VBX: Corporate Presentation - October 2026
Original announcement by asx on
- Company
- VBX Limited
- Ticker
- VBX
- Exchange
- ASX
- Region
- Western Australia
- Primary commodity
- Aluminium oxide
- Secondary commodities
- Silicon dioxide, Iron ore, Loss on ignition
- Document categories
- Other, Resource update, Metallurgy
- Extracted
- 2026-10-11 22:28:32 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
VBX Limited released a corporate presentation detailing the advancement of its Wuudagu Bauxite Project in Western Australia. Key highlights include a 108% increase in the Measured and Indicated Mineral Resource to 131.9 Mt and successful metallurgical test work demonstrating improved beneficiation recoveries up to 72.9% while maintaining a high-quality, low-silica product. The company is progressing towards a Definitive Feasibility Study (DFS) completion in Q1 2027, with a clear pathway to first production in 2028.
Reasoning: The company presented a corporate update highlighting a substantial 108% increase in its Measured and Indicated Mineral Resource for the Wuudagu Bauxite Project, alongside successful metallurgical optimization test work showing improved beneficiation recoveries and maintained product quality, positioning the project for future development.
Positive factors
- Significant increase in Measured and Indicated (M&I) Mineral Resource by 108% to 131.9 Mt.
- Improved beneficiation mass recoveries achieved in DFS test work, reaching up to 72.9% at a +3.35mm screen size.
- Maintained attractive low silica product grade (3.2% SiO2 at highest recovery).
- Strong Preliminary Feasibility Study (PFS) results demonstrating a pre-tax IRR of 136% and NPV of A$821M.
- Clear pathway to project approvals in 2027 and first production in 2028.
Negative factors
- Delivery of the Definitive Feasibility Study (DFS) has been extended to Q1 2027.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 66
Classification and evidence
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The resource estimate is explicitly stated as 'JORC (2012) Mineral Resource Estimate' on page 21.
Evidence · text
“JORC (2012) Mineral Resource Estimate”
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: The compliance statement confirms that 'the form and context in which the Competent Person’s findings that are presented have not been materially modified' for both the Mineral Resource and Ore Reserve estimates.
Evidence · text
“The Company confirms that the form and context in which the Competent Person’s findings that are presented have not been materially modified.”
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: The resource table on page 21 includes a 'Measured' category with 41.9 Mt at 39.8% Al2O3.
Evidence · table
“Measured”
Context: 41.9
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The resource table on page 21 includes an 'Indicated' category with 90.0 Mt at 40.5% Al2O3.
Evidence · table
“Indicated”
Context: 90.0
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource table on page 21 includes an 'Inferred' category with 11.3 Mt at 36.7% Al2O3.
Evidence · table
“Inferred”
Context: 11.3
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: The summary states '108% increase in M&I Resource from 2025 drilling program'.
Evidence · text
“108% increase in M&I Resource from 2025 drilling program”
Contained Metal Growthpositive
True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.
Why it applies: The summary states '108% increase in M&I Resource from 2025 drilling program', and grades are maintained, implying a proportional increase in contained metal.
Evidence · text
“108% increase in M&I Resource from 2025 drilling program”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The resource table explicitly states 'Based on a 22.5% SiO2 upper cut-off grade'.
Evidence · text
“Based on a 22.5% SiO2 upper cut-off grade”
Recovery Improvingpositive
Recovery improved versus a like-for-like prior test program on the same domain and route.
Why it applies: Mass recovery improved from 59.5% (PFS 2025) to 72.9% (DFS Test Work) at +3.35mm screen size.
Evidence · table
“72.9”
Context: 55% Solids / 2.0 Min
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The metallurgical test work involves 'scrubbing and screening parameters' for beneficiation, which is a mill-based processing route.
Evidence · text
“optimise scrubbing and screening parameters”
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 2 distinct composites were tested
Extracted facts
Stored fact records: 66. Some facts used in scoring do not have a stored record.
Resource Estimates (60)
measuredWuudagu Bauxite Project · aluminium_oxideTonnes: 14100000Grade: 39.5Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:43ce7911a55dc33d3437
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- measured
- Tonnes
- 14100000
- Grade
- 39.5
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Measured resource for Wuudagu B contributes to the overall high-confidence resource base with a good grade.
