Astral Resources doubles Spargoville gold resource as group tally climbs to 2.21Moz
Original announcement by stockhead on
- Company
- Astral Resources
- Ticker
- AAR
- Exchange
- Unavailable
- Region
- Western Australia
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update
- Extracted
- 2026-10-09 03:05:55 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Astral Resources has more than doubled its gold resource at the Spargoville project in Western Australia, with contained gold increasing 102% to 281,000 ounces. The update, conducted by Cube Consulting, uses a higher gold price assumption of A$4,500/oz and a 0.40g/t cut-off to expand the resource to 8.5 million tonnes at 1.0g/t gold.
Reasoning: Significant resource expansion (102% increase in contained gold) at Spargoville via re-estimation under updated economic assumptions.
Positive factors
- Contained gold increased 102%
- Resource expansion driven by updated gold price assumptions
- Re-optimised using DFS-aligned parameters
Negative factors
- Growth driven by higher gold price assumption rather than new geological discovery
- Further metallurgical testing recommended to increase confidence
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 reports a re-estimation of the Spargoville gold resource using updated assumptions.
Evidence · text
“Spargoville gold resource doubles”
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: The Spargoville resource increased significantly due to updated economic assumptions.
Evidence · text
“Spargoville’s contained gold resource increases 102%”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Resource Estimates (4)
indicatedSpargoville · goldTonnes: 8500000Grade: 1Grade Unit: g/tContained Metal: 281000Contained Unit: ozView all detailsHide details
Identity
- Project
- Spargoville
- Commodity
- gold
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- AAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:0f4d4095c5726137ce6e
- Deposit or zone
- Spargoville
Resource Data
- Category
- indicated
- Tonnes
- 8500000
- Grade
- 1
- Grade Unit
- g/t
- Contained Metal
- 281000
- Contained Unit
- oz
- Cutoff Grade
- 0.4
- Cutoff Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-09T00:00:00.000Z
Reasoning: Significant resource expansion at Spargoville.
Positive factors
- 102% increase in contained gold
Negative factors
- Growth driven by higher gold price assumption
Evidence · text
“gold resource of 8.5 million tonnes at 1.0g/t gold for 281,000 ounces at Spargoville”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
indicatedSpargoville · goldTonnes: 5500000Grade: 1Grade Unit: g/tContained Metal: 177000Contained Unit: ozView all detailsHide details
Identity
- Project
- Spargoville
- Commodity
- gold
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- AAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:eca6468ab04e067389e2
- Deposit or zone
- Spiders
Resource Data
- Category
- indicated
- Tonnes
- 5500000
- Grade
- 1
- Grade Unit
- g/t
- Contained Metal
- 177000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-09T00:00:00.000Z
Reasoning: Spiders deposit is the largest contributor to the Spargoville resource.
Positive factors
- Largest resource component of Spargoville
Evidence · text
“Spiders deposit... contributes 5.5Mt at 1.0g/t for 177,000oz”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
indicatedMandilla · goldTonnes: 53500000Grade: 1Grade Unit: g/tContained Metal: 1.74Contained Unit: mozView all detailsHide details
Identity
- Project
- Mandilla
- Commodity
- gold
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- AAR
Resource scope
- Estimate type
- resource
- Resource group id
- resource:1c18257a8544ff5c67b3
Resource Data
- Category
- indicated
- Tonnes
- 53500000
- Grade
- 1
- Grade Unit
- g/t
- Contained Metal
- 1.74
- Contained Unit
- moz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-09T00:00:00.000Z
Reasoning: Group tally context.
Evidence · text
“Mandilla’s resource estimate of 53.5Mt at 1.0g/t for 1.74Moz”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
indicatedFeysville · goldTonnes: 5000000Grade: 1.2Grade Unit: g/tContained Metal: 196000Contained Unit: ozView all detailsHide details
Identity
- Project
- Feysville
- Commodity
- gold
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- AAR
Resource scope
- Estimate type
- resource
- Resource group id
- resource:4dd353d99bcd5ed99540
Resource Data
- Category
- indicated
- Tonnes
- 5000000
- Grade
- 1.2
- Grade Unit
- g/t
- Contained Metal
- 196000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-09T00:00:00.000Z
Reasoning: Group tally context.
Evidence · text
“Feysville’s 5Mt at 1.2g/t for 196,000oz”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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.