CHR: Quarterly Activities/Appendix 5B Cash Flow Report
Original announcement by asx on
- Company
- Charger Metals NL
- Ticker
- CHR
- Exchange
- ASX
- Region
- Western Australia
- Primary commodity
- Lithium
- Secondary commodities
- Tantalum, Rubidium, Iron ore
- Document categories
- Metallurgy, Other, Agreement transaction, Resource update, Drill results
- Extracted
- 2026-10-21 23:10:09 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Charger Metals NL reported excellent metallurgical results for its Medcalf Lithium Project, demonstrating high lithium and tantalum recoveries and grade upgrades through ore-sorting, which de-risks the project. The company also completed the sale of its Bynoe Lithium Project, significantly boosting its cash reserves to $4.23 million, enabling further exploration and studies. A 10,000m drill program is underway at Medcalf, with assays expected shortly to support resource growth.
Reasoning: Charger Metals NL reported excellent metallurgical results for its Medcalf Lithium Project, demonstrating high lithium and tantalum recoveries and grade upgrades through ore-sorting, which de-risks the project. The sale of the Bynoe Project has significantly boosted the company's cash reserves, enabling further exploration and studies. While a drill program is underway, no new assays were reported in this quarterly update.
Positive factors
- Excellent metallurgical recoveries and grade upgrades for lithium and tantalum through ore-sorting
- Successful ore-sorting demonstrated effective rejection of iron and mining dilution
- Strong cash position following the sale of the Bynoe Lithium Project
- Ongoing drill program aimed at resource growth
- Initial mining study confirms critical mass for a mine
Negative factors
- Resource estimate is a re-statement of prior results, not a new update
- No new drill assays reported from the ongoing drill program
Facts used in scoring: 45
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Lithium recovery of 94.9% and tantalum recovery of 97.2% from ore-sorting are at or above the exceptional band for the commodity and processing route.
Evidence · text
“The Li2O grade of 1.32% with a lithium recovery of 94.9% with a mass recovery of 72.5%.”
Recovery Improvingpositive
Recovery improved versus a like-for-like prior test program on the same domain and route.
Why it applies: Li2O grade increased from 1.01% to 1.32% (31% increase) and Ta2O5 grade increased to 147ppm (34% increase) versus the initial composite head grade.
Evidence · text
“Li2O grade increased from 1.01% to 1.32% (31% increase) with 94.9% recovery.”
Pilot Scale Completepositive
Pilot or demonstration plant testing completed under continuous operation.
Why it applies: Ore-sorting results were obtained from TOMRA, a provider of ore-sorting solutions from initial amenability testing to equipment sales and complete sorting lines, implying a robust test scale.
Evidence · text
“TOMRA Sorting|Mining offers ore-sorting solutions from initial amenability testing and characterisation through to equipment sales and complete sorting lines.”
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: In addition to the Master Composite, two variability samples were also tested, confirming the results and indicating variability across ore domains has been addressed.
Evidence · text
“A further 2 variability samples totalling 127kg were also tested on a similar basis during the quarter with results confirming the results of the Master Composite.”
Free Millingpositive
Simple, clean ore amenable to standard processing without oxidation.
Why it applies: The material demonstrated excellent liberation characteristics and ore-sorting successfully rejected a large percentage of total iron from the feed.
Evidence · text
“excellent liberation characteristics demonstrated by the material”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: Ore-sorting is described as a pre-concentration step, typically feeding into a mill or concentrator circuit.
Evidence · text
“The Medcalf spodumene and tantalite bearing pegmatites can be used as feed to produce a lithium concentrate and a separate tantalum concentrate.”
Inferred Resourcenegative · Story-specific tag
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: All reported mineral resources are classified as Inferred, which is a speculative category with limited drilling.
Evidence · text
“JORC 2012 Inferred Lithium Mineral Resource Estimates”
JORC Compliantpositive · Story-specific tag
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The mineral resource estimate is stated to be compliant with the JORC 2012 Code.
Evidence · text
“JORC 2012 Inferred Lithium Mineral Resource Estimates”
QP/CP Signedpositive · Story-specific tag
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: Shaun Searle, a Member of the Australian Institute of Geoscientists, is named as the Competent Person responsible for the Mineral Resource and Exploration Target estimates.