Positive factors
- High confidence Measured category.
- Good grade for bauxite.
Evidence · table
“39.5”
Context: 14.1
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · silicon_dioxideTonnes: 14100000Grade: 13Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:43ce7911a55dc33d3437
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- measured
- Tonnes
- 14100000
- Grade
- 13
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Measured resource for Wuudagu B includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“13.0”
Context: 14.1
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · iron_oreTonnes: 14100000Grade: 22.8Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:43ce7911a55dc33d3437
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- measured
- Tonnes
- 14100000
- Grade
- 22.8
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Measured resource for Wuudagu B includes iron content, which is a common component in bauxite deposits.
Evidence · table
“22.8”
Context: 14.1
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · loss_on_ignitionTonnes: 14100000Grade: 19.9Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:43ce7911a55dc33d3437
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- measured
- Tonnes
- 14100000
- Grade
- 19.9
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Measured resource for Wuudagu B includes a typical loss on ignition value for bauxite.
Evidence · table
“19.9”
Context: 14.1
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · aluminium_oxideTonnes: 27800000Grade: 39.9Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a42cd83a511b76c35d07
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- measured
- Tonnes
- 27800000
- Grade
- 39.9
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Measured resource for Wuudagu C contributes significantly to the overall high-confidence resource base with a good grade.
Positive factors
- High confidence Measured category.
- Good grade for bauxite.
Evidence · table
“39.9”
Context: 27.8
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · silicon_dioxideTonnes: 27800000Grade: 12.5Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a42cd83a511b76c35d07
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- measured
- Tonnes
- 27800000
- Grade
- 12.5
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Measured resource for Wuudagu C includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“12.5”
Context: 27.8
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · iron_oreTonnes: 27800000Grade: 23.3Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a42cd83a511b76c35d07
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- measured
- Tonnes
- 27800000
- Grade
- 23.3
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Measured resource for Wuudagu C includes iron content, which is a common component in bauxite deposits.
Evidence · table
“23.3”
Context: 27.8
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · loss_on_ignitionTonnes: 27800000Grade: 19.8Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a42cd83a511b76c35d07
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- measured
- Tonnes
- 27800000
- Grade
- 19.8
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Measured resource for Wuudagu C includes a typical loss on ignition value for bauxite.
Evidence · table
“19.8”
Context: 27.8
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · aluminium_oxideTonnes: 41900000Grade: 39.8Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:61083be1e3c58d182005
- Deposit or zone
- Sub-Total
Resource Data
- Category
- measured
- Tonnes
- 41900000
- Grade
- 39.8
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Measured resource provides a strong, high-confidence foundation for the project with a good average grade.
Positive factors
- Large Measured resource base.
- Good grade for bauxite.
Evidence · table
“39.8”
Context: 41.9
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · silicon_dioxideTonnes: 41900000Grade: 12.7Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:61083be1e3c58d182005
- Deposit or zone
- Sub-Total
Resource Data
- Category
- measured
- Tonnes
- 41900000
- Grade
- 12.7
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Measured resource has a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“12.7”
Context: 41.9
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · iron_oreTonnes: 41900000Grade: 23.1Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:61083be1e3c58d182005
- Deposit or zone
- Sub-Total
Resource Data
- Category
- measured
- Tonnes
- 41900000
- Grade
- 23.1
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Measured resource includes iron content, which is a common component in bauxite deposits.
Evidence · table
“23.1”
Context: 41.9
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
measuredWuudagu Bauxite Project · loss_on_ignitionTonnes: 41900000Grade: 19.8Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:61083be1e3c58d182005
- Deposit or zone
- Sub-Total
Resource Data
- Category
- measured
- Tonnes
- 41900000
- Grade
- 19.8
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Measured resource includes a typical loss on ignition value for bauxite.
Evidence · table
“19.8”
Context: 41.9
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 6900000Grade: 39.2Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a4682820492fe13a0ed9
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- indicated
- Tonnes
- 6900000
- Grade
- 39.2
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Indicated resource for Wuudagu B adds to the overall resource base with good confidence and grade.
Positive factors
- Indicated category provides reasonable geological confidence.
- Good grade for bauxite.
