YAR: Acquisition completed, Arcadia Coal Project, Qld
Original announcement by asx on
- Company
- Yari Resources
- Ticker
- YAR
- Exchange
- ASX
- Region
- Queensland
- Primary commodity
- Coal
- Secondary commodities
- None reported
- Document categories
- Agreement transaction, Resource update
- Extracted
- 2026-10-19 22:46:08 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Yari Resources has completed the acquisition of the Arcadia Coal Project, establishing a combined 504.9Mt JORC coal resource portfolio in Queensland's Bowen Basin. The acquisition, valued at A$714,000 (illustrative), significantly increases total resources by 126.5% and Indicated Resources by 486.6%, with resource growth materially outpacing equity dilution. The company now shifts focus to unlocking value through resource growth, development studies, and strategic opportunities for its expanded portfolio.
Reasoning: Yari Resources has completed the acquisition of the Arcadia Coal Project, significantly expanding its Queensland coal resource portfolio to over 500Mt, with resource growth materially outpacing equity dilution.
Positive factors
- Acquisition of Arcadia Coal Project completed
- Significant increase in total coal resources (126.5%)
- Substantial growth in Indicated Resources (486.6%)
- Resource growth materially outpaced equity dilution
- Strategic consolidation in the Bowen Basin
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 29
Classification and evidence
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The document explicitly states that the coal resources are reported under JORC Code (2012).
Evidence · text
“Yari’s reported JORC Coal Resources to 504.9Mt”
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: Mr Mark Biggs is named as a Competent Person who has approved the statement as a whole, and the original Arcadia resource was prepared by JB Mining Services Pty Ltd.
Evidence · text
“Mr Biggs has approved the Statement as a whole and consents to its inclusion in this report in the form and context in which it appears.”
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: Total resources increased by 126.5% and Indicated Resources increased by 486.6% due to the acquisition.
Evidence · text
“total resources increase 126.5% and Indicated Resources increase 486.6%”
Category Upgradepositive
Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.
Why it applies: Indicated Resources increased by 486.6%, significantly improving the confidence level of the overall resource portfolio.
Evidence · text
“Indicated Resources increase 486.6%”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document announces an expanded resource base for the company following an acquisition, combining existing estimates.
Evidence · text
“Expanded resource base and growth assessment”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: A significant portion of the combined resource, 307.2Mt, is classified as Inferred, which is a speculative category.
Evidence · text
“comprising 197.7Mt Indicated and 307.2Mt Inferred Resources”
Extracted facts
Stored fact records: 28. Some facts used in scoring do not have a stored record.
Resource Estimates (28)
indicatedCombined Yari Coal Portfolio · coalTonnes: 197700000View all detailsHide details
Identity
- Project
- Combined Yari Coal Portfolio
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:cadd38d29dfdd155e76f
Resource Data
- Category
- indicated
- Tonnes
- 197700000
Prior Estimate
- Prior Tonnes
- 33700000
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The combined portfolio now includes 197.7Mt of Indicated Coal Resources, representing a substantial increase and improved confidence in the resource base.
Positive factors
- Significant increase in Indicated Resources (486.6%)
- High confidence category
- Materially de-risks the project
Evidence · text
“comprising 197.7Mt Indicated and 307.2Mt Inferred Resources in world-class Bowen Basin”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: 197700000 against 33700000 previously
inferredCombined Yari Coal Portfolio · coalTonnes: 307200000View all detailsHide details
Identity
- Project
- Combined Yari Coal Portfolio
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:2a8d13bd9390eb1cda95
Resource Data
- Category
- inferred
- Tonnes
- 307200000
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The combined portfolio includes 307.2Mt of Inferred Coal Resources, contributing to the overall resource scale but representing a lower confidence category.