Evidence · text
“Shaun Searle BSc. Hons (Applied Geology), who is a Member of the Australian Institute of Geoscientists.”
Stale Data Re-releasenegative · Story-specific tag
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The drill results for Medcalf West are explicitly stated as being from 'previous Medcalf West RC and diamond drill programmes' and refer to an ASX Announcement from 31 March 2026.
Evidence · text
“Assay results from previous Medcalf West RC and diamond drill programmes confirmed high-grade lithium mineralisation hosted by LCT (lithium-caesium-tantalum) pegmatites at Medcalf West3”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("dense media separation")
Extracted facts
Stored fact records: 45. Some facts used in scoring do not have a stored record.
Drill Results (16)
CLMRC042Medcalf West Exploration Target · lithiumGrade: 1.46Grade Unit: %Intercept: 18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC042
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 1.46
- Grade Unit
- %
- Intercept
- 18 m
- From
- 134 m
- To
- 152 m
- Intercept Depth
- 134 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC042:134-152
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“18m @ 1.46% Li2O & 81ppm Ta from 134m CLMRC042”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC042Medcalf West Exploration Target · tantalumGrade: 81Grade Unit: ppm TaIntercept: 18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC042
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 81
- Grade Unit
- ppm Ta
- Intercept
- 18 m
- From
- 134 m
- To
- 152 m
- Intercept Depth
- 134 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC042:134-152
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“18m @ 1.46% Li2O & 81ppm Ta from 134m CLMRC042”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC064DTMedcalf West Exploration Target · lithiumGrade: 1.8Grade Unit: %Intercept: 11 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC064DT
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 1.8
- Grade Unit
- %
- Intercept
- 11 m
- From
- 111 m
- To
- 122 m
- Intercept Depth
- 111 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC064DT:111-122
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“11m @ 1.80% Li2O & 125ppm Ta from 111m CLMRC064DT”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC064DTMedcalf West Exploration Target · tantalumGrade: 125Grade Unit: ppm TaIntercept: 11 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC064DT
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 125
- Grade Unit
- ppm Ta
- Intercept
- 11 m
- From
- 111 m
- To
- 122 m
- Intercept Depth
- 111 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC064DT:111-122
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“11m @ 1.80% Li2O & 125ppm Ta from 111m CLMRC064DT”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC064DTMedcalf West Exploration Target · lithiumGrade: 1.1Grade Unit: %Intercept: 6.35 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC064DT
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 1.1
- Grade Unit
- %
- Intercept
- 6.35 m
- From
- 218 m
- To
- 224.35 m
- Intercept Depth
- 218 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC064DT:218-224.35
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“6.35m @ 1.10% Li2O & 108ppm Ta from 218m CLMRC064DT”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC064DTMedcalf West Exploration Target · tantalumGrade: 108Grade Unit: ppm TaIntercept: 6.35 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC064DT
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 108
- Grade Unit
- ppm Ta
- Intercept
- 6.35 m
- From
- 218 m
- To
- 224.35 m
- Intercept Depth
- 218 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC064DT:218-224.35
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“6.35m @ 1.10% Li2O & 108ppm Ta from 218m CLMRC064DT”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC064DTMedcalf West Exploration Target · lithiumGrade: 0.71Grade Unit: %Intercept: 4.9 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC064DT
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 0.71
- Grade Unit
- %
- Intercept
- 4.9 m
- From
- 239.1 m
- To
- 244 m
- Intercept Depth
- 239.1 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC064DT:239.1-244
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“4.9m @ 0.71% Li2O & 100ppm Ta from 239.1m CLMRC064DT”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC064DTMedcalf West Exploration Target · tantalumGrade: 100Grade Unit: ppm TaIntercept: 4.9 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC064DT
