GSN: Webinar Presentation
Original announcement by asx on
- Company
- Great Southern Mining Limited
- Ticker
- GSN
- Exchange
- ASX
- Region
- Western Australia
- Primary commodity
- Gold
- Secondary commodities
- Copper, Lead, Silver, Zinc
- Document categories
- Other, Drill results
- Extracted
- 2026-10-15 01:04:42 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Great Southern Mining Limited (GSN) presented a corporate update highlighting momentum across its Western Australian and Queensland assets. Key highlights include resource extensions at the Mon Ami Gold Project and high-grade intercepts at the Golden Boulder discovery, alongside a strategic JV with Gold Fields at Edinburgh Park.
Reasoning: The document is a corporate webinar presentation summarizing multiple projects. While it highlights significant drill results and resource extensions, it serves as a portfolio overview rather than a single technical announcement.
Positive factors
- momentum in drilling activity
- resource extension at Mon Ami
- high-grade intercepts at Golden Boulder
- strategic JV with Gold Fields at Edinburgh Park
Negative factors
- many recent high-grade intercepts are historical restatements
- assays for several major programs are still pending
Facts used in scoring: 16
Classification and evidence
Stale Data Re-releasenegative · Story-specific tag
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: Several high-grade intercepts for Amy Clarke and Golden Boulder are explicitly cited as being from previous ASX announcements (2021, 2025).
Evidence · text
“Refer to ASX announcements dated 21 September and 6 October 2026.”
Bonanza Interceptpositive · Story-specific tag
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Hole 26GBRC035 returned 29.71 g/t Au, which is exceptionally high for an orogenic gold system.
Evidence · text
“1m at 29.71 g/t Au in hole 26GBRC035”
Step-Out Extensionpositive · Story-specific tag
Mineralization extended beyond the previously known limit.
Why it applies: Recent drilling at Mon Ami has extended mineralisation up to 70m down dip and 55m down plunge.
Evidence · text
“Mineralisation extended up to 70m down dip and 55m down plunge”
Extracted facts
Stored fact records: 16. Some facts used in scoring do not have a stored record.
Drill Results (16)
26GBRC028Golden Boulder · goldGrade: 3.36Grade Unit: g/tIntercept: 9 mView all detailsHide details
Identity
- Hole ID
- 26GBRC028
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 3.36
- Grade Unit
- g/t
- Intercept
- 9 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade over a significant width.
Positive factors
- strong grade and width
Evidence · text
“9m at 3.36 g/t Au from 127m, including 4m at 6.77 g/t Au in hole 26GBRC028”
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
26GBRC028Golden Boulder · goldGrade: 6.77Grade Unit: g/tIntercept: 4 mView all detailsHide details
Identity
- Hole ID
- 26GBRC028
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 6.77
- Grade Unit
- g/t
- Intercept
- 4 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade sub-interval within a larger intercept.
Positive factors
- high grade sub-interval
Evidence · text
“4m at 6.77 g/t Au in hole 26GBRC028”
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
26GBRC011Golden Boulder · goldGrade: 2.62Grade Unit: g/tIntercept: 10 mView all detailsHide details
Identity
- Hole ID
- 26GBRC011
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 2.62
- Grade Unit
- g/t
- Intercept
- 10 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Moderate grade intercept.
Evidence · text
“10m at 2.62 g/t Au from 20m, including 2m at 10.72 g/t Au in hole 26GBRC011”
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
26GBRC011Golden Boulder · goldGrade: 10.72Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- 26GBRC011
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 10.72
- Grade Unit
- g/t
- Intercept
- 2 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade sub-interval.
Positive factors
- high grade sub-interval
Evidence · text
“2m at 10.72 g/t Au in hole 26GBRC011”
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
26GBRC035Golden Boulder · goldGrade: 11.38Grade Unit: g/tIntercept: 4 mView all detailsHide details
Identity
- Hole ID
- 26GBRC035
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 11.38
- Grade Unit
- g/t
- Intercept
- 4 m
- From
- 45 m
- To
- 49 m
- Intercept Depth
- 45 m
Classification
- Sample Type
- drill
- Group ID
- 26GBRC035:45-49
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Strong high-grade intercept.
Positive factors
- high grade
Evidence · text
“4m at 11.38 g/t Au from 45m, including 1m at 29.71 g/t Au in hole 26GBRC035”
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
26GBRC035Golden Boulder · goldGrade: 29.71Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- 26GBRC035
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 29.71
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Exceptional grade intercept.
Positive factors
- bonanza grade
Evidence · text
“1m at 29.71 g/t Au in hole 26GBRC035”
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
26MARC001Mon Ami · goldGrade: 3.4Grade Unit: g/tIntercept: 16 mView all detailsHide details
Identity
- Hole ID
- 26MARC001
- Project
- Mon Ami
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 3.4
- Grade Unit
- g/t
- Intercept
- 16 m
- From
- 178 m
- To
- 194 m
- Intercept Depth
- 178 m
Classification
- Sample Type
- drill
- Group ID
- 26MARC001:178-194
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Significant down-dip extension of mineralisation.