Evidence · table
“39.2”
Context: 6.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 6900000Grade: 13.7Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a4682820492fe13a0ed9
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- indicated
- Tonnes
- 6900000
- Grade
- 13.7
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu B includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“13.7”
Context: 6.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 6900000Grade: 22.7Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a4682820492fe13a0ed9
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- indicated
- Tonnes
- 6900000
- Grade
- 22.7
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu B includes iron content, which is a common component in bauxite deposits.
Evidence · table
“22.7”
Context: 6.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 6900000Grade: 19.6Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a4682820492fe13a0ed9
- Deposit or zone
- Wuudagu B
Resource Data
- Category
- indicated
- Tonnes
- 6900000
- Grade
- 19.6
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu B includes a typical loss on ignition value for bauxite.
Evidence · table
“19.6”
Context: 6.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 39400000Grade: 39.4Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:6a4606f299b49ddeeca4
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- indicated
- Tonnes
- 39400000
- Grade
- 39.4
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This large Indicated resource for Wuudagu C significantly contributes to the overall resource base with good confidence and grade.
Positive factors
- Large Indicated resource for Wuudagu C.
- Good grade for bauxite.
Evidence · table
“39.4”
Context: 39.4
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 39400000Grade: 14.9Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:6a4606f299b49ddeeca4
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- indicated
- Tonnes
- 39400000
- Grade
- 14.9
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu C includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“14.9”
Context: 39.4
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 39400000Grade: 21.8Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:6a4606f299b49ddeeca4
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- indicated
- Tonnes
- 39400000
- Grade
- 21.8
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu C includes iron content, which is a common component in bauxite deposits.
Evidence · table
“21.8”
Context: 39.4
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 39400000Grade: 19.6Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:6a4606f299b49ddeeca4
- Deposit or zone
- Wuudagu C
Resource Data
- Category
- indicated
- Tonnes
- 39400000
- Grade
- 19.6
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu C includes a typical loss on ignition value for bauxite.
Evidence · table
“19.6”
Context: 39.4
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 7500000Grade: 39.2Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:fa9fbbdd2c3c090f74b6
- Deposit or zone
- CNN
Resource Data
- Category
- indicated
- Tonnes
- 7500000
- Grade
- 39.2
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Indicated resource for CNN adds to the overall resource base with good confidence and grade.
Positive factors
- Indicated category provides reasonable geological confidence.
- Good grade for bauxite.
Evidence · table
“39.2”
Context: 7.5
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 7500000Grade: 13.3Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:fa9fbbdd2c3c090f74b6
- Deposit or zone
- CNN
Resource Data
- Category
- indicated
- Tonnes
- 7500000
- Grade
- 13.3
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for CNN includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“13.3”
Context: 7.5
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 7500000Grade: 23.4Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:fa9fbbdd2c3c090f74b6
- Deposit or zone
- CNN
Resource Data
- Category
- indicated
- Tonnes
- 7500000
- Grade
- 23.4
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for CNN includes iron content, which is a common component in bauxite deposits.
Evidence · table
“23.4”
Context: 7.5
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 7500000Grade: 19.8Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:fa9fbbdd2c3c090f74b6
- Deposit or zone
- CNN
Resource Data
- Category
- indicated
- Tonnes
- 7500000
- Grade
- 19.8
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for CNN includes a typical loss on ignition value for bauxite.
Evidence · table
“19.8”
Context: 7.5
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 16700000Grade: 42.1Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a8689165f591cf428cf4
- Deposit or zone
- Wuudagu D
Resource Data
- Category
- indicated
- Tonnes
- 16700000
- Grade
- 42.1
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Indicated resource for Wuudagu D shows a higher grade, contributing positively to the overall resource quality.
Positive factors
- Higher grade for bauxite.
- Indicated category provides reasonable geological confidence.
Evidence · table
“42.1”
Context: 16.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 16700000Grade: 9.6Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a8689165f591cf428cf4
- Deposit or zone
- Wuudagu D
Resource Data
- Category
- indicated
- Tonnes
- 16700000
- Grade
- 9.6
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu D has a lower silica content, enhancing its quality.
Positive factors
- Lower silica content, which is beneficial for bauxite quality.
Evidence · table
“9.6”
Context: 16.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 16700000Grade: 22.5Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a8689165f591cf428cf4
- Deposit or zone
- Wuudagu D
Resource Data
- Category
- indicated
- Tonnes
- 16700000
- Grade
- 22.5
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu D includes iron content, which is a common component in bauxite deposits.