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 100
- Grade Unit
- ppm Ta
- Intercept
- 4.9 m
- From
- 239.1 m
- To
- 244 m
- Intercept Depth
- 239.1 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC064DT:239.1-244
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“4.9m @ 0.71% Li2O & 100ppm Ta from 239.1m CLMRC064DT”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC067Medcalf West Exploration Target · lithiumGrade: 1.21Grade Unit: %Intercept: 10 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC067
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 1.21
- Grade Unit
- %
- Intercept
- 10 m
- From
- 128 m
- To
- 138 m
- Intercept Depth
- 128 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC067:128-138
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“10.0m @ 1.21% Li2O & 68ppm Ta from 128m CLMRC067”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC067Medcalf West Exploration Target · tantalumGrade: 68Grade Unit: ppm TaIntercept: 10 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC067
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 68
- Grade Unit
- ppm Ta
- Intercept
- 10 m
- From
- 128 m
- To
- 138 m
- Intercept Depth
- 128 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC067:128-138
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“10.0m @ 1.21% Li2O & 68ppm Ta from 128m CLMRC067”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC043Medcalf West Exploration Target · lithiumGrade: 1.15Grade Unit: %Intercept: 3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC043
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 1.15
- Grade Unit
- %
- Intercept
- 3 m
- From
- 26 m
- To
- 29 m
- Intercept Depth
- 26 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC043:26-29
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“3m @ 1.15% Li2O & 72ppm Ta from 26m CLMRC043”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC043Medcalf West Exploration Target · tantalumGrade: 72Grade Unit: ppm TaIntercept: 3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC043
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 72
- Grade Unit
- ppm Ta
- Intercept
- 3 m
- From
- 26 m
- To
- 29 m
- Intercept Depth
- 26 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC043:26-29
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“3m @ 1.15% Li2O & 72ppm Ta from 26m CLMRC043”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC043Medcalf West Exploration Target · lithiumGrade: 1.11Grade Unit: %Intercept: 5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC043
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 1.11
- Grade Unit
- %
- Intercept
- 5 m
- From
- 120 m
- To
- 125 m
- Intercept Depth
- 120 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC043:120-125
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“5m @ 1.11% Li2O & 70ppm Ta from 120m CLMRC043”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC043Medcalf West Exploration Target · tantalumGrade: 70Grade Unit: ppm TaIntercept: 5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC043
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 70
- Grade Unit
- ppm Ta
- Intercept
- 5 m
- From
- 120 m
- To
- 125 m
- Intercept Depth
- 120 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC043:120-125
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“5m @ 1.11% Li2O & 70ppm Ta from 120m CLMRC043”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC071Medcalf West Exploration Target · lithiumGrade: 1.11Grade Unit: %Intercept: 4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC071
- Project
- Medcalf West Exploration Target
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 1.11
- Grade Unit
- %
- Intercept
- 4 m
- From
- 92 m
- To
- 96 m
- Intercept Depth
- 92 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC071:92-96
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“4.0m @ 1.11% Li2O & 100ppm Ta from 92m CLMRC071”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
CLMRC071Medcalf West Exploration Target · tantalumGrade: 100Grade Unit: ppm TaIntercept: 4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- CLMRC071
- Project
- Medcalf West Exploration Target
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- australia_wa
- Ticker
- CHR
Geometry
- Grade
- 100
- Grade Unit
- ppm Ta
- Intercept
- 4 m
- From
- 92 m
- To
- 96 m
- Intercept Depth
- 92 m
Classification
- Sample Type
- drill
- Group ID
- CLMRC071:92-96
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a historical drill intercept, providing context for the Medcalf West Exploration Target but not representing new information.
