BHP: Quarterly Activities Report
Original announcement by asx on
- Company
- BHP Group Limited
- Ticker
- BHP
- Exchange
- ASX
- Region
- South Australia
- Primary commodity
- Copper
- Secondary commodities
- Uranium, Gold, Silver, Iron ore, Steelmaking coal, Energy coal, Potash, Lead, Zinc, Molybdenum
- Document categories
- Resource update, Production, Other
- Extracted
- 2026-10-19 22:19:01 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
BHP reported its Q1 FY27 operational review, highlighting a significant increase in the Olympic Dam mineral resource base with the first-time reporting of an underground block cave resource. This new resource adds 10,730 Mt at 0.59% Cu, 0.19 kg/t U3O8, 0.21 g/t Au, and 1 g/t Ag, bringing the total contained metal to 88.1 Mt Cu, 2.8 Mt U3O8, 103 Moz Au, and 498 Moz Ag. The company also provided production figures for copper, iron ore, and coal, noting a decrease in copper production due to planned grade declines and operational disruptions, while bulk commodities delivered a strong start to the year.
Reasoning: The report presents a significant resource update for Olympic Dam, which is a major positive for long-term growth. However, this is balanced by a decrease in copper production and tragic safety incidents. Strong performance in bulk commodities and progress on other growth projects contribute to an overall positive outlook despite challenges.
Positive factors
- Significant increase in Olympic Dam's mineral resource base with the first-time reporting of a block cave resource, adding substantial tonnes and contained metal.
- Strong operational performance in bulk commodities (WAIO, BMA, NSW Energy Coal) with several Q1 records achieved.
- Progress on key growth projects like Jansen Potash (87% complete for Stage 1) and Escondida New Concentrator funding approval.
- High commodity prices, particularly copper, provided a tailwind for earnings.
Negative factors
- Two fatalities reported at Escondida and Peak Downs, highlighting safety concerns.
- Copper production decreased due to planned grade declines, scheduled maintenance, severe weather, and operational disruptions.
- Global market volatility, geopolitical tensions, trade uncertainty, and elevated energy/freight costs continue to create industry headwinds.
Facts used in scoring: 36
Extracted facts
Stored fact records: 36. Some facts used in scoring do not have a stored record.
Resource Estimates (36)
measuredOlympic Dam · copperTonnes: 4000000000Grade: 0.61Grade Unit: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 0.61
- Grade Unit
- %
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Measured resource for the block cave mining method at Olympic Dam, providing high confidence for future studies.
Positive factors
- Maiden resource for block cave mining method, adding significant Measured tonnes.
- High confidence category (Measured) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 4,000
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · uraniumTonnes: 4000000000Grade: 0.19Grade Unit: kg/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 0.19
- Grade Unit
- kg/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Measured resource for uranium within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Measured tonnes of uranium.
- High confidence category (Measured) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 4,000
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · goldTonnes: 4000000000Grade: 0.21Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 0.21
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Measured resource for gold within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Measured tonnes of gold.
- High confidence category (Measured) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 4,000
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
measuredOlympic Dam · silverTonnes: 4000000000Grade: 1Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:9942471ef7428a610e45
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- measured
- Tonnes
- 4000000000
- Grade
- 1
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Measured resource for silver within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Measured tonnes of silver.
- High confidence category (Measured) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 4,000
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · copperTonnes: 4130000000Grade: 0.57Grade Unit: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 0.57
- Grade Unit
- %
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Indicated resource for the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Indicated tonnes.
- High confidence category (Indicated) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 4,130
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · uraniumTonnes: 4130000000Grade: 0.18Grade Unit: kg/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 0.18
- Grade Unit
- kg/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Indicated resource for uranium within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Indicated tonnes of uranium.
- High confidence category (Indicated) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 4,130
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · goldTonnes: 4130000000Grade: 0.21Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 0.21
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Indicated resource for gold within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Indicated tonnes of gold.
- High confidence category (Indicated) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 4,130
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
indicatedOlympic Dam · silverTonnes: 4130000000Grade: 1Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:aa91e3bb0a574f38e6e1
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- indicated
- Tonnes
- 4130000000
- Grade
- 1
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Indicated resource for silver within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Indicated tonnes of silver.
- High confidence category (Indicated) for a substantial portion of the new resource.
- JORC compliant and QP signed, indicating high reporting standards.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 4,130
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · copperTonnes: 2600000000Grade: 0.6Grade Unit: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 0.6
- Grade Unit
- %
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Inferred resource for the block cave mining method at Olympic Dam, providing early-stage potential.
Positive factors
- Maiden resource for block cave mining method, adding significant Inferred tonnes.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 2,600
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · uraniumTonnes: 2600000000Grade: 0.19Grade Unit: kg/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 0.19
- Grade Unit
- kg/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Inferred resource for uranium within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Inferred tonnes of uranium.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 2,600
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · goldTonnes: 2600000000Grade: 0.23Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 0.23
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Inferred resource for gold within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Inferred tonnes of gold.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 2,600
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
inferredOlympic Dam · silverTonnes: 2600000000Grade: 1Grade Unit: g/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:bfd06258cddc38c4978b
- Deposit or zone
- UG Sulphide (Block Cave)
- Mining method
- underground
- Material type
- sulphide
Resource Data
- Category
- inferred
- Tonnes
- 2600000000
- Grade
- 1
- Grade Unit
- g/t
- Cutoff Grade
- 0.35
- Cutoff Unit
- % Cu
Prior Estimate
- Resource Date
- 2026-09-01
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: First-time reporting of a large Inferred resource for silver within the block cave mining method at Olympic Dam.