Evidence · table
“22.5”
Context: 16.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 16700000Grade: 21Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:a8689165f591cf428cf4
- Deposit or zone
- Wuudagu D
Resource Data
- Category
- indicated
- Tonnes
- 16700000
- Grade
- 21
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu D includes a typical loss on ignition value for bauxite.
Evidence · table
“21.0”
Context: 16.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 6700000Grade: 41.3Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d0b8cf09b7fcc1f8080f
- Deposit or zone
- Wuudagu E
Resource Data
- Category
- indicated
- Tonnes
- 6700000
- Grade
- 41.3
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Indicated resource for Wuudagu E shows a higher grade, contributing positively to the overall resource quality.
Positive factors
- Higher grade for bauxite.
- Indicated category provides reasonable geological confidence.
Evidence · table
“41.3”
Context: 6.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 6700000Grade: 9.5Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d0b8cf09b7fcc1f8080f
- Deposit or zone
- Wuudagu E
Resource Data
- Category
- indicated
- Tonnes
- 6700000
- Grade
- 9.5
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu E has a lower silica content, enhancing its quality.
Positive factors
- Lower silica content, which is beneficial for bauxite quality.
Evidence · table
“9.5”
Context: 6.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 6700000Grade: 23.3Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d0b8cf09b7fcc1f8080f
- Deposit or zone
- Wuudagu E
Resource Data
- Category
- indicated
- Tonnes
- 6700000
- Grade
- 23.3
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu E includes iron content, which is a common component in bauxite deposits.
Evidence · table
“23.3”
Context: 6.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 6700000Grade: 21Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d0b8cf09b7fcc1f8080f
- Deposit or zone
- Wuudagu E
Resource Data
- Category
- indicated
- Tonnes
- 6700000
- Grade
- 21
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu E includes a typical loss on ignition value for bauxite.
Evidence · table
“21.0”
Context: 6.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 12700000Grade: 42.6Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d3a812ef28f312aa73db
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- indicated
- Tonnes
- 12700000
- Grade
- 42.6
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Indicated resource for Wuudagu F shows a higher grade, contributing positively to the overall resource quality.
Positive factors
- Higher grade for bauxite.
- Indicated category provides reasonable geological confidence.
Evidence · table
“42.6”
Context: 12.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 12700000Grade: 9.7Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d3a812ef28f312aa73db
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- indicated
- Tonnes
- 12700000
- Grade
- 9.7
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu F has a lower silica content, enhancing its quality.
Positive factors
- Lower silica content, which is beneficial for bauxite quality.
Evidence · table
“9.7”
Context: 12.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 12700000Grade: 21.2Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d3a812ef28f312aa73db
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- indicated
- Tonnes
- 12700000
- Grade
- 21.2
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu F includes iron content, which is a common component in bauxite deposits.
Evidence · table
“21.2”
Context: 12.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 12700000Grade: 21.6Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d3a812ef28f312aa73db
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- indicated
- Tonnes
- 12700000
- Grade
- 21.6
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Indicated resource for Wuudagu F includes a typical loss on ignition value for bauxite.
Evidence · table
“21.6”
Context: 12.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 90000000Grade: 40.5Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:52e5dc5aff122c73919d
- Deposit or zone
- Sub-Total
Resource Data
- Category
- indicated
- Tonnes
- 90000000
- Grade
- 40.5
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Indicated resource provides a substantial base for the project with good confidence and grade.
Positive factors
- Large Indicated resource base.
- Good grade for bauxite.
Evidence · table
“40.5”
Context: 90.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 90000000Grade: 12.5Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:52e5dc5aff122c73919d
- Deposit or zone
- Sub-Total
Resource Data
- Category
- indicated
- Tonnes
- 90000000
- Grade
- 12.5
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Indicated resource has a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“12.5”
Context: 90.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 90000000Grade: 22.2Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:52e5dc5aff122c73919d
- Deposit or zone
- Sub-Total
Resource Data
- Category
- indicated
- Tonnes
- 90000000
- Grade
- 22.2
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Indicated resource includes iron content, which is a common component in bauxite deposits.