Negative factors
- Stale Data Re-release
Evidence · text
“4.0m @ 1.11% Li2O & 100ppm Ta from 92m CLMRC071”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Resource Estimates (21)
inferredLake Johnston Lithium Project · lithiumTonnes: 310000Grade: 0.94Grade Unit: %Contained Metal: 2900Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:0034ed843789ba51490a
- Deposit or zone
- Medcalf Lithium Pegmatites - Weathered
Resource Data
- Category
- inferred
- Tonnes
- 310000
- Grade
- 0.94
- Grade Unit
- %
- Contained Metal
- 2900
- Contained Unit
- t
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for weathered lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.94”
Context: 0.31
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
inferredLake Johnston Lithium Project · tantalumTonnes: 310000Grade: 109Grade Unit: ppmHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:0034ed843789ba51490a
- Deposit or zone
- Medcalf Lithium Pegmatites - Weathered
Resource Data
- Category
- inferred
- Tonnes
- 310000
- Grade
- 109
- Grade Unit
- ppm
- Cutoff Grade
- 65
- Cutoff Unit
- ppm Ta2O5
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for weathered tantalum in lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“109”
Context: 0.31
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
inferredLake Johnston Lithium Project · rubidiumTonnes: 310000Grade: 0.12Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:0034ed843789ba51490a
- Deposit or zone
- Medcalf Lithium Pegmatites - Weathered
Resource Data
- Category
- inferred
- Tonnes
- 310000
- Grade
- 0.12
- Grade Unit
- %
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for weathered rubidium in lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.12”
Context: 0.31
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
inferredLake Johnston Lithium Project · lithiumTonnes: 10300000Grade: 1Grade Unit: %Contained Metal: 103000Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:ee1b6066fa2da2b33361
- Deposit or zone
- Medcalf Lithium Pegmatites - Primary
Resource Data
- Category
- inferred
- Tonnes
- 10300000
- Grade
- 1
- Grade Unit
- %
- Contained Metal
- 103000
- Contained Unit
- t
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for primary lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“1.00”
Context: 10.3
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
inferredLake Johnston Lithium Project · tantalumTonnes: 10300000Grade: 107Grade Unit: ppmHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:ee1b6066fa2da2b33361
- Deposit or zone
- Medcalf Lithium Pegmatites - Primary
Resource Data
- Category
- inferred
- Tonnes
- 10300000
- Grade
- 107
- Grade Unit
- ppm
- Cutoff Grade
- 65
- Cutoff Unit
- ppm Ta2O5
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for primary tantalum in lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“107”
Context: 10.3
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
inferredLake Johnston Lithium Project · rubidiumTonnes: 10300000Grade: 0.13Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:ee1b6066fa2da2b33361
- Deposit or zone
- Medcalf Lithium Pegmatites - Primary
Resource Data
- Category
- inferred
- Tonnes
- 10300000
- Grade
- 0.13
- Grade Unit
- %
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for primary rubidium in lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.13”
Context: 10.3
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
inferredLake Johnston Lithium Project · lithiumTonnes: 10600000Grade: 1Grade Unit: %Contained Metal: 106000Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:d7bf47e22e12f2124eb1
- Deposit or zone
- Medcalf Lithium Pegmatites - Total
Resource Data
- Category
- inferred
- Tonnes
- 10600000
- Grade
- 1
- Grade Unit
- %
- Contained Metal
- 106000
- Contained Unit
- t
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“1.00”
Context: 10.6
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
inferredLake Johnston Lithium Project · tantalumTonnes: 10600000Grade: 107Grade Unit: ppmHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:d7bf47e22e12f2124eb1
- Deposit or zone
- Medcalf Lithium Pegmatites - Total
Resource Data
- Category
- inferred
- Tonnes
- 10600000
- Grade
- 107
- Grade Unit
- ppm
- Cutoff Grade
- 65
- Cutoff Unit
- ppm Ta2O5
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total tantalum in lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“107”
Context: 10.6
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
inferredLake Johnston Lithium Project · rubidiumTonnes: 10600000Grade: 0.13Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:d7bf47e22e12f2124eb1
- Deposit or zone
- Medcalf Lithium Pegmatites - Total
Resource Data
- Category
- inferred
- Tonnes
- 10600000
- Grade
- 0.13
- Grade Unit
- %
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total rubidium in lithium pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.13”
Context: 10.6
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
