BHP Group Ltd - 6-K (2026-10-21)
Original announcement by sec_edgar on
- Company
- BHP Group Limited
- Ticker
- BHP
- Exchange
- NYSE
- Region
- South Australia
- Primary commodity
- Copper
- Secondary commodities
- Uranium, Gold, Silver, Iron ore, Steelmaking coal, Energy coal, Zinc, Lead, Molybdenum
- Document categories
- Resource update, Production, Agreement transaction
- Extracted
- 2026-10-21 11:22:31 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
BHP Group Limited reported its operational review for Q1 FY27, highlighting a decrease in copper production due to planned lower grades and operational disruptions, while bulk commodities showed a strong start. The company also announced a significant increase to the Olympic Dam mineral resource base with a new underground block cave resource, adding substantial copper, uranium, gold, and silver tonnes, although existing resources and reserves remain unchanged. Additionally, BHP progressed strategic partnerships and project funding for future growth initiatives.
Reasoning: The announcement introduces a significant new underground block cave mineral resource for Olympic Dam, adding substantial tonnes of copper, uranium, gold, and silver, which enhances the project's long-term potential. While existing resources and reserves are re-stated as unchanged, the addition of this new resource is a material positive development for the project's future.
Positive factors
- New large block cave resource
- JORC Compliant
- QP/CP Signed
- Multi-commodity
- Supports future mining options
Negative factors
- SLOS resource and all reserves are unchanged (low novelty for these parts)
- Block cave resource is early stage and not yet converted to reserves
- Variable cut-off grades for SLOS and reserves
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 40
Extracted facts
Stored fact records: 40. Some facts used in scoring do not have a stored record.
Resource Estimates (40)
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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Measured copper resource for the Olympic Dam Block Cave, contributing significantly to the overall resource base with high confidence.
Positive factors
- New large block cave resource
- Measured Resource
- High confidence category
- JORC Compliant
- QP/CP Signed
Evidence · table
“0.61”
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 · 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Measured uranium resource for the Olympic Dam Block Cave, contributing significantly to the overall resource base with high confidence.
Positive factors
- New large block cave resource
- Measured Resource
- High confidence category
- 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Measured gold resource for the Olympic Dam Block Cave, contributing to the overall resource base with high confidence.
Positive factors
- New large block cave resource
- Measured Resource
- High confidence category
- 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Measured silver resource for the Olympic Dam Block Cave, contributing to the overall resource base with high confidence.
Positive factors
- New large block cave resource
- Measured Resource
- High confidence category
- 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Indicated copper resource for the Olympic Dam Block Cave, contributing significantly to the overall resource base with high confidence.
Positive factors
- New large block cave resource
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Evidence · table
“0.57”
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 · 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Indicated uranium resource for the Olympic Dam Block Cave, contributing significantly to the overall resource base with high confidence.
Positive factors
- New large block cave 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Indicated gold resource for the Olympic Dam Block Cave, contributing to the overall resource base with high confidence.
Positive factors
- New large block cave 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Indicated silver resource for the Olympic Dam Block Cave, contributing to the overall resource base with high confidence.
Positive factors
- New large block cave 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Inferred copper resource for the Olympic Dam Block Cave, contributing significantly to the overall resource base, though with lower confidence due to its inferred category.
Positive factors
- New large block cave resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“0.60”
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 · 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Inferred uranium resource for the Olympic Dam Block Cave, contributing significantly to the overall resource base, though with lower confidence due to its inferred category.
Positive factors
- New large block cave 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Inferred gold resource for the Olympic Dam Block Cave, contributing to the overall resource base, though with lower confidence due to its inferred category.
Positive factors
- New large block cave 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, Naveen S Kinthada
- 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
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This represents a new Inferred silver resource for the Olympic Dam Block Cave, contributing to the overall resource base, though with lower confidence due to its inferred category.
