represents a very large tonnage, but the estimate is stale as it dates back to June 2023.
Positive factors
- Very large Indicated resource tonnage
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“361”
Context: Kalgoorlie Nickel Project Total Indicated
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel ProjectTonnes: 471000000Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:37d3de7a7559ba98b880
- Deposit or zone
- Kalgoorlie Nickel Project Total
Resource Data
- Category
- inferred
- Tonnes
- 471000000
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the total KNP indicates very large potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Very large Inferred resource tonnage
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“471”
Context: Kalgoorlie Nickel Project Total Inferred
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
Fact 19Kalgoorlie Nickel ProjectView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Reporting standards
- jorc
- Resource group id
- resource:40b4c6856c1ffab4ffb8
- Mining method
- combined
- Ownership percent
- 100 %
Prior Estimate
- Resource Date
- 2026-03-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: The Share Purchase Plan raised an additional A$340,000, further contributing to the company's financial strength.
Positive factors
- Successful Share Purchase Plan
- Strengthened the Company's balance sheet
Evidence · text
“subsequently completed a Share Purchase Plan raising a further A$340,000”
Tags used in scoring
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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
measuredKalgoorlie Nickel Project · nickelTonnes: 18000000Grade: 0.94Grade Unit: %Contained Metal: 171Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:8c119de361baef470d2d
- Deposit or zone
- Goongarrie Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 18000000
- Grade
- 0.94
- Grade Unit
- %
- Contained Metal
- 171
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the Goongarrie Hub shows good nickel grade and high confidence, but the estimate is stale as it dates back to June 2023.
Positive factors
- High confidence Measured category
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.94”
Context: 18
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel Project · cobaltTonnes: 18000000Grade: 0.085Grade Unit: %Contained Metal: 15Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:8c119de361baef470d2d
- Deposit or zone
- Goongarrie Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 18000000
- Grade
- 0.085
- Grade Unit
- %
- Contained Metal
- 15
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the Goongarrie Hub shows good cobalt grade and high confidence, but the estimate is stale as it dates back to June 2023.
Positive factors
- High confidence Measured category
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.085”
Context: 18
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel Project · nickelTonnes: 277000000Grade: 0.7Grade Unit: %Contained Metal: 1923Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:d5f62df7d77a812ef5fc
- Deposit or zone
- Goongarrie Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 277000000
- Grade
- 0.7
- Grade Unit
- %
- Contained Metal
- 1923
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the Goongarrie Hub represents a significant tonnage of nickel, but the estimate is stale as it dates back to June 2023.
Positive factors
- Large Indicated resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.70”
Context: 277
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel Project · cobaltTonnes: 277000000Grade: 0.046Grade Unit: %Contained Metal: 127Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:d5f62df7d77a812ef5fc
- Deposit or zone
- Goongarrie Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 277000000
- Grade
- 0.046
- Grade Unit
- %
- Contained Metal
- 127
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the Goongarrie Hub represents a significant tonnage of cobalt, but the estimate is stale as it dates back to June 2023.
Positive factors
- Large Indicated resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.046”
Context: 277
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel Project · nickelTonnes: 289000000Grade: 0.67Grade Unit: %Contained Metal: 1951Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:0456e53a6d150becca6a
- Deposit or zone
- Goongarrie Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 289000000
- Grade
- 0.67
- Grade Unit
- %
- Contained Metal
- 1951
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the Goongarrie Hub indicates significant nickel potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Large Inferred resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“0.67”
Context: 289
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel Project · cobaltTonnes: 289000000Grade: 0.037Grade Unit: %Contained Metal: 108Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:0456e53a6d150becca6a
- Deposit or zone
- Goongarrie Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 289000000
- Grade
- 0.037
- Grade Unit
- %
- Contained Metal
- 108
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the Goongarrie Hub indicates significant cobalt potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Large Inferred resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“0.037”
Context: 289
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel Project · nickelTonnes: 4000000Grade: 0.94Grade Unit: %Contained Metal: 36Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:eb164c93b5fbdaa98f24
- Deposit or zone
- Kalpini Hub including Yerilla Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 4000000
- Grade
- 0.94
- Grade Unit
- %
- Contained Metal
- 36
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the Kalpini Hub shows good nickel grade and high confidence, but the tonnage is relatively small and the estimate is stale.
Positive factors
- High confidence Measured category
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Relatively small tonnage for Measured category
- Estimate effective date is over two years old
Evidence · table
“0.94”
Context: 4
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel Project · cobaltTonnes: 4000000Grade: 0.048Grade Unit: %Contained Metal: 2Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:eb164c93b5fbdaa98f24
- Deposit or zone
- Kalpini Hub including Yerilla Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 4000000
- Grade
- 0.048
- Grade Unit
- %
- Contained Metal
- 2
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the Kalpini Hub shows good cobalt grade and high confidence, but the tonnage is relatively small and the estimate is stale.
Positive factors
- High confidence Measured category
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Relatively small tonnage for Measured category
- Estimate effective date is over two years old
Evidence · table
“0.048”
Context: 4
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel Project · nickelTonnes: 84000000Grade: 0.83Grade Unit: %Contained Metal: 699Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:988b338e3fa07c3e371d
- Deposit or zone
- Kalpini Hub including Yerilla Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 84000000
- Grade
- 0.83
- Grade Unit
- %
- Contained Metal
- 699
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the Kalpini Hub represents a significant tonnage of nickel, but the estimate is stale as it dates back to June 2023.