Evidence · table
“22.2”
Context: 90.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 90000000Grade: 20.3Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:52e5dc5aff122c73919d
- Deposit or zone
- Sub-Total
Resource Data
- Category
- indicated
- Tonnes
- 90000000
- Grade
- 20.3
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Indicated resource includes a typical loss on ignition value for bauxite.
Evidence · table
“20.3”
Context: 90.0
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · aluminium_oxideTonnes: 131900000Grade: 40.2Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d6fe7b9430b91473718f
- Deposit or zone
- Total
Resource Data
- Category
- indicated
- Tonnes
- 131900000
- Grade
- 40.2
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The combined Measured and Indicated resource represents a very substantial and high-confidence resource base for the project, with a significant increase from prior estimates.
Positive factors
- Very large Measured & Indicated resource base (131.9 Mt).
- Good average grade for bauxite.
- 108% increase in M&I Resource from 2025 drilling program.
Evidence · table
“40.2”
Context: 131.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · silicon_dioxideTonnes: 131900000Grade: 12.6Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d6fe7b9430b91473718f
- Deposit or zone
- Total
Resource Data
- Category
- indicated
- Tonnes
- 131900000
- Grade
- 12.6
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The combined Measured and Indicated resource has a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“12.6”
Context: 131.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · iron_oreTonnes: 131900000Grade: 22.5Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d6fe7b9430b91473718f
- Deposit or zone
- Total
Resource Data
- Category
- indicated
- Tonnes
- 131900000
- Grade
- 22.5
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The combined Measured and Indicated resource includes iron content, which is a common component in bauxite deposits.
Evidence · table
“22.5”
Context: 131.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedWuudagu Bauxite Project · loss_on_ignitionTonnes: 131900000Grade: 20.1Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:d6fe7b9430b91473718f
- Deposit or zone
- Total
Resource Data
- Category
- indicated
- Tonnes
- 131900000
- Grade
- 20.1
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The combined Measured and Indicated resource includes a typical loss on ignition value for bauxite.
Evidence · table
“20.1”
Context: 131.9
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · aluminium_oxideTonnes: 8400000Grade: 35.9Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:41107c0f0da1482d3dcc
- Deposit or zone
- Wuudagu A
Resource Data
- Category
- inferred
- Tonnes
- 8400000
- Grade
- 35.9
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Inferred resource for Wuudagu A provides potential upside but has lower confidence and grade compared to the higher categories.
Negative factors
- Inferred category has lower geological confidence.
- Lower grade compared to M&I categories.
Evidence · table
“35.9”
Context: 8.4
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · silicon_dioxideTonnes: 8400000Grade: 14.3Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:41107c0f0da1482d3dcc
- Deposit or zone
- Wuudagu A
Resource Data
- Category
- inferred
- Tonnes
- 8400000
- Grade
- 14.3
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for Wuudagu A includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“14.3”
Context: 8.4
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · iron_oreTonnes: 8400000Grade: 28Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:41107c0f0da1482d3dcc
- Deposit or zone
- Wuudagu A
Resource Data
- Category
- inferred
- Tonnes
- 8400000
- Grade
- 28
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for Wuudagu A includes iron content, which is a common component in bauxite deposits.
Evidence · table
“28.0”
Context: 8.4
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · loss_on_ignitionTonnes: 8400000Grade: 17.9Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:41107c0f0da1482d3dcc
- Deposit or zone
- Wuudagu A
Resource Data
- Category
- inferred
- Tonnes
- 8400000
- Grade
- 17.9
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for Wuudagu A includes a typical loss on ignition value for bauxite.
Evidence · table
“17.9”
Context: 8.4
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · aluminium_oxideTonnes: 1100000Grade: 45.1Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:50b3e7d0ff33069044a2
- Deposit or zone
- CN
Resource Data
- Category
- inferred
- Tonnes
- 1100000
- Grade
- 45.1
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Inferred resource for CN shows a higher grade, providing potential upside despite lower confidence.
Positive factors
- Higher grade for bauxite.
Negative factors
- Inferred category has lower geological confidence.