inferredLake Johnston Lithium Project · lithiumTonnes: 100000Grade: 0.12Grade Unit: %Contained Metal: 200Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:c55088ecc6bf625a69ee
- Deposit or zone
- Medcalf Tantalum Pegmatites - Weathered
Resource Data
- Category
- inferred
- Tonnes
- 100000
- Grade
- 0.12
- Grade Unit
- %
- Contained Metal
- 200
- Contained Unit
- t
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for weathered lithium in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.12”
Context: 0.1
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
inferredLake Johnston Lithium Project · tantalumTonnes: 100000Grade: 136Grade Unit: ppmHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:c55088ecc6bf625a69ee
- Deposit or zone
- Medcalf Tantalum Pegmatites - Weathered
Resource Data
- Category
- inferred
- Tonnes
- 100000
- Grade
- 136
- Grade Unit
- ppm
- Cutoff Grade
- 65
- Cutoff Unit
- ppm Ta2O5
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for weathered tantalum in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“136”
Context: 0.1
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
inferredLake Johnston Lithium Project · rubidiumTonnes: 100000Grade: 0.06Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:c55088ecc6bf625a69ee
- Deposit or zone
- Medcalf Tantalum Pegmatites - Weathered
Resource Data
- Category
- inferred
- Tonnes
- 100000
- Grade
- 0.06
- Grade Unit
- %
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for weathered rubidium in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.06”
Context: 0.1
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
inferredLake Johnston Lithium Project · lithiumTonnes: 2000000Grade: 0.24Grade Unit: %Contained Metal: 5000Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:f4460cca6902355b6e58
- Deposit or zone
- Medcalf Tantalum Pegmatites - Primary
Resource Data
- Category
- inferred
- Tonnes
- 2000000
- Grade
- 0.24
- Grade Unit
- %
- Contained Metal
- 5000
- Contained Unit
- t
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for primary lithium in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.24”
Context: 2.0
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
inferredLake Johnston Lithium Project · tantalumTonnes: 2000000Grade: 132Grade Unit: ppmContained Metal: 5000Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:f4460cca6902355b6e58
- Deposit or zone
- Medcalf Tantalum Pegmatites - Primary
Resource Data
- Category
- inferred
- Tonnes
- 2000000
- Grade
- 132
- Grade Unit
- ppm
- Contained Metal
- 5000
- Contained Unit
- t
- Cutoff Grade
- 65
- Cutoff Unit
- ppm Ta2O5
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for primary tantalum in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“132”
Context: 2.0
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
inferredLake Johnston Lithium Project · rubidiumTonnes: 2000000Grade: 0.09Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:f4460cca6902355b6e58
- Deposit or zone
- Medcalf Tantalum Pegmatites - Primary
Resource Data
- Category
- inferred
- Tonnes
- 2000000
- Grade
- 0.09
- Grade Unit
- %
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for primary rubidium in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.09”
Context: 2.0
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
inferredLake Johnston Lithium Project · lithiumTonnes: 2200000Grade: 0.23Grade Unit: %Contained Metal: 5000Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:82390d9af19ef7169c5d
- Deposit or zone
- Medcalf Tantalum Pegmatites - Total
Resource Data
- Category
- inferred
- Tonnes
- 2200000
- Grade
- 0.23
- Grade Unit
- %
- Contained Metal
- 5000
- Contained Unit
- t
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total lithium in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.23”
Context: 2.2
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
inferredLake Johnston Lithium Project · tantalumTonnes: 2200000Grade: 132Grade Unit: ppmContained Metal: 5000Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:82390d9af19ef7169c5d
- Deposit or zone
- Medcalf Tantalum Pegmatites - Total
Resource Data
- Category
- inferred
- Tonnes
- 2200000
- Grade
- 132
- Grade Unit
- ppm
- Contained Metal
- 5000
- Contained Unit
- t
- Cutoff Grade
- 65
- Cutoff Unit
- ppm Ta2O5
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total tantalum in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“132”
Context: 2.2
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
inferredLake Johnston Lithium Project · rubidiumTonnes: 2200000Grade: 0.09Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:82390d9af19ef7169c5d
- Deposit or zone
- Medcalf Tantalum Pegmatites - Total
Resource Data
- Category
- inferred
- Tonnes
- 2200000
- Grade
- 0.09
- Grade Unit
- %
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total rubidium in tantalum pegmatites, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.09”
Context: 2.2