Positive factors
- New large block cave 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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Measured copper resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Measured Resource
- High confidence category
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
Evidence · table
“1.59”
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 · 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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Measured uranium resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Measured Resource
- High confidence category
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Measured gold resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Measured Resource
- High confidence category
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Measured silver resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Measured Resource
- High confidence category
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Indicated copper resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
Evidence · table
“1.56”
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 · 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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Indicated uranium resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Indicated gold resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Indicated silver resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Inferred copper resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty and lower confidence due to its inferred category.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Data Re-release
- Cut-off Undisclosed
Evidence · table
“1.44”
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 · 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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Inferred uranium resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty and lower confidence due to its inferred category.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Inferred gold resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty and lower confidence due to its inferred category.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Data Re-release
- Cut-off Undisclosed
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, Naveen S Kinthada
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Inferred silver resource for the Olympic Dam SLOS is re-stated as unchanged from the prior report, indicating low novelty and lower confidence due to its inferred category.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Proven copper reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
Evidence · table
“1.89”
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 · 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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Proven uranium reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Proven gold reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, Naveen S Kinthada
- Resource group id
- resource:e1c3278d3b8f4c1e1448
- 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Proven silver reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but high confidence.
Positive factors
- Proven Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable copper reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
Evidence · table
“1.68”
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 · 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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable uranium reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable gold reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable silver reserve for Olympic Dam is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable copper reserve for Olympic Dam (Low grade) is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
Evidence · table
“0.83”
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 · 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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable uranium reserve for Olympic Dam (Low grade) is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable gold reserve for Olympic Dam (Low grade) is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
- MP O’Hare, 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
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-06-30T00:00:00.000Z
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: This Probable silver reserve for Olympic Dam (Low grade) is re-stated as unchanged from the prior report, indicating low novelty but good confidence.
Positive factors
- Probable Reserve
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
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
Fact 37Olympic Dam · copperContained Metal: 88.1Contained Unit: mtView 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, Naveen S Kinthada
- Resource group id
- resource:e2f893c5bc7a24b6761a
- Mining method
- underground
Resource Data
- Contained Metal
- 88.1
- Contained Unit
- mt
- Cutoff Grade
- 0.6
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: The total classified underground Mineral Resource for Olympic Dam now contains 88.1 Mt of copper, representing a significant increase due to the new block cave resource.
Positive factors
- New large block cave resource
- JORC Compliant
- QP/CP Signed
- Contained Metal Growth
Evidence · text
“88.1 Mt of Cu”
Tags used in scoring
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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Fact 38Olympic Dam · uraniumContained Metal: 2.8Contained Unit: mtView 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, Naveen S Kinthada
- Resource group id
- resource:e2f893c5bc7a24b6761a
- Mining method
- underground
Resource Data
- Contained Metal
- 2.8
- Contained Unit
- mt
- Cutoff Grade
- 0.6
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: The total classified underground Mineral Resource for Olympic Dam now contains 2.8 Mt of uranium, representing a significant increase due to the new block cave resource.
Positive factors
- New large block cave resource
- JORC Compliant
- QP/CP Signed
- Contained Metal Growth
Evidence · text
“2.8 Mt of U 3 O 8”
Tags used in scoring
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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Fact 39Olympic Dam · goldContained Metal: 103Contained Unit: mozView 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, Naveen S Kinthada
- Resource group id
- resource:e2f893c5bc7a24b6761a
- Mining method
- underground
Resource Data
- Contained Metal
- 103
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: The total classified underground Mineral Resource for Olympic Dam now contains 103 Moz of gold, representing a significant increase due to the new block cave resource.
Positive factors
- New large block cave resource
- JORC Compliant
- QP/CP Signed
- Contained Metal Growth
Evidence · text
“103 Moz of Au”
Tags used in scoring
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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Fact 40Olympic Dam · silverContained Metal: 498Contained Unit: mozView 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, Naveen S Kinthada
- Resource group id
- resource:e2f893c5bc7a24b6761a
- Mining method
- underground
Resource Data
- Contained Metal
- 498
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- %
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: The total classified underground Mineral Resource for Olympic Dam now contains 498 Moz of silver, representing a significant increase due to the new block cave resource.
Positive factors
- New large block cave resource
- JORC Compliant
- QP/CP Signed
- Contained Metal Growth
Evidence · text
“498 Moz of Ag”
Tags used in scoring
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
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.