JAV: Coogee Au-Cu Diamond Hole Intersects Key Structure
Original announcement by asx on
- Company
- Javelin Minerals Ltd
- Ticker
- JAV
- Exchange
- ASX
- Region
- WA
- Primary commodity
- Gold
- Secondary commodities
- Copper
- Document categories
- Resource update, Drill results
- Extracted
- 2026-10-01 00:13:31 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Javelin Minerals Ltd has completed the first deep diamond hole (CODD001a) at its Coogee North gold-copper target in Western Australia, drilled to 819.8m. While the drilling intersected a highly altered and deformed geological sequence consistent with the historic Coogee open pit, downhole magnetic data suggests the source of the large magnetic anomaly was not identified. Assays are pending, and the company is planning an extension or wedge hole to further test the target.
Reasoning: Javelin Minerals has completed its first deep diamond hole at Coogee North, intersecting promising geology, but the hole did not directly hit the targeted magnetic anomaly, and assay results are still pending, leading to uncertainty and plans for further drilling.
Positive factors
- First deep diamond hole completed
- Intersected promising altered and deformed zone
- Geological observations consistent with historic pit
- Planning for extension/wedge hole
- Co-funded by EIS
Negative factors
- Assays pending
- Did not identify source of magnetic anomaly
- Visual estimates are not a proxy for lab analysis
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 8
Classification and evidence
Assays Pendingnegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The document explicitly states that assay results for the completed drill hole are pending.
Evidence · text
“Assays Pending”
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: The mineral resource estimates provided in the document have an effective date of July 2024, making them over two years old relative to the announcement date.
Evidence · text
“Table 3 : Coogee Gold Deposit Mineral Resource Estimate by Classification as of July 2024”
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: Mr Mark Cossom is named as a Competent Person who has reviewed the exploration results and mineral resources.
Evidence · text
“Mr Mark Cossom who is a consultant to Javelin Minerals Ltd and is a current Member of the Australasian Institute of Mining and Metallurgy. Mr Cossom owns shares in Javelin Minerals Ltd. Mr Cossom has sufficient experience, which is relevant to the style of mineralisation and types of deposit under consideration and to the activities undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the “Australasian Code of Reporting of Exploration Results, Mineral Resources and Ore Reserves”.”
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The document explicitly references the JORC Code (2012) for reporting exploration results and mineral resources.
Evidence · text
“JORC CODE (2012) Table 1”
No New Drill Resultsnegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The announcement states multiple times that no new assay results are being reported from the current drilling program.
Evidence · text
“No new results are reported in this ASX Release.”
Exploration Drillingneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: The drilling program is described as testing 'major intrusive gold - copper targets' and 'large geophysical anomalies remain untested by previous drilling'.
Evidence · text
“First deep diamond hole completed to test the first of two major intrusive gold - copper targets at Coogee North”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (1)
CODD001Coogee NorthView all detailsHide details
Identity
- Hole ID
- CODD001
- Project
- Coogee North
- Region
- wa
- Reported Region
- wa
- Ticker
- JAV
Geometry
- Hole Depth
- 819.8 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Easting
- 392960
- Northing
- 6555400
- CRS
- GDA94 MGA Zone 51
- EPSG
- 28351
- Elevation
- 300 m
- Azimuth
- 44 °
- Dip
- -70 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Bureau Veritas
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, umpire
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: The first deep diamond hole was completed, intersecting promising geology, but assays are pending and the primary target was not directly hit, leading to further planned drilling.
Positive factors
- First deep diamond hole completed
- Intersected promising altered and deformed zone
- Geological observations consistent with historic pit
- Planning for extension/wedge hole
Negative factors
- Assays pending
- Did not identify source of magnetic anomaly
Evidence · table
“CODD001”
Context: 819.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
Resource Estimates (7)
indicatedCoogee · goldTonnes: 15816Grade: 1.17Grade Unit: g/tContained Metal: 593Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Coogee
- Commodity
- gold
- Region
- wa
- Reported Region
- WA
- Ticker
- JAV
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Cossom
- Resource group id
- resource:3f7828e1ac2fea787f3b
- Material type
- Supergene
Resource Data
- Category
- indicated
- Tonnes
- 15816
- Grade
- 1.17
- Grade Unit
- g/t
- Contained Metal
- 593
- Contained Unit
- oz
- Cutoff Grade
- 0.5
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2024-07-01
Lab
- Laboratory
- Bureau Veritas
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-01T00:00:00.000Z
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: This is a historical Indicated resource estimate for supergene gold, providing context but not new information.
Positive factors
- Resource is in Indicated category
- QP/CP signed off on estimate
- JORC compliant
Negative factors
- Estimate is historical
- Low contained metal
Evidence · table
“1.17”
Context: 15,816
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
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.2 years before this release
indicatedCoogee · goldTonnes: 947426Grade: 1.31Grade Unit: g/tContained Metal: 39969Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Coogee
- Commodity
- gold
- Region
- wa
- Reported Region
- WA
- Ticker
- JAV
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Cossom
- Resource group id
- resource:c7d05af5b57f31e45d39
- Material type
- Primary
Resource Data
- Category
- indicated
- Tonnes
- 947426
- Grade
- 1.31
- Grade Unit
- g/t
- Contained Metal
- 39969
- Contained Unit
- oz
- Cutoff Grade
- 0.5
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2024-07-01
Lab
- Laboratory
- Bureau Veritas
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-01T00:00:00.000Z
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: This is a historical Indicated resource estimate for primary gold, providing context but not new information.
