Quarterly Activities Report
Original announcement by lse on
- Company
- BHP Group Limited
- Ticker
- BHP
- Exchange
- LSE
- Region
- South Australia
- Primary commodity
- Copper
- Secondary commodities
- Uranium, Gold, Silver, Iron ore, Molybdenum, Lead, Zinc, Potash, Steelmaking coal, Energy coal
- Document categories
- Resource update, Production
- Extracted
- 2026-10-20 07:24:53 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
BHP Group Limited reported its quarterly activities, highlighting the introduction of a new Block Cave Mineral Resource at Olympic Dam, which significantly increases the overall resource base. Despite this, quarterly copper production decreased due to lower planned grades and operational disruptions. The company maintained its full-year production guidance and is advancing growth options in copper and potash, while existing Ore Reserves for Olympic Dam remain unchanged.
Reasoning: The report introduces a new, large Block Cave Mineral Resource at Olympic Dam, significantly increasing the overall resource base, which is a positive development. However, quarterly copper production was down due to operational issues and planned lower grades, and existing reserves remain unchanged.
Positive factors
- Maiden Block Cave Resource
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Production Decreases
- Unchanged Reserves
- Inferred Resource Component
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 36
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The report includes the first-time reporting of an underground block cave (BC) Mineral Resource at Olympic Dam.
Evidence · text
“first-time reporting of an underground block cave (BC) Mineral Resource at Olympic Dam”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document announces an increase to Olympic Dam's mineral resource base.
Evidence · text
“today we announced an increase to Olympic Dam's mineral resource base”
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The Mineral Resources and Ore Reserves are based on and fairly represent information compiled by Competent Persons as defined in the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'.
Evidence · text
“2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'”
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: MP O'Hare and Naveen S Kinthada are named as Competent Persons who are Members of The Australasian Institute of Mining and Metallurgy (MAusIMM) and full-time employees of BHP.
Evidence · text
“MP O'Hare, a Competent Person who is a Member of The Australasian Institute of Mining and Metallurgy (MAusIMM)”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: A break-even economic cut-off of ≥0.35% Cu was applied to the Block Cave Mineral Resource, and variable cut-offs between 1.0% and 1.7% Cu for UG Sulphide and ≥0.6% Cu for Low grade were applied to Ore Reserves.
Evidence · text
“A break-even economic cut-off of ≥0.35% Cu was applied”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The Block Cave Mineral Resource includes a significant Inferred component of 2,600 Mt.
Evidence · table
“2,600”
Context: UG Sulphide (Block Cave)
Production Decreasenegative · Story-specific tag
No canonical definition is currently available.
Why it applies: Copper production was lower in the first quarter, reflecting planned grade declines and operational disruptions.
Evidence · text
“Copper production was lower in the first quarter, reflecting planned grade declines and scheduled maintenance, alongside temporary disruptions from severe weather in Chile, stops for safety and the conveyor failure at Carrapateena.”
Stale Data Re-releasenegative · Story-specific tag
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The UG Sulphide (SLOS) Mineral Resource and Olympic Dam Ore Reserves are unchanged from those reported in the FY26 Annual Report.
Evidence · text
“The UG Sulphide (SLOS) Mineral Resource is unchanged from that reported in BHP's FY26 Annual Report”
Extracted facts
Stored fact records: 36. Some facts used in scoring do not have a stored record.
Resource Estimates (36)
measuredOlympic Dam · copperTonnes: 4000000000Grade: 0.61Grade Unit: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 0.61
- Grade Unit
- %
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Measured resource for the Block Cave, contributing significantly to the overall resource base with a good copper grade for an underground bulk mining scenario.
Positive factors
- Maiden Resource
- Measured Resource
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Evidence · table
“4,000”
Context: 0.61
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · uraniumTonnes: 4000000000Grade: 0.19Grade Unit: kg/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 0.19
- Grade Unit
- kg/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Measured resource for the Block Cave, providing a significant uranium byproduct credit.
Positive factors
- Maiden Resource
- Measured Resource
- JORC Compliant
- QP/CP Signed
Evidence · table
“0.19”
Context: 4,000
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · goldTonnes: 4000000000Grade: 0.21Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 0.21
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Measured resource for the Block Cave, providing a gold byproduct credit.
Positive factors
- Maiden Resource
- Measured Resource
- JORC Compliant
- QP/CP Signed
Evidence · table
“0.21”
Context: 4,000
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · silverTonnes: 4000000000Grade: 1Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 1
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Measured resource for the Block Cave, providing a silver byproduct credit.
Positive factors
- Maiden Resource
- Measured Resource
- JORC Compliant
- QP/CP Signed
Evidence · table
“1”
Context: 4,000
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · copperTonnes: 4130000000Grade: 0.57Grade Unit: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 0.57
- Grade Unit
- %
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Indicated resource for the Block Cave, contributing significantly to the overall resource base with a good copper grade for an underground bulk mining scenario.