Positive factors
- Significant overall resource growth
- Establishes future exploration potential
Negative factors
- Lower confidence category
Evidence · text
“comprising 197.7Mt Indicated and 307.2Mt Inferred Resources in world-class Bowen Basin”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
indicatedArcadia Coal Project · coalTonnes: 164000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:c2b16bd03945c2f5a94d
Resource Data
- Category
- indicated
- Tonnes
- 164000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Arcadia Coal Project contributes 164.0Mt of Indicated Resources to the combined portfolio, significantly boosting the company's higher-confidence resource base.
Positive factors
- Large Indicated resource contribution from Arcadia
- High confidence category
Evidence · text
“Arcadia contributes 282.0Mt of reported Coal Resources, including 164.0Mt Indicated and 118.0Mt Inferred Resources.”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
inferredArcadia Coal Project · coalTonnes: 118000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:a1692f735c13033758d0
Resource Data
- Category
- inferred
- Tonnes
- 118000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Arcadia Coal Project contributes 118.0Mt of Inferred Resources, adding substantial tonnage but requiring further definition.
Positive factors
- Adds significant tonnage to the overall resource base
Negative factors
- Lower confidence category
Evidence · text
“Arcadia contributes 282.0Mt of reported Coal Resources, including 164.0Mt Indicated and 118.0Mt Inferred Resources.”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
indicatedArcadia Coal Project · coalTonnes: 47500000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:dd158302c862306c8255
- Deposit or zone
- Aries 1 BU
Resource Data
- Category
- indicated
- Tonnes
- 47500000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Aries 1 BU seam at Arcadia contains 47.5Mt of Indicated Coal Resources, contributing to the project's higher-confidence tonnage.
Positive factors
- Significant Indicated resource for this seam
Evidence · table
“47.5”
Context: 80
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
inferredArcadia Coal Project · coalTonnes: 32000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:7923894181947b6821cb
- Deposit or zone
- Aries 1 BU
Resource Data
- Category
- inferred
- Tonnes
- 32000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Aries 1 BU seam at Arcadia contains 32Mt of Inferred Coal Resources, adding to the project's total but requiring further definition.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“32”
Context: 80
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
indicatedArcadia Coal Project · coalTonnes: 26100000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:49003a5b64d105f14697
- Deposit or zone
- Aries 2 BL
Resource Data
- Category
- indicated
- Tonnes
- 26100000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Aries 2 BL seam at Arcadia contains 26.1Mt of Indicated Coal Resources, contributing to the project's higher-confidence tonnage.
Positive factors
- Good Indicated resource for this seam
Evidence · table
“26.1”
Context: 45
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
inferredArcadia Coal Project · coalTonnes: 19000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:e0de2101b1ab5e916071
- Deposit or zone
- Aries 2 BL
Resource Data
- Category
- inferred
- Tonnes
- 19000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Aries 2 BL seam at Arcadia contains 19Mt of Inferred Coal Resources, adding to the project's total but requiring further definition.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“19”
Context: 45
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
indicatedArcadia Coal Project · coalTonnes: 8900000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:89f3c48030b39349cf38
- Deposit or zone
- Castor 1 CU
Resource Data
- Category
- indicated
- Tonnes
- 8900000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Castor 1 CU seam at Arcadia contains 8.9Mt of Indicated Coal Resources, contributing to the project's higher-confidence tonnage.
Positive factors
- Adds to Indicated resource for this seam
Evidence · table
“8.9”
Context: 16
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
inferredArcadia Coal Project · coalTonnes: 7000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:78eefd437dba6e077c8b
- Deposit or zone
- Castor 1 CU
Resource Data
- Category
- inferred
- Tonnes
- 7000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Castor 1 CU seam at Arcadia contains 7Mt of Inferred Coal Resources, adding to the project's total but requiring further definition.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“7”
Context: 16
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
indicatedArcadia Coal Project · coalTonnes: 23100000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:7c68a448d27dc16dbcdc
- Deposit or zone
- Castor 2 CL
Resource Data
- Category
- indicated
- Tonnes
- 23100000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Castor 2 CL seam at Arcadia contains 23.1Mt of Indicated Coal Resources, contributing to the project's higher-confidence tonnage.