Positive factors
- Resource is in Indicated category
- QP/CP signed off on estimate
- JORC compliant
Negative factors
- Estimate is historical
Evidence · table
“1.31”
Context: 947,426
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
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.2 years before this release
inferredCoogee · goldTonnes: 24601Grade: 0.56Grade Unit: g/tContained Metal: 445Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Coogee
- Commodity
- gold
- Region
- wa
- Reported Region
- WA
- Ticker
- JAV
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Cossom
- Resource group id
- resource:329ed4ed3aafd14adc1f
- Material type
- Supergene
Resource Data
- Category
- inferred
- Tonnes
- 24601
- Grade
- 0.56
- Grade Unit
- g/t
- Contained Metal
- 445
- Contained Unit
- oz
- Cutoff Grade
- 0.5
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2024-07-01
Lab
- Laboratory
- Bureau Veritas
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-01T00:00:00.000Z
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: This is a historical Inferred resource estimate for supergene gold, providing context but not new information.
Positive factors
- QP/CP signed off on estimate
- JORC compliant
Negative factors
- Estimate is historical
- Resource is Inferred category
- Low contained metal
Evidence · table
“0.56”
Context: 24,601
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.2 years before this release
inferredCoogee · goldTonnes: 2666988Grade: 1Grade Unit: g/tContained Metal: 85677Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Coogee
- Commodity
- gold
- Region
- wa
- Reported Region
- WA
- Ticker
- JAV
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Cossom
- Resource group id
- resource:edfe77d7d8b5ef16f30c
- Material type
- Primary
Resource Data
- Category
- inferred
- Tonnes
- 2666988
- Grade
- 1
- Grade Unit
- g/t
- Contained Metal
- 85677
- Contained Unit
- oz
- Cutoff Grade
- 0.5
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2024-07-01
Lab
- Laboratory
- Bureau Veritas
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-01T00:00:00.000Z
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: This is a historical Inferred resource estimate for primary gold, providing context but not new information.
Positive factors
- QP/CP signed off on estimate
- JORC compliant
Negative factors
- Estimate is historical
- Resource is Inferred category
Evidence · table
“1.00”
Context: 2,666,988
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.2 years before this release
inferredCoogee · copperTonnes: 330366Grade: 5546Grade Unit: ppmContained Metal: 1832Contained Unit: tonnes cuHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Coogee
- Commodity
- copper
- Region
- wa
- Reported Region
- WA
- Ticker
- JAV
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Cossom
- Resource group id
- resource:b5c1437baaa621543673
- Deposit or zone
- Gold Domain
- Material type
- Primary within Gold Domain
Resource Data
- Category
- inferred
- Tonnes
- 330366
- Grade
- 5546
- Grade Unit
- ppm
- Contained Metal
- 1832
- Contained Unit
- tonnes cu
- Cutoff Grade
- 2000
- Cutoff Unit
- ppm Cu
Prior Estimate
- Resource Date
- 2024-07-01
Lab
- Laboratory
- Bureau Veritas
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-01T00:00:00.000Z
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: This is a historical Inferred resource estimate for primary copper within the gold domain, providing context but not new information.
Positive factors
- QP/CP signed off on estimate
- JORC compliant
Negative factors
- Estimate is historical
- Resource is Inferred category
Evidence · table
“5,546”
Context: 330,366
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.2 years before this release
inferredCoogee · copperTonnes: 271745Grade: 3619Grade Unit: ppmContained Metal: 983Contained Unit: tonnes cuHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Coogee
- Commodity
- copper
- Region
- wa
- Reported Region
- WA
- Ticker
- JAV
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Cossom
- Resource group id
- resource:b42e7c4f41869ab58a12
- Material type
- Supergene
Resource Data
- Category
- inferred
- Tonnes
- 271745
- Grade
- 3619
- Grade Unit
- ppm
- Contained Metal
- 983
- Contained Unit
- tonnes cu
- Cutoff Grade
- 2000
- Cutoff Unit
- ppm Cu
Prior Estimate
- Resource Date
- 2024-07-01
Lab
- Laboratory
- Bureau Veritas
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-01T00:00:00.000Z
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: This is a historical Inferred resource estimate for supergene copper, providing context but not new information.
Positive factors
- QP/CP signed off on estimate
- JORC compliant
Negative factors
- Estimate is historical
- Resource is Inferred category
- Low contained metal
Evidence · table
“3,619”
Context: 271,745
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.2 years before this release
inferredCoogee · copperTonnes: 415494Grade: 3144Grade Unit: ppmContained Metal: 1306Contained Unit: tonnes cuHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Coogee
- Commodity
- copper
- Region
- wa
- Reported Region
- WA
- Ticker
- JAV
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Cossom
- Resource group id
- resource:2e123e183fff83156402
- Deposit or zone
- Gold Domain
- Material type
- Primary without Gold Domain
Resource Data
- Category
- inferred
- Tonnes
- 415494
- Grade
- 3144
- Grade Unit
- ppm
- Contained Metal
- 1306
- Contained Unit
- tonnes cu
- Cutoff Grade
- 2000
- Cutoff Unit
- ppm Cu
Prior Estimate
- Resource Date
- 2024-07-01
Lab
- Laboratory
- Bureau Veritas
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-01T00:00:00.000Z
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: This is a historical Inferred resource estimate for primary copper outside the gold domain, providing context but not new information.
Positive factors
- QP/CP signed off on estimate
- JORC compliant
Negative factors
- Estimate is historical
- Resource is Inferred category
- Low contained metal
Evidence · table
“3,144”
Context: 415,494
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.2 years before this 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.