Positive factors
- Maiden Resource
- Indicated Resource
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Evidence · table
“4,130”
Context: 0.57
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · uraniumTonnes: 4130000000Grade: 0.18Grade Unit: kg/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 0.18
- Grade Unit
- kg/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Indicated resource for the Block Cave, providing a significant uranium byproduct credit.
Positive factors
- Maiden Resource
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Evidence · table
“0.18”
Context: 4,130
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · goldTonnes: 4130000000Grade: 0.21Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 0.21
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Indicated resource for the Block Cave, providing a gold byproduct credit.
Positive factors
- Maiden Resource
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Evidence · table
“0.21”
Context: 4,130
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · silverTonnes: 4130000000Grade: 1Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 1
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Indicated resource for the Block Cave, providing a silver byproduct credit.
Positive factors
- Maiden Resource
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Evidence · table
“1”
Context: 4,130
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · copperTonnes: 2600000000Grade: 0.6Grade Unit: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 0.6
- Grade Unit
- %
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Inferred resource for the Block Cave, contributing to the overall resource base but with lower geological confidence.
Positive factors
- Maiden Resource
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Inferred Resource
Evidence · table
“2,600”
Context: 0.60
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · uraniumTonnes: 2600000000Grade: 0.19Grade Unit: kg/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 0.19
- Grade Unit
- kg/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Inferred resource for the Block Cave, providing a uranium byproduct credit but with lower geological confidence.
Positive factors
- Maiden Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“0.19”
Context: 2,600
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · goldTonnes: 2600000000Grade: 0.23Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 0.23
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Inferred resource for the Block Cave, providing a gold byproduct credit but with lower geological confidence.
Positive factors
- Maiden Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“0.23”
Context: 2,600
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · silverTonnes: 2600000000Grade: 1Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 1
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This is a new Inferred resource for the Block Cave, providing a silver byproduct credit but with lower geological confidence.
Positive factors
- Maiden Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“1”
Context: 2,600
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · copperTonnes: 840000000Grade: 1.59Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:448c844b4a5239a25481
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 840000000
- Grade
- 1.59
- Grade Unit
- %
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence.
Positive factors
- Measured Resource
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Stale Data Re-release
Evidence · table
“840”
Context: 1.59
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · uraniumTonnes: 840000000Grade: 0.47Grade Unit: kg/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:448c844b4a5239a25481
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 840000000
- Grade
- 0.47
- Grade Unit
- kg/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence for uranium byproduct.
Positive factors
- Measured Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.47”
Context: 840
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · goldTonnes: 840000000Grade: 0.62Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:448c844b4a5239a25481
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 840000000
- Grade
- 0.62
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence for gold byproduct.
Positive factors
- Measured Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.62”
Context: 840
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · silverTonnes: 840000000Grade: 3Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:448c844b4a5239a25481
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 840000000
- Grade
- 3
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Measured resource for SLOS is unchanged from the prior report, indicating no new information but maintaining high confidence for silver byproduct.
Positive factors
- Measured Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“3”
Context: 840
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · copperTonnes: 540000000Grade: 1.56Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:606cc35a59503b20ee3f
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 540000000
- Grade
- 1.56
- Grade Unit
- %
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Stale Data Re-release
Evidence · table
“540”
Context: 1.56
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · uraniumTonnes: 540000000Grade: 0.45Grade Unit: kg/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:606cc35a59503b20ee3f
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 540000000
- Grade
- 0.45
- Grade Unit
- kg/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence for uranium byproduct.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.45”
Context: 540
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · goldTonnes: 540000000Grade: 0.57Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:606cc35a59503b20ee3f
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 540000000
- Grade
- 0.57
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence for gold byproduct.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.57”
Context: 540
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · silverTonnes: 540000000Grade: 3Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:606cc35a59503b20ee3f
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 540000000
- Grade
- 3
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Indicated resource for SLOS is unchanged from the prior report, indicating no new information but maintaining good confidence for silver byproduct.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“3”
Context: 540
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · copperTonnes: 210000000Grade: 1.44Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:b008386f6bde7e6f208c
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 210000000
- Grade
- 1.44
- Grade Unit
- %
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence.