Evidence · table
“45.1”
Context: 1.1
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · silicon_dioxideTonnes: 1100000Grade: 12.1Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:50b3e7d0ff33069044a2
- Deposit or zone
- CN
Resource Data
- Category
- inferred
- Tonnes
- 1100000
- Grade
- 12.1
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for CN includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“12.1”
Context: 1.1
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · iron_oreTonnes: 1100000Grade: 14.6Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:50b3e7d0ff33069044a2
- Deposit or zone
- CN
Resource Data
- Category
- inferred
- Tonnes
- 1100000
- Grade
- 14.6
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for CN includes iron content, which is a common component in bauxite deposits.
Evidence · table
“14.6”
Context: 1.1
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · loss_on_ignitionTonnes: 1100000Grade: 22.9Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:50b3e7d0ff33069044a2
- Deposit or zone
- CN
Resource Data
- Category
- inferred
- Tonnes
- 1100000
- Grade
- 22.9
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for CN includes a typical loss on ignition value for bauxite.
Evidence · table
“22.9”
Context: 1.1
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · aluminium_oxideTonnes: 1800000Grade: 35.2Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:2b5ce6884b66ea6e5c6d
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- inferred
- Tonnes
- 1800000
- Grade
- 35.2
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This Inferred resource for Wuudagu F provides potential upside but has lower confidence and grade compared to the higher categories.
Negative factors
- Inferred category has lower geological confidence.
- Lower grade compared to M&I categories.
Evidence · table
“35.2”
Context: 1.8
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · silicon_dioxideTonnes: 1800000Grade: 12.2Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:2b5ce6884b66ea6e5c6d
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- inferred
- Tonnes
- 1800000
- Grade
- 12.2
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for Wuudagu F includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“12.2”
Context: 1.8
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · iron_oreTonnes: 1800000Grade: 30.4Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:2b5ce6884b66ea6e5c6d
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- inferred
- Tonnes
- 1800000
- Grade
- 30.4
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for Wuudagu F includes iron content, which is a common component in bauxite deposits.
Evidence · table
“30.4”
Context: 1.8
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · loss_on_ignitionTonnes: 1800000Grade: 18Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:2b5ce6884b66ea6e5c6d
- Deposit or zone
- Wuudagu F
Resource Data
- Category
- inferred
- Tonnes
- 1800000
- Grade
- 18
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The Inferred resource for Wuudagu F includes a typical loss on ignition value for bauxite.
Evidence · table
“18.0”
Context: 1.8
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · aluminium_oxideTonnes: 11300000Grade: 36.7Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e565e26274de4511a13d
- Deposit or zone
- Total
Resource Data
- Category
- inferred
- Tonnes
- 11300000
- Grade
- 36.7
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Inferred resource provides potential upside but has lower confidence and average grade compared to the higher categories.
Negative factors
- Inferred category has lower geological confidence.
- Lower average grade compared to M&I categories.
Evidence · table
“36.7”
Context: 11.3
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · silicon_dioxideTonnes: 11300000Grade: 13.7Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e565e26274de4511a13d
- Deposit or zone
- Total
Resource Data
- Category
- inferred
- Tonnes
- 11300000
- Grade
- 13.7
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Inferred resource includes a moderate silica content, which is an important impurity to manage in bauxite processing.
Negative factors
- Silica content is a key impurity in bauxite.
Evidence · table
“13.7”
Context: 11.3
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · iron_oreTonnes: 11300000Grade: 27.1Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e565e26274de4511a13d
- Deposit or zone
- Total
Resource Data
- Category
- inferred
- Tonnes
- 11300000
- Grade
- 27.1
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Inferred resource includes iron content, which is a common component in bauxite deposits.
Evidence · table
“27.1”
Context: 11.3
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredWuudagu Bauxite Project · loss_on_ignitionTonnes: 11300000Grade: 18.4Grade Unit: %View all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- loss_on_ignition
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e565e26274de4511a13d
- Deposit or zone
- Total
Resource Data
- Category
- inferred
- Tonnes
- 11300000
- Grade
- 18.4
- Grade Unit
- %
- Cutoff Grade
- 22.5
- Cutoff Unit
- % SiO2
Prior Estimate
- Resource Date
- 2026-01-20
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: The total Inferred resource includes a typical loss on ignition value for bauxite.