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
inferredLake Johnston Lithium Project · lithiumTonnes: 12800000Grade: 0.87Grade Unit: %Contained Metal: 111000Contained Unit: tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:b9d919fe6065cbba86e0
- Deposit or zone
- Total MRE
Resource Data
- Category
- inferred
- Tonnes
- 12800000
- Grade
- 0.87
- Grade Unit
- %
- Contained Metal
- 111000
- Contained Unit
- t
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for the total MRE, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.87”
Context: 12.8
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
inferredLake Johnston Lithium Project · tantalumTonnes: 12800000Grade: 112Grade Unit: ppmHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:b9d919fe6065cbba86e0
- Deposit or zone
- Total MRE
Resource Data
- Category
- inferred
- Tonnes
- 12800000
- Grade
- 112
- Grade Unit
- ppm
- Cutoff Grade
- 65
- Cutoff Unit
- ppm Ta2O5
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total tantalum in the MRE, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“112”
Context: 12.8
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
inferredLake Johnston Lithium Project · rubidiumTonnes: 12800000Grade: 0.12Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Shaun Searle
- Resource group id
- resource:b9d919fe6065cbba86e0
- Deposit or zone
- Total MRE
Resource Data
- Category
- inferred
- Tonnes
- 12800000
- Grade
- 0.12
- Grade Unit
- %
- Cutoff Grade
- 0.4
- Cutoff Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This is a re-statement of a prior Inferred Mineral Resource for total rubidium in the MRE, indicating low novelty but providing context for the project's overall resource.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · table
“0.12”
Context: 12.8
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
Metallurgical Results (8)
ore-sortingLake Johnston Lithium Project · lithiumRecovery: 94.9 %Head Grade: 1.01Head Grade Unit: % Li2OHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Test Work
- Program Status
- preliminary
- Test Type
- ore-sorting
- Processing Route
- crushing, screening, ore-sorting
- Sample
- Master Composite (overall combined product including -10mm fines)
Recovery
- Recovery
- 94.9 %
- Recovery Basis
- actual_test
- Head Grade
- 1.01
- Head Grade Unit
- % Li2O
- Conc. Grade
- 1.32
- Conc. Grade Unit
- % Li2O
- Mass Pull
- 72.5 %
Lab
- Laboratory
- Independent Metallurgical Operations and TOMRA
- Consultant
- Alex Borger
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-07-02T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Excellent lithium recovery of 94.9% and grade upgrade to 1.32% Li2O from 1.01% Li2O head grade, achieved through ore-sorting, indicating strong metallurgical performance and de-risking for the project.
Positive factors
- High Recovery
- Recovery Improving
- Pilot Scale Complete
- Free Milling
Evidence · text
“The Li2O grade of 1.32% with a lithium recovery of 94.9% with a mass recovery of 72.5%.”
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 94.9% is at or above the exceptional band (80%)
ore-sortingLake Johnston Lithium Project · tantalumRecovery: 97.2 %Head Grade: 109Head Grade Unit: ppm Ta2O5Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Test Work
- Program Status
- preliminary
- Test Type
- ore-sorting
- Processing Route
- crushing, screening, ore-sorting
- Sample
- Master Composite (overall combined product including -10mm fines)
Recovery
- Recovery
- 97.2 %
- Recovery Basis
- actual_test
- Head Grade
- 109
- Head Grade Unit
- ppm Ta2O5
- Conc. Grade
- 147
- Conc. Grade Unit
- ppm Ta2O5
- Mass Pull
- 72.5 %
Lab
- Laboratory
- Independent Metallurgical Operations and TOMRA
- Consultant
- Alex Borger
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-07-02T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Excellent tantalum recovery of 97.2% and grade upgrade to 147ppm Ta2O5, achieved through ore-sorting, indicating strong metallurgical performance for a valuable byproduct.
Positive factors
- High Recovery
- Recovery Improving
- Pilot Scale Complete
Evidence · text
“The Ta2O5 grade increased to 147ppm with recovery of 97.2% of the tantalum oxide.”
ore-sortingLake Johnston Lithium Project · lithiumRecovery: 78.4 %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Test Work
- Program Status
- preliminary
- Test Type
- ore-sorting
- Processing Route
- crushing, screening, ore-sorting
- Sample
- Combined +10mm and +25mm concentrate
Recovery
- Recovery
- 78.4 %
- Recovery Basis
- actual_test
- Conc. Grade
- 1.37
- Conc. Grade Unit
- % Li2O
- Mass Pull
- 57.7 %
Lab
- Laboratory
- Independent Metallurgical Operations and TOMRA
- Consultant
- Alex Borger
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-07-02T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Strong lithium concentrate grade of 1.37% Li2O with 78.4% recovery from the coarser ore-sorted fraction, demonstrating effective pre-concentration.