Positive factors
- Significant Indicated resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.83”
Context: 84
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel Project · cobaltTonnes: 84000000Grade: 0.05Grade Unit: %Contained Metal: 42Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:988b338e3fa07c3e371d
- Deposit or zone
- Kalpini Hub including Yerilla Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 84000000
- Grade
- 0.05
- Grade Unit
- %
- Contained Metal
- 42
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the Kalpini Hub represents a significant tonnage of cobalt, but the estimate is stale as it dates back to June 2023.
Positive factors
- Significant Indicated resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.050”
Context: 84
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel Project · nickelTonnes: 182000000Grade: 0.73Grade Unit: %Contained Metal: 1321Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:f3fbe42a6382a1afde96
- Deposit or zone
- Kalpini Hub including Yerilla Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 182000000
- Grade
- 0.73
- Grade Unit
- %
- Contained Metal
- 1321
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the Kalpini Hub indicates significant nickel potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Large Inferred resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“0.73”
Context: 182
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel Project · cobaltTonnes: 182000000Grade: 0.051Grade Unit: %Contained Metal: 92Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:f3fbe42a6382a1afde96
- Deposit or zone
- Kalpini Hub including Yerilla Hub
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 182000000
- Grade
- 0.051
- Grade Unit
- %
- Contained Metal
- 92
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the Kalpini Hub indicates significant cobalt potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Large Inferred resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“0.051”
Context: 182
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel Project · nickelTonnes: 22000000Grade: 0.94Grade Unit: %Contained Metal: 207Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:329002b426d2e5c32f14
- Deposit or zone
- Kalgoorlie Nickel Project Total
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 22000000
- Grade
- 0.94
- Grade Unit
- %
- Contained Metal
- 207
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the total KNP shows good nickel grade and high confidence, but the estimate is stale as it dates back to June 2023.
Positive factors
- High confidence Measured category
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.94”
Context: 22
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
measuredKalgoorlie Nickel Project · cobaltTonnes: 22000000Grade: 0.079Grade Unit: %Contained Metal: 17Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:329002b426d2e5c32f14
- Deposit or zone
- Kalgoorlie Nickel Project Total
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 22000000
- Grade
- 0.079
- Grade Unit
- %
- Contained Metal
- 17
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Measured resource for the total KNP shows good cobalt grade and high confidence, but the estimate is stale as it dates back to June 2023.
Positive factors
- High confidence Measured category
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.079”
Context: 22
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel Project · nickelTonnes: 361000000Grade: 0.73Grade Unit: %Contained Metal: 2622Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:5dc973ab3c06e2c9eecb
- Deposit or zone
- Kalgoorlie Nickel Project Total
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 361000000
- Grade
- 0.73
- Grade Unit
- %
- Contained Metal
- 2622
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the total KNP represents a very large nickel endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Very large Indicated resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.73”
Context: 361
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
indicatedKalgoorlie Nickel Project · cobaltTonnes: 361000000Grade: 0.047Grade Unit: %Contained Metal: 169Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:5dc973ab3c06e2c9eecb
- Deposit or zone
- Kalgoorlie Nickel Project Total
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 361000000
- Grade
- 0.047
- Grade Unit
- %
- Contained Metal
- 169
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Indicated resource for the total KNP represents a very large cobalt endowment, but the estimate is stale as it dates back to June 2023.
Positive factors
- Very large Indicated resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Estimate effective date is over two years old
Evidence · table
“0.047”
Context: 361
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel Project · nickelTonnes: 471000000Grade: 0.7Grade Unit: %Contained Metal: 3272Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- nickel
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:ec5207abd670dfe431d9
- Deposit or zone
- Kalgoorlie Nickel Project Total
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 471000000
- Grade
- 0.7
- Grade Unit
- %
- Contained Metal
- 3272
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the total KNP indicates very large nickel potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Very large Inferred resource tonnage
- Good nickel grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“0.70”
Context: 471
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 years before this release
inferredKalgoorlie Nickel Project · cobaltTonnes: 471000000Grade: 0.043Grade Unit: %Contained Metal: 200Contained Unit: ktHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Kalgoorlie Nickel Project
- Commodity
- cobalt
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- ARL
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Buchhorn, Andrew Penkethman
- Resource group id
- resource:ec5207abd670dfe431d9
- Deposit or zone
- Kalgoorlie Nickel Project Total
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 471000000
- Grade
- 0.043
- Grade Unit
- %
- Contained Metal
- 200
- Contained Unit
- kt
- Cutoff Grade
- 0.5
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2023-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-06-30T00:00:00.000Z
Dates
- Event date
- 2026-09-27T00:00:00.000Z
Reasoning: This Inferred resource for the total KNP indicates very large cobalt potential, but its lower confidence category and stale effective date reduce its immediate impact.
Positive factors
- Very large Inferred resource tonnage
- Good cobalt grade for laterite deposit
- JORC compliant and QP signed
Negative factors
- Inferred category has lower geological confidence
- Estimate effective date is over two years old
Evidence · table
“0.043”
Context: 471
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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 3.2 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.