CHR: Charger re-commences diamond drilling at Medcalf Lithium Dep
Original announcement by asx on
- Company
- Charger Metals NL
- Ticker
- CHR
- Exchange
- ASX
- Region
- Western Australia
- Primary commodity
- Lithium
- Secondary commodities
- Tantalum
- Document categories
- Resource update, Other
- Extracted
- 2026-09-24 00:20:39 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Charger Metals has re-commenced diamond drilling at the Medcalf Lithium Deposit in Western Australia, adding to ongoing RC drilling. The 10,000m programme aims to de-risk the existing 10.6Mt Inferred Lithium Resource and the Medcalf West Exploration Target, funded by the recent sale of the Bynoe Lithium Project.
Reasoning: The announcement focuses on the re-mobilisation of a second drill rig to advance an existing project rather than reporting new assay results.
Positive factors
- re-commencement of drilling
- fully funded programme
- commitment to scoping study
Facts used in scoring: 4
Classification and evidence
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document references the existing Medcalf Lithium Resource and the ongoing drilling to de-risk it.
Evidence · text
“designed to test extensions and provide further infill at the 10.6Mt Medcalf Lithium Deposit”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The primary resource mentioned is in the Inferred category.
Evidence · text
“Medcalf Inferred Mineral Resource Estimate”
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: Competent Persons Francois Scholtz and Shaun Searle are named and provide statements.
Evidence · text
“is based on information provided to or compiled by Francois Scholtz”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Resource Estimates (4)
inferredLake Johnston Lithium Project · lithiumTonnes: 310000Grade: 0.94Grade 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
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Francois Scholtz, 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
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: Historical weathered component of the Medcalf resource.
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
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
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
inferredLake Johnston Lithium Project · tantalumTonnes: 310000Grade: 109Grade 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
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Francois Scholtz, 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 Ta2O5
Prior Estimate
- Resource Date
- 2026-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: Historical tantalum grade for weathered component.
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
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
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
inferredLake Johnston Lithium Project · lithiumTonnes: 10300000Grade: 1Grade 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
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Francois Scholtz, Shaun Searle
- Resource group id
- resource:ee1b6066fa2da2b33361
- Deposit or zone
- Medcalf Lithium Pegmatites - Primary
Resource Data
- Category
- inferred
- Tonnes
- 10300000
- Grade
- 1
- Grade Unit
- % Li2O
Prior Estimate
- Resource Date
- 2026-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: Historical primary component of the Medcalf resource.
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
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
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
inferredLake Johnston Lithium Project · tantalumTonnes: 10300000Grade: 107Grade 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
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Francois Scholtz, 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 Ta2O5
Prior Estimate
- Resource Date
- 2026-06-30
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-23T00:00:00.000Z
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: Historical tantalum grade for primary component.
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
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
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
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.