Positive factors
- High Recovery
- Pilot Scale Complete
- Free Milling
Evidence · text
“Combined +10mm and +25mm concentrate achieved grades of 1.37% Li2O and 159ppm Ta2O5. This accounted for ~58% of the overall mass with recoveries of 78.4% and 83.6% respectively.”
ore-sortingLake Johnston Lithium Project · tantalumRecovery: 83.6 %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- tantalum
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Test Work
- Program Status
- preliminary
- Test Type
- ore-sorting
- Processing Route
- crushing, screening, ore-sorting
- Sample
- Combined +10mm and +25mm concentrate
Recovery
- Recovery
- 83.6 %
- Recovery Basis
- actual_test
- Conc. Grade
- 159
- Conc. Grade Unit
- ppm Ta2O5
- Mass Pull
- 57.7 %
Lab
- Laboratory
- Independent Metallurgical Operations and TOMRA
- Consultant
- Alex Borger
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-07-02T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Strong tantalum concentrate grade of 159ppm Ta2O5 with 83.6% recovery from the coarser ore-sorted fraction, indicating effective pre-concentration for a valuable byproduct.
Positive factors
- High Recovery
- Pilot Scale Complete
Evidence · text
“Combined +10mm and +25mm concentrate achieved grades of 1.37% Li2O and 159ppm Ta2O5. This accounted for ~58% of the overall mass with recoveries of 78.4% and 83.6% respectively.”
magnetic separationLake Johnston Lithium Project · lithiumRecovery: 96.9 %Head Grade: 1.24Head Grade Unit: % Li2OHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Test Work
- Program Status
- preliminary
- Test Type
- magnetic separation
- Processing Route
- magnetic separation
- Sample
- -10mm material from Master Composite and two Variability Composites
Recovery
- Recovery
- 96.9 %
- Recovery Basis
- actual_test
- Head Grade
- 1.24
- Head Grade Unit
- % Li2O
- Conc. Grade
- 1.48
- Conc. Grade Unit
- % Li2O
Lab
- Laboratory
- Independent Metallurgical Operations and TOMRA
- Consultant
- Alex Borger
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-07-02T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: High lithium recovery of 96.9% and grade upgrade to 1.48% Li2O from 1.24% Li2O head grade through magnetic separation on the fines fraction, indicating further processing potential.
Positive factors
- High Recovery
- Recovery Improving
Evidence · text
“the test showed that, in the non-magnetic stream, Li2O recovery was 96.9% at a grade of 1.48% Li2O (magnetic separation feed head grade of 1.24% Li2O), an upgrade factor of 19%”
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 96.9% is at or above the exceptional band (80%)
magnetic separationLake Johnston Lithium Project · iron_oreHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Test Work
- Program Status
- preliminary
- Test Type
- magnetic separation
- Processing Route
- magnetic separation
- Sample
- -10mm material from Master Composite and two Variability Composites
Recovery
- Recovery Basis
- actual_test
- Tailings Grade
- 10.8
- Tailings Grade Unit
- % Fe
- Mass Pull
- 18.55 %
Lab
- Laboratory
- Independent Metallurgical Operations and TOMRA
- Consultant
- Alex Borger
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-07-02T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Effective iron rejection demonstrated by 18.55% mass reporting to tails with 10.8% Fe grade during magnetic separation, which is positive for concentrate quality.
Positive factors
- Free Milling
Evidence · text
“18.55% of the mass reported to the tails (magnetic product) with ~59.8% of the iron at a grade of 10.8% Fe showing iron rejection was effective.”
CWi testingLake Johnston Lithium Project · lithiumHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Lake Johnston Lithium Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- CHR
Test Work
- Test Type
- CWi testing
- Processing Route
- crushing
- Sample
- Master Composite
Reagents
- Reagent Notes
- average crushing work index to be 7.55 kWh/tonne and abrasion index of 0.302
Lab
- Laboratory
- Independent Metallurgical Operations
- Consultant
- Alex Borger
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-07-02T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Crushing work index of 7.55 kWh/tonne and abrasion index of 0.302 are in the moderate range, indicating manageable comminution characteristics for the ore.
Evidence · text
“The results show the average crushing work index to be 7.55 kWh/tonne and abrasion index of 0.302 which are in the moderate range.”
Fact 8Bynoe Lithium ProjectView all detailsHide details
Identity
- Project
- Bynoe Lithium Project
- Region
- australia_nt
- Reported Region
- Northern Territory
- Ticker
- CHR
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: The sale of the Bynoe Lithium Project for $3.752 million cash significantly boosts the company's funding for ongoing activities, while retaining future upside through milestone and royalty considerations.
Positive factors
- Significant cash injection
- Maintains exposure to exploration and development success through royalty and milestone payments
Evidence · text
“$3,752,000 cash received 17 July 2026”
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.