A8G: Near-surface tantalum mineralisation at Spodumene Hill

Original announcement by asx on

Company
Australasian Metals Limited
Ticker
A8G
Exchange
ASX
Region
Côte d’Ivoire
Primary commodity
Tantalum
Secondary commodities
Lithium, Niobium, Tin
Document categories
Drill results, Other
Extracted
2026-09-22 00:24:34 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Australasian Metals has reviewed historical data from the Atex Lithium-Tantalum Project in Côte d’Ivoire, confirming near-surface tantalum mineralisation. The review includes high-grade historical concentrate results and 2022 metallurgical studies indicating good liberation and beneficiation potential via gravity and magnetic separation.

Reasoning: The release highlights significant historical tantalum potential at the Atex project, but the data is non-compliant, historical, and requires modern verification drilling.

Positive factors

  • historical high-grade concentrate grades
  • strong tantalum market prices
  • evidence of high liberation and physical beneficiation potential

Negative factors

  • data is historical and not JORC compliant
  • no modern QA/QC available for 1966 data
  • sample size for 2022 metallurgical work was noted as too small

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 6

Classification and evidence

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: The announcement relies on historical 1966 data that has not been re-assayed or updated with modern JORC compliant results.

Evidence · text

“The 40-tonne figure is a historical estimate and is not JORC compliant”

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: The release explicitly states that original 1966 laboratory sheets have not been located and no modern QA/QC applies to the historical data.

Evidence · text

“Original 1966 laboratory sheets have not been located or independently re-assayed.”

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: The company is positioning the project based on its proximity to and historical presence of tantalum mineralisation in the area.

Evidence · text

“historical data review confirms near-surface tantalum (coltan) mineralisation across Spodumene Hill area”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (6)

Adam (1966)Atex Lithium-Tantalum Project · tantalumGrade: 50Grade Unit: g/m³Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
Adam (1966)
Project
Atex Lithium-Tantalum Project
Commodity
tantalum
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
A8G

Geometry

Grade
50
Grade Unit
g/m³

Classification

Sample Type
surface

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
low_confidence
Historical
Yes
Historical Source Date
1966-01-01T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: Historical pit sampling at Spodumene Hill reported a lower bound of 50 g/m³ concentrate.

Negative factors

  • historical data
  • no QA/QC

Evidence · text

“Spodumene Hill, Zone 1 and Zone 2 returned a range of historical columbo-tantalite concentrate grades*. Reported ranges were approximately 50–655 g/m³ at Spodumene Hill”

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

Adam (1966)Atex Lithium-Tantalum Project · tantalumGrade: 655Grade Unit: g/m³Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
Adam (1966)
Project
Atex Lithium-Tantalum Project
Commodity
tantalum
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
A8G

Geometry

Grade
655
Grade Unit
g/m³

Classification

Sample Type
surface

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
low_confidence
Historical
Yes
Historical Source Date
1966-01-01T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: Upper bound of historical concentrate grade at Spodumene Hill.

Negative factors

  • historical data

Evidence · text

“Reported ranges were approximately 50–655 g/m³ at Spodumene Hill”

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

Adam (1966)Atex Lithium-Tantalum Project · tantalumGrade: 50Grade Unit: g/m³Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
Adam (1966)
Project
Atex Lithium-Tantalum Project
Commodity
tantalum
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
A8G

Geometry

Grade
50
Grade Unit
g/m³

Classification

Sample Type
surface

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
low_confidence
Historical
Yes
Historical Source Date
1966-01-01T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: Historical pit sampling at Zone 1 reported a lower bound of 50 g/m³ concentrate.

Negative factors

  • historical data

Evidence · text

“50–4,600 g/m³ at Zone 1”

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

Adam (1966)Atex Lithium-Tantalum Project · tantalumGrade: 4600Grade Unit: g/m³Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
Adam (1966)
Project
Atex Lithium-Tantalum Project
Commodity
tantalum
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
A8G

Geometry

Grade
4600
Grade Unit
g/m³

Classification

Sample Type
surface

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
low_confidence
Historical
Yes
Historical Source Date
1966-01-01T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: Upper bound of historical concentrate grade at Zone 1.

Negative factors

  • historical data

Evidence · text

“50–4,600 g/m³ at Zone 1”

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

Adam (1966)Atex Lithium-Tantalum Project · tantalumGrade: 55Grade Unit: g/m³Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
Adam (1966)
Project
Atex Lithium-Tantalum Project
Commodity
tantalum
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
A8G

Geometry

Grade
55
Grade Unit
g/m³

Classification

Sample Type
surface

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
low_confidence
Historical
Yes
Historical Source Date
1966-01-01T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: Historical pit sampling at Zone 2 reported a lower bound of 55 g/m³ concentrate.

Negative factors

  • historical data

Evidence · text

“55–14,700 g/m³ at Zone 2”

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

Adam (1966)Atex Lithium-Tantalum Project · tantalumGrade: 14700Grade Unit: g/m³Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
Adam (1966)
Project
Atex Lithium-Tantalum Project
Commodity
tantalum
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
A8G

Geometry

Grade
14700
Grade Unit
g/m³

Classification

Sample Type
surface

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
low_confidence
Historical
Yes
Historical Source Date
1966-01-01T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: Upper bound of historical concentrate grade at Zone 2.

Negative factors

  • historical data

Evidence · text

“55–14,700 g/m³ at Zone 2”

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

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.