Positive factors
- Good Indicated resource for this seam
Evidence · table
“23.1”
Context: 40
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
inferredArcadia Coal Project · coalTonnes: 17000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:13284d0d91a945a5be2c
- Deposit or zone
- Castor 2 CL
Resource Data
- Category
- inferred
- Tonnes
- 17000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Castor 2 CL seam at Arcadia contains 17Mt of Inferred Coal Resources, adding to the project's total but requiring further definition.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“17”
Context: 40
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
indicatedArcadia Coal Project · coalTonnes: 17100000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:31df2f96a4e9de9016d4
- Deposit or zone
- Pollux 1 DU
Resource Data
- Category
- indicated
- Tonnes
- 17100000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Pollux 1 DU seam at Arcadia contains 17.1Mt of Indicated Coal Resources, contributing to the project's higher-confidence tonnage.
Positive factors
- Adds to Indicated resource for this seam
Evidence · table
“17.1”
Context: 30
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
inferredArcadia Coal Project · coalTonnes: 13000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:85c77767ad28525d0537
- Deposit or zone
- Pollux 1 DU
Resource Data
- Category
- inferred
- Tonnes
- 13000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Pollux 1 DU seam at Arcadia contains 13Mt of Inferred Coal Resources, adding to the project's total but requiring further definition.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“13”
Context: 30
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
indicatedArcadia Coal Project · coalTonnes: 41400000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:e25bb458a6b9579b147d
- Deposit or zone
- Pollux 2 DL
Resource Data
- Category
- indicated
- Tonnes
- 41400000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Pollux 2 DL seam at Arcadia contains 41.4Mt of Indicated Coal Resources, contributing to the project's higher-confidence tonnage.
Positive factors
- Significant Indicated resource for this seam
Evidence · table
“41.4”
Context: 71
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
inferredArcadia Coal Project · coalTonnes: 30000000View all detailsHide details
Identity
- Project
- Arcadia Coal Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:f66cd1d31030c0bf91e1
- Deposit or zone
- Pollux 2 DL
Resource Data
- Category
- inferred
- Tonnes
- 30000000
Prior Estimate
- Resource Date
- 2017-02-01
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Pollux 2 DL seam at Arcadia contains 30Mt of Inferred Coal Resources, adding to the project's total but requiring further definition.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“30”
Context: 71
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 9.7 years before this release
indicatedRolleston South Project · coalTonnes: 33700000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:f713ff3a373d1000b0ee
Resource Data
- Category
- indicated
- Tonnes
- 33700000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Rolleston South Project contributes 33.7Mt of Indicated Coal Resources to the combined portfolio, providing a solid base of higher-confidence tonnage.
Positive factors
- Contribution of Indicated resources to the portfolio
- High confidence category
Evidence · text
“Rolleston South contributes 222.9Mt, including 33.7Mt Indicated and 189.2Mt Inferred Resources.”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
inferredRolleston South Project · coalTonnes: 189200000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:12436effd92cfd0c3567
Resource Data
- Category
- inferred
- Tonnes
- 189200000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Rolleston South Project contributes 189.2Mt of Inferred Coal Resources, adding substantial tonnage to the combined portfolio but requiring further definition.
Positive factors
- Significant tonnage contribution to the overall resource base
Negative factors
- Lower confidence category
Evidence · text
“Rolleston South contributes 222.9Mt, including 33.7Mt Indicated and 189.2Mt Inferred Resources.”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
indicatedRolleston South Project · coalTonnes: 5890000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:1b7fc46d877d877aa1a7
- Deposit or zone
- Bandanna A (EPC 2327)
Resource Data
- Category
- indicated
- Tonnes
- 5890000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna A seam (EPC 2327) at Rolleston South contains 5.89Mt of Indicated Coal Resources.