Positive factors
- Maiden resource for block cave mining method, adding significant Inferred tonnes of silver.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 2,600
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: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:97fd45f04482b34b1259
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Measured resource for SLOS mining method at Olympic Dam, maintaining high confidence.
Positive factors
- High confidence category (Measured) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 840
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:97fd45f04482b34b1259
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Measured resource for uranium within the SLOS mining method at Olympic Dam.
Positive factors
- High confidence category (Measured) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 840
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:97fd45f04482b34b1259
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Measured resource for gold within the SLOS mining method at Olympic Dam.
Positive factors
- High confidence category (Measured) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 840
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:97fd45f04482b34b1259
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Measured resource for silver within the SLOS mining method at Olympic Dam.
Positive factors
- High confidence category (Measured) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Measured, indicating the highest confidence category.
Evidence · table
“Measured Resources”
Context: 840
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: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:d3d771a764b257053b73
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Indicated resource for SLOS mining method at Olympic Dam, maintaining high confidence.
Positive factors
- High confidence category (Indicated) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 540
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:d3d771a764b257053b73
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Indicated resource for uranium within the SLOS mining method at Olympic Dam.
Positive factors
- High confidence category (Indicated) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 540
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:d3d771a764b257053b73
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Indicated resource for gold within the SLOS mining method at Olympic Dam.
Positive factors
- High confidence category (Indicated) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 540
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:d3d771a764b257053b73
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Indicated resource for silver within the SLOS mining method at Olympic Dam.
Positive factors
- High confidence category (Indicated) for a significant resource.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
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: The resource is classified as Indicated, indicating reasonable geological confidence.
Evidence · table
“Indicated Resources”
Context: 540
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: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:82547eecd4630b6a46f5
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Inferred resource for SLOS mining method at Olympic Dam, providing early-stage potential.
Positive factors
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 210
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:82547eecd4630b6a46f5
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Inferred resource for uranium within the SLOS mining method at Olympic Dam.
Positive factors
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 210
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:82547eecd4630b6a46f5
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Inferred resource for gold within the SLOS mining method at Olympic Dam.
Positive factors
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 210
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- MP O’Hare
- Resource group id
- resource:82547eecd4630b6a46f5
- Deposit or zone
- UG Sulphide (SLOS)
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Intertek Group plc, Adelaide
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Inferred resource for silver within the SLOS mining method at Olympic Dam.
Positive factors
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Resource is unchanged from prior reporting, indicating low novelty.
- Inferred category indicates lower geological confidence and cannot support economic studies alone.
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: The resource is classified as Inferred, indicating a speculative category with limited drilling.
Evidence · table
“Inferred Resources”
Context: 210
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: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:73861c849000a164f0cf
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Proven reserve for UG Sulphide at Olympic Dam, maintaining high confidence.
Positive factors
- High confidence category (Proven) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
Evidence · table
“1.89”
Context: 355
Tags used in scoring
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:73861c849000a164f0cf
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Proven reserve for uranium within UG Sulphide at Olympic Dam.
Positive factors
- High confidence category (Proven) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
Evidence · table
“0.59”
Context: 355
Tags used in scoring
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:73861c849000a164f0cf
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Proven reserve for gold within UG Sulphide at Olympic Dam.
Positive factors
- High confidence category (Proven) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
Evidence · table
“0.72”
Context: 355
Tags used in scoring
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:73861c849000a164f0cf
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Proven reserve for silver within UG Sulphide at Olympic Dam.
Positive factors
- High confidence category (Proven) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
Evidence · table
“4”
Context: 355
Tags used in scoring
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: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:6b40781c38b46dd255b7
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for UG Sulphide at Olympic Dam, maintaining high confidence.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
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: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 254
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:6b40781c38b46dd255b7
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for uranium within UG Sulphide at Olympic Dam.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
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: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 254
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:6b40781c38b46dd255b7
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for gold within UG Sulphide at Olympic Dam.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
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: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 254
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:6b40781c38b46dd255b7
- Deposit or zone
- UG Sulphide
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for silver within UG Sulphide at Olympic Dam.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
Evidence · table
“3”
Context: 254
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 254
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: %View all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- copper
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:d69d2c7b16c5dfb74a19
- Deposit or zone
- Low grade
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for Low grade material at Olympic Dam, maintaining high confidence.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
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: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 44
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- uranium
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:d69d2c7b16c5dfb74a19
- Deposit or zone
- Low grade
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for uranium within Low grade material at Olympic Dam.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
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: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 44
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- gold
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:d69d2c7b16c5dfb74a19
- Deposit or zone
- Low grade
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for gold within Low grade material at Olympic Dam.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
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: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 44
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/tView all detailsHide details
Identity
- Project
- Olympic Dam
- Commodity
- silver
- Region
- australia_sa
- Reported Region
- South Australia
- Ticker
- BHP
Resource scope
- Estimate type
- reserve
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Naveen S Kinthada
- Resource group id
- resource:d69d2c7b16c5dfb74a19
- Deposit or zone
- Low grade
- Mining method
- underground
- 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
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: Restatement of an existing Probable reserve for silver within Low grade material at Olympic Dam.
Positive factors
- High confidence category (Probable) for a significant reserve.
- JORC compliant and QP signed, indicating high reporting standards.
Negative factors
- Reserve is unchanged from prior reporting, indicating low novelty.
Evidence · table
“2”
Context: 44
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The reserve is classified as Probable, indicating reasonable economic viability.
Evidence · table
“Probable Ore Reserve”
Context: 44
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.