Evidence · table
“18.4”
Context: 11.3
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Metallurgical Results (6)
scrubbing and screeningWuudagu Bauxite Project · aluminium_oxideHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Test Work
- Program Status
- scoping
- Test Type
- scrubbing and screening
- Processing Route
- beneficiation (scrubbing and screening)
- Sample
- PFS (2025) baseline, +3.35mm screen size
Recovery
- Conc. Grade
- 45.4
- Conc. Grade Unit
- %
- Mass Pull
- 59.5 %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This represents the baseline mass recovery and concentrate grade from the 2025 PFS, which has since been improved upon.
Evidence · table
“59.5”
Context: 2025 PFS
scrubbing and screeningWuudagu Bauxite Project · silicon_dioxideHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Test Work
- Program Status
- scoping
- Test Type
- scrubbing and screening
- Processing Route
- beneficiation (scrubbing and screening)
- Sample
- PFS (2025) baseline, +3.35mm screen size
Recovery
- Conc. Grade
- 3.6
- Conc. Grade Unit
- %
- Mass Pull
- 59.5 %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2025-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This represents the baseline silica content in the concentrate from the 2025 PFS, which has since been improved upon.
Evidence · table
“3.6”
Context: PFS (2025)
scrubbing and screeningWuudagu Bauxite Project · aluminium_oxideView all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Test Work
- Program Status
- optimization
- Test Type
- scrubbing and screening
- Processing Route
- beneficiation (scrubbing and screening)
- Sample
- DFS Test Work (55% Solids / 1.5 min Residence Time), +3.35mm screen size
Recovery
- Conc. Grade
- 45.2
- Conc. Grade Unit
- %
- Mass Pull
- 69.7 %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This DFS test work shows a substantial improvement in mass recovery while maintaining a high alumina concentrate grade, indicating successful optimization.
Positive factors
- Significant improvement in mass recovery (from 59.5% to 69.7%).
- Maintained high concentrate grade.
Evidence · table
“69.7”
Context: 55% Solids / 1.5 Min
scrubbing and screeningWuudagu Bauxite Project · silicon_dioxideView all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Test Work
- Program Status
- optimization
- Test Type
- scrubbing and screening
- Processing Route
- beneficiation (scrubbing and screening)
- Sample
- DFS Test Work (55% Solids / 1.5 min Residence Time), +3.35mm screen size
Recovery
- Conc. Grade
- 3.5
- Conc. Grade Unit
- %
- Mass Pull
- 69.7 %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This DFS test work shows successful optimization by maintaining low silica content in the concentrate while significantly improving mass recovery.
Positive factors
- Maintained low silica content in concentrate despite increased mass recovery.
Evidence · table
“3.5”
Context: 55% Solids / 1.5 min Residence Time
scrubbing and screeningWuudagu Bauxite Project · aluminium_oxideView all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- aluminium_oxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Test Work
- Program Status
- optimization
- Test Type
- scrubbing and screening
- Processing Route
- beneficiation (scrubbing and screening)
- Sample
- DFS Test Work (55% Solids / 2.0 min Residence Time), +3.35mm screen size
Recovery
- Conc. Grade
- 45.9
- Conc. Grade Unit
- %
- Mass Pull
- 72.9 %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This DFS test work demonstrates the highest mass recovery achieved with an increased alumina concentrate grade, indicating excellent optimization results.
Positive factors
- Further significant improvement in mass recovery (from 59.5% to 72.9%).
- Increased concentrate grade.
Evidence · table
“72.9”
Context: 55% Solids / 2.0 Min
scrubbing and screeningWuudagu Bauxite Project · silicon_dioxideView all detailsHide details
Identity
- Project
- Wuudagu Bauxite Project
- Commodity
- silicon_dioxide
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- VBX
Test Work
- Program Status
- optimization
- Test Type
- scrubbing and screening
- Processing Route
- beneficiation (scrubbing and screening)
- Sample
- DFS Test Work (55% Solids / 2.0 min Residence Time), +3.35mm screen size
Recovery
- Conc. Grade
- 3.2
- Conc. Grade Unit
- %
- Mass Pull
- 72.9 %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-11T00:00:00.000Z
Reasoning: This DFS test work shows the best overall result with the lowest silica content in the concentrate at the highest mass recovery, indicating excellent optimization.
Positive factors
- Lowest silica content achieved in concentrate at the highest mass recovery.
Evidence · table
“3.2”
Context: 55% Solids / 2.0 min Residence Time
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.