Positive factors
- Adds to Indicated resource for this seam
Evidence · table
“5.89”
Context: 33.74
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
indicatedRolleston South Project · coalTonnes: 8610000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:6a28032afde713ad9a17
- Deposit or zone
- Bandanna B (EPC 2327)
Resource Data
- Category
- indicated
- Tonnes
- 8610000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna B seam (EPC 2327) at Rolleston South contains 8.61Mt of Indicated Coal Resources.
Positive factors
- Adds to Indicated resource for this seam
Evidence · table
“8.61”
Context: 33.74
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
indicatedRolleston South Project · coalTonnes: 5680000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:f294463eec50079db32f
- Deposit or zone
- Bandanna C (EPC 2327)
Resource Data
- Category
- indicated
- Tonnes
- 5680000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna C seam (EPC 2327) at Rolleston South contains 5.68Mt of Indicated Coal Resources.
Positive factors
- Adds to Indicated resource for this seam
Evidence · table
“5.68”
Context: 33.74
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
indicatedRolleston South Project · coalTonnes: 13560000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:95907af740b28fabe687
- Deposit or zone
- Bandanna D (EPC 2327)
Resource Data
- Category
- indicated
- Tonnes
- 13560000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna D seam (EPC 2327) at Rolleston South contains 13.56Mt of Indicated Coal Resources.
Positive factors
- Adds to Indicated resource for this seam
Evidence · table
“13.56”
Context: 33.74
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
inferredRolleston South Project · coalTonnes: 5200000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:afd6620c4f4288887e10
- Deposit or zone
- Bandanna A (EPC 2318)
Resource Data
- Category
- inferred
- Tonnes
- 5200000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna A seam (EPC 2318) at Rolleston South contains 5.2Mt of Inferred Coal Resources.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“5.2”
Context: 189.2
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
inferredRolleston South Project · coalTonnes: 12200000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:12e88a85d4c46874a2df
- Deposit or zone
- Bandanna B (EPC 2318)
Resource Data
- Category
- inferred
- Tonnes
- 12200000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna B seam (EPC 2318) at Rolleston South contains 12.2Mt of Inferred Coal Resources.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“12.2”
Context: 189.2
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
inferredRolleston South Project · coalTonnes: 15900000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:ca25ab86345e129848d5
- Deposit or zone
- Bandanna D (EPC 2318)
Resource Data
- Category
- inferred
- Tonnes
- 15900000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna D seam (EPC 2318) at Rolleston South contains 15.9Mt of Inferred Coal Resources.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“15.9”
Context: 189.2
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
inferredRolleston South Project · coalTonnes: 30500000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:1f54e348976a260ba01a
- Deposit or zone
- Bandanna A (EPC 2327)
Resource Data
- Category
- inferred
- Tonnes
- 30500000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna A seam (EPC 2327) at Rolleston South contains 30.5Mt of Inferred Coal Resources.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“30.5”
Context: 189.2
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
inferredRolleston South Project · coalTonnes: 54900000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:af338c778f59f93963b7
- Deposit or zone
- Bandanna B (EPC 2327)
Resource Data
- Category
- inferred
- Tonnes
- 54900000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna B seam (EPC 2327) at Rolleston South contains 54.9Mt of Inferred Coal Resources.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“54.9”
Context: 189.2
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
inferredRolleston South Project · coalTonnes: 70500000View all detailsHide details
Identity
- Project
- Rolleston South Project
- Commodity
- coal
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- YAR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Mark Biggs
- Resource group id
- resource:5ad95b776f78c588d12d
- Deposit or zone
- Bandanna D (EPC 2327)
Resource Data
- Category
- inferred
- Tonnes
- 70500000
Prior Estimate
- Resource Date
- 2026-02-02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-19T00:00:00.000Z
Reasoning: The Bandanna D seam (EPC 2327) at Rolleston South contains 70.5Mt of Inferred Coal Resources.
Positive factors
- Adds to overall resource base for this seam
Negative factors
- Lower confidence category
Evidence · table
“70.5”
Context: 189.2
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
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.