Positive factors
- significant extension
Evidence · text
“16m at 3.4g/t Au from 178m in hole 26MARC001 (45m down-dip extension)”
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
26MARC006Mon Ami · goldGrade: 1.2Grade Unit: g/tIntercept: 19 mView all detailsHide details
Identity
- Hole ID
- 26MARC006
- Project
- Mon Ami
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 1.2
- Grade Unit
- g/t
- Intercept
- 19 m
- From
- 213 m
- To
- 232 m
- Intercept Depth
- 213 m
Classification
- Sample Type
- drill
- Group ID
- 26MARC006:213-232
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Significant down-plunge extension of mineralisation.
Positive factors
- significant extension
Evidence · text
“19m at 1.2g/t Au from 213m in hole 26MARC006 (55m down-plunge extension)”
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
26MARC004Mon Ami · goldGrade: 1.28Grade Unit: g/tIntercept: 16 mView all detailsHide details
Identity
- Hole ID
- 26MARC004
- Project
- Mon Ami
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 1.28
- Grade Unit
- g/t
- Intercept
- 16 m
- From
- 281 m
- To
- 297 m
- Intercept Depth
- 281 m
Classification
- Sample Type
- drill
- Group ID
- 26MARC004:281-297
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Significant down-dip extension of mineralisation.
Positive factors
- significant extension
Evidence · text
“16m at 1.28 g/t Au from 281m in hole 26MARC004 (45m down-dip extension)”
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
25ACAC0007Amy Clarke · goldGrade: 23.9Grade Unit: g/tIntercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 25ACAC0007
- Project
- Amy Clarke
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 23.9
- Grade Unit
- g/t
- Intercept
- 2 m
- From
- 10 m
- To
- 12 m
- Hole Depth
- 2248 m
- Intercept Depth
- 10 m
Classification
- Sample Type
- drill
- Group ID
- 25ACAC0007:10-12
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-01-17T00:00:00.000Z
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade intercept, but noted as historical/previously announced.
Positive factors
- bonanza grade
Evidence · text
“2m at 23.9 g/t Au from 10m in hole 25ACAC0007”
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
25ACAC0105Amy Clarke · goldGrade: 11.2Grade Unit: g/tIntercept: 1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 25ACAC0105
- Project
- Amy Clarke
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 11.2
- Grade Unit
- g/t
- Intercept
- 1 m
- Hole Depth
- 2248 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-01-17T00:00:00.000Z
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade intercept, but noted as historical/previously announced.
Positive factors
- high grade
Evidence · text
“17m @ 1.4 g/t Au from 20m incl. 1m @ 11.2 g/t Au in hole 25ACAC0105”
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
25ACAC0105Amy Clarke · goldGrade: 1.4Grade Unit: g/tIntercept: 17 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 25ACAC0105
- Project
- Amy Clarke
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 1.4
- Grade Unit
- g/t
- Intercept
- 17 m
- From
- 20 m
- To
- 37 m
- Hole Depth
- 2248 m
- Intercept Depth
- 20 m
Classification
- Sample Type
- drill
- Group ID
- 25ACAC0105:20-37
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-01-17T00:00:00.000Z
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Moderate grade intercept, but noted as historical/previously announced.
Evidence · text
“17m @ 1.4 g/t Au from 20m incl. 1m @ 11.2 g/t Au in hole 25ACAC0105”
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
26GBRC028Golden Boulder · goldGrade: 3.36Grade Unit: g/tIntercept: 9 mView all detailsHide details
Identity
- Hole ID
- 26GBRC028
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 3.36
- Grade Unit
- g/t
- Intercept
- 9 m
- From
- 127 m
- To
- 136 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade over a significant width.
Positive factors
- strong grade and width
Evidence · text
“9m at 3.36 g/t Au from 127m”
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
26GBRC011Golden Boulder · goldGrade: 2.62Grade Unit: g/tIntercept: 10 mView all detailsHide details
Identity
- Hole ID
- 26GBRC011
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 2.62
- Grade Unit
- g/t
- Intercept
- 10 m
- From
- 20 m
- To
- 30 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: Moderate grade intercept.
Evidence · text
“10m at 2.62 g/t Au from 20m”
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
26GBRC022Golden Boulder · goldGrade: 7.27Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- 26GBRC022
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 7.27
- Grade Unit
- g/t
- Intercept
- 2 m
- From
- 70 m
- To
- 72 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade over a significant width.
Positive factors
- strong grade and width
Evidence · text
“2m at 7.27 g/t Au from 70m”
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
26GBRC003Golden Boulder · goldGrade: 2.45Grade Unit: g/tIntercept: 7 mView all detailsHide details
Identity
- Hole ID
- 26GBRC003
- Project
- Golden Boulder
- Commodity
- gold
- Region
- australia
- Reported Region
- australia
- Ticker
- GSN
Geometry
- Grade
- 2.45
- Grade Unit
- g/t
- Intercept
- 7 m
- From
- 41 m
- To
- 48 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-15T00:00:00.000Z
Reasoning: High grade over a significant width.
Positive factors
- strong grade and width
Evidence · text
“7m at 2.45 g/t Au from 41m”
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
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.