Positive factors
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Inferred Resource
- Stale Data Re-release
Evidence · table
“210”
Context: 1.44
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · uraniumTonnes: 210000000Grade: 0.42Grade Unit: kg/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:b008386f6bde7e6f208c
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 210000000
- Grade
- 0.42
- Grade Unit
- kg/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence for uranium byproduct.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Data Re-release
Evidence · table
“0.42”
Context: 210
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · goldTonnes: 210000000Grade: 0.63Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:b008386f6bde7e6f208c
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 210000000
- Grade
- 0.63
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence for gold byproduct.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Data Re-release
Evidence · table
“0.63”
Context: 210
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · silverTonnes: 210000000Grade: 3Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O'Hare
- Resource group id
- resource:b008386f6bde7e6f208c
- Deposit or zone
- UG Sulphide (SLOS)
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 210000000
- Grade
- 3
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Inferred resource for SLOS is unchanged from the prior report, indicating no new information and lower geological confidence for silver byproduct.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Data Re-release
Evidence · table
“3”
Context: 210
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
provenOlympic Dam · copperTonnes: 355000000Grade: 1.89Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:ac17dc47af2e4776c30f
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- proven
- Tonnes
- 355000000
- Grade
- 1.89
- Grade Unit
- %
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Stale Data Re-release
Evidence · table
“355”
Context: 1.89
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
provenOlympic Dam · uraniumTonnes: 355000000Grade: 0.59Grade Unit: kg/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:ac17dc47af2e4776c30f
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- proven
- Tonnes
- 355000000
- Grade
- 0.59
- Grade Unit
- kg/t
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence for uranium byproduct.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.59”
Context: 355
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
provenOlympic Dam · goldTonnes: 355000000Grade: 0.72Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:ac17dc47af2e4776c30f
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- proven
- Tonnes
- 355000000
- Grade
- 0.72
- Grade Unit
- g/t
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence for gold byproduct.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.72”
Context: 355
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
provenOlympic Dam · silverTonnes: 355000000Grade: 4Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:ac17dc47af2e4776c30f
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- proven
- Tonnes
- 355000000
- Grade
- 4
- Grade Unit
- g/t
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Proven Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining high confidence for silver byproduct.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“4”
Context: 355
Tags used in scoring
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "proven"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · copperTonnes: 254000000Grade: 1.68Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:de2357de325f50e7bba7
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- probable
- Tonnes
- 254000000
- Grade
- 1.68
- Grade Unit
- %
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Stale Data Re-release
Evidence · table
“254”
Context: 1.68
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · uraniumTonnes: 254000000Grade: 0.53Grade Unit: kg/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:de2357de325f50e7bba7
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- probable
- Tonnes
- 254000000
- Grade
- 0.53
- Grade Unit
- kg/t
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence for uranium byproduct.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.53”
Context: 254
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · goldTonnes: 254000000Grade: 0.62Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:de2357de325f50e7bba7
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- probable
- Tonnes
- 254000000
- Grade
- 0.62
- Grade Unit
- g/t
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence for gold byproduct.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.62”
Context: 254
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · silverTonnes: 254000000Grade: 3Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:de2357de325f50e7bba7
- Deposit or zone
- UG Sulphide
- Material type
- sulphide
Resource Data
- Category
- probable
- Tonnes
- 254000000
- Grade
- 3
- Grade Unit
- g/t
- Cutoff Grade
- 1
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for UG Sulphide is unchanged from the prior report, indicating no new information but maintaining good confidence for silver byproduct.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“3”
Context: 254
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · copperTonnes: 44000000Grade: 0.83Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:a6b8e832e7f53e5f771c
- Deposit or zone
- Low grade
- Material type
- Low grade
Resource Data
- Category
- probable
- Tonnes
- 44000000
- Grade
- 0.83
- Grade Unit
- %
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
- Cut-off Disclosed
Negative factors
- Stale Data Re-release
Evidence · table
“44”
Context: 0.83
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · uraniumTonnes: 44000000Grade: 0.28Grade Unit: kg/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:a6b8e832e7f53e5f771c
- Deposit or zone
- Low grade
- Material type
- Low grade
Resource Data
- Category
- probable
- Tonnes
- 44000000
- Grade
- 0.28
- Grade Unit
- kg/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence for uranium byproduct.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.28”
Context: 44
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · goldTonnes: 44000000Grade: 0.34Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:a6b8e832e7f53e5f771c
- Deposit or zone
- Low grade
- Material type
- Low grade
Resource Data
- Category
- probable
- Tonnes
- 44000000
- Grade
- 0.34
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence for gold byproduct.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“0.34”
Context: 44
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
probableOlympic Dam · silverTonnes: 44000000Grade: 2Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:a6b8e832e7f53e5f771c
- Deposit or zone
- Low grade
- Material type
- Low grade
Resource Data
- Category
- probable
- Tonnes
- 44000000
- Grade
- 2
- Grade Unit
- g/t
- Cutoff Grade
- 0.6
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-06-30
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-20T00:00:00.000Z
Reasoning: This Probable Reserve for Low grade material is unchanged from the prior report, indicating no new information but maintaining good confidence for silver byproduct.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Evidence · table
“2”
Context: 44
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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.