Quarterly Activities/Appendix 5B Cash Flow Report 11 pages 579.0KB
Original announcement by asx on
- Company
- Aurora Energy Metals Limited
- Ticker
- 1AE
- Exchange
- ASX
- Region
- Oregon, USA
- Primary commodity
- Uranium
- Secondary commodities
- None reported
- Document categories
- Metallurgy, Resource update, Other
- Extracted
- 2026-10-01 04:40:38 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Aurora Energy Metals Limited reported strong metallurgical optimization results for its Aurora Uranium Project, confirming 82-86% uranium recoveries under optimized conditions. The program significantly reduced acid consumption and leach duration, simplified the flowsheet, and demonstrated solution recycling, leading to improved project economics. The company also provided an update on Eagle Energy Metals Corp.'s Nasdaq listing progress and restated its JORC-compliant uranium resource estimate from 2022, which totals 50.6 Mlbs U3O8.
Reasoning: The report highlights significant metallurgical optimization results for uranium, achieving high recoveries (82-86%) with reduced acid consumption and leach times, simplifying the flowsheet, and demonstrating solution recycling. This represents a material improvement in project economics. The resource update is a restatement of a prior JORC-compliant estimate from 2022, which is positive for its quality but low in novelty.
Positive factors
- High Recovery
- Recovery Improving
- Pilot Scale Complete
- Multi-Domain Tested
- QP/CP Signed
- JORC Compliant
Negative factors
- Stale Estimate
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 21
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: The metallurgical optimization confirmed consistent uranium recoveries of 82 to 86 percent under optimized conditions, which is strong for a leach process.
Evidence · text
“consistent recoveries of 82 to 86 percent under optimised conditions”
Recovery Improvingpositive
Recovery improved versus a like-for-like prior test program on the same domain and route.
Why it applies: The program demonstrated that initial acid addition could be reduced from more than 600 kg/t to 240-250 kg/t, and leach duration reduced from 24 hours to 12 hours, indicating significant process optimization and improvement.
Evidence · text
“initial acid addition could be reduced from more than 600 kilograms per tonne in 2024 to approximately 240 to 250 kilograms per tonne. As a result, overall acid consumption was reduced to about 70 to 90 kilograms per tonne. This step change in acid demand directly translates into lower operating costs. Ferric sulphate was found to be unnecessary to maintain high recoveries, removing this reagent from the flowsheet. Leach duration was also reduced from 24 hours to approximately 12 hours, which lowers capital intensity and improves process efficiency.”
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: The test work confirmed that clay and middlings can be processed together without compromising recoveries, indicating variability across ore domains has been addressed.
Evidence · text
“The test work confirmed that clay and middlings can be processed together without compromising recoveries. Combined treatment removes the need for separate processing streams and simplifies the flowsheet, further reducing both capital and operating costs.”
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 metallurgical results are based on information compiled by Mr. Warren Hallam, a director of Aurora Energy Metals Limited and a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM), who qualifies as a Competent Person.
Evidence · text
“Information in this announcement relating to Metallurgical Results is based on information compiled by Mr. Warren Hallam, BSc (Metallurgy), a director of Aurora Energy Metals Limited, who is a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM) Mr. Hallam has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he has undertaken to qualify as a Competent Person under the 2012 Edition of the ‘Australasian Code for reporting of Exploration Results, Mineral Resources and Ore Reserves’. Mr. Hallam consents to the inclusion in the announcement of the matters based on the information made available to him, in the form and context in which it appears.”
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The Mineral Resource for the AUP was first reported in a JORC-compliant announcement on 23 November 2022, and the company confirms it remains JORC compliant.
Evidence · text
“The Mineral Resource for the AUP was first reported by Aurora in its announcement titled ‘Uranium Resource Up 34% to 50.6Mlb, Maiden Measured Resource’ on 23 November 2022. Aurora Energy Metals Limited confirms that it is not aware of any new information or data that materially affects the information included in the original announcement and that all material assumptions and technical parameters underpinning the Mineral Resource continue to apply and have not materially changed.”
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: The resource estimate is a restatement of an estimate first reported on 23 November 2022, making it nearly three years old by the announcement date of October 2025.
Evidence · text
“The Mineral Resource for the AUP was first reported by Aurora in its announcement titled ‘Uranium Resource Up 34% to 50.6Mlb, Maiden Measured Resource’ on 23 November 2022.”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document provides an update on the company's existing mineral resource estimate for the Aurora Uranium Project, restating the figures from a prior announcement.
Evidence · text
“Aurora Uranium Project (AUP) in southeast Oregon; the USA’s largest mineable, measured and indicated uranium deposit (MRE totals 107.3 Mt @ 214 ppm U3O8 for 50.6 Mlbs U3O8, including a Measured Mineral Resource of 59.5 Mt @ 251 ppm U3O8 for 32.9 Mlb U3O8, Indicated of 21.4 Mt @ 184 ppm U3O8 for 8.7 Mlb U3O8 and Inferred of 26.4 Mt @ 157 ppm U3O8 for 9.1 Mlb U3O8).”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The metallurgical test work describes a leach method, which is characteristic of a mill processing route for uranium.
Evidence · text
“Final metallurgy optimisation completed, confirming consistent recoveries of 82 to 86 percent under optimised conditions, including the ability to simplify the project flowsheet.”
Extracted facts
Stored fact records: 21. Some facts used in scoring do not have a stored record.
Resource Estimates (3)
measuredAurora Uranium Project · uraniumTonnes: 59500000Grade: 251Grade Unit: ppm U3O8Contained Metal: 32.9Contained Unit: mlb u3o8Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr. Lauritz Barnes
- Resource group id
- resource:1f2c0e5918d338168f17
Resource Data
- Category
- measured
- Tonnes
- 59500000
- Grade
- 251
- Grade Unit
- ppm U3O8
- Contained Metal
- 32.9
- Contained Unit
- mlb u3o8
Prior Estimate
- Resource Date
- 2022-11-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-11-23T00:00:00.000Z
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This is a restatement of a significant Measured Resource for uranium, indicating high confidence in the estimate, though it is not new information.
Positive factors
- Measured Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · text
“Measured Mineral Resource of 59.5 Mt @ 251 ppm U3O8 for 32.9 Mlb U3O8”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.9 years before this release
indicatedAurora Uranium Project · uraniumTonnes: 21400000Grade: 184Grade Unit: ppm U3O8Contained Metal: 8.7Contained Unit: mlb u3o8Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr. Lauritz Barnes
- Resource group id
- resource:1daded9f94dc67a1830e
Resource Data
- Category
- indicated
- Tonnes
- 21400000
- Grade
- 184
- Grade Unit
- ppm U3O8
- Contained Metal
- 8.7
- Contained Unit
- mlb u3o8
Prior Estimate
- Resource Date
- 2022-11-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-11-23T00:00:00.000Z
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This is a restatement of a significant Indicated Resource for uranium, indicating reasonable confidence in the estimate, though it is not new information.
Positive factors
- Indicated Resource
- JORC Compliant
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · text
“Indicated of 21.4 Mt @ 184 ppm U3O8 for 8.7 Mlb U3O8”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.9 years before this release
inferredAurora Uranium Project · uraniumTonnes: 26400000Grade: 157Grade Unit: ppm U3O8Contained Metal: 9.1Contained Unit: mlb u3o8Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr. Lauritz Barnes
- Resource group id
- resource:ce420888bc7204b76579
Resource Data
- Category
- inferred
- Tonnes
- 26400000
- Grade
- 157
- Grade Unit
- ppm U3O8
- Contained Metal
- 9.1
- Contained Unit
- mlb u3o8
Prior Estimate
- Resource Date
- 2022-11-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-11-23T00:00:00.000Z
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This is a restatement of an Inferred Resource for uranium, indicating lower confidence in the estimate, and it is not new information.
Positive factors
- JORC Compliant
- QP/CP Signed
Negative factors
- Inferred Resource
- Stale Estimate
Evidence · text
“Inferred of 26.4 Mt @ 157 ppm U3O8 for 9.1 Mlb U3O8”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.9 years before this release
Metallurgical Results (18)
atmospheric leachAurora Uranium Project · uraniumRecovery: 72 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 600 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 72 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 51 kg/t
- Reagent Notes
- Initial Acid Addition: 150 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test result shows a moderate recovery for middlings material, with a relatively low acid consumption, but is superseded by later optimization results.
Evidence · table
“72”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 66 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 300 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 66 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 61 kg/t
- Reagent Notes
- Initial Acid Addition: 150 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test result shows a moderate recovery for middlings material at a finer grind, but is superseded by later optimization results.
Evidence · table
“66”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 70 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 150 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 70 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 54 kg/t
- Reagent Notes
- Initial Acid Addition: 150 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test result shows a moderate recovery for middlings material at a finer grind, but is superseded by later optimization results.
Evidence · table
“70”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 75 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 600 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 75 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 27 kg/t
- Reagent Notes
- Initial Acid Addition: 150 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test result shows a good recovery for middlings material with low acid consumption, but is superseded by later optimization results.
Evidence · table
“75”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 89 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 600 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 89 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 133 kg/t
- Reagent Notes
- Initial Acid Addition: 630 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a strong recovery for middlings, indicating good metallurgical performance under specific conditions.
Positive factors
- High Recovery
Evidence · table
“89”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 90 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 600 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 90 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 142 kg/t
- Reagent Notes
- Initial Acid Addition: 630 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a strong recovery for middlings, indicating good metallurgical performance under specific conditions.
Positive factors
- High Recovery
Evidence · table
“90”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 77 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 600 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 77 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 69 kg/t
- Reagent Notes
- Initial Acid Addition: 150 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a moderate recovery for middlings with reduced leach time, indicating potential for process efficiency improvements.
Evidence · table
“77”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 93 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 600 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 93 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 43 kg/t
- Reagent Notes
- Initial Acid Addition: 400 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows an excellent recovery for middlings with significantly reduced leach time and moderate acid consumption, indicating strong optimization potential.
Positive factors
- High Recovery
- Recovery Improving
Evidence · table
“93”
Context: Middlings Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 89 %Head Grade: 381Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Middlings Only
- Grind P80
- 600 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 89 %
- Recovery Basis
- actual_test
- Head Grade
- 381
- Head Grade Unit
- ppm
Reagents
- Acid
- 33 kg/t
- Reagent Notes
- Initial Acid Addition: 250 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a strong recovery for middlings with reduced leach time and very low acid consumption, indicating strong optimization potential.
Positive factors
- High Recovery
- Recovery Improving
Evidence · table
“89”
Context: Middlings Only
pressure leachAurora Uranium Project · uraniumRecovery: 45 %Head Grade: 350Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- pressure leach
- Processing Route
- pressure leach
- Sample
- Clay Only
- Grind P80
- 38 µm
- Leach Time
- 2 hours
Recovery
- Recovery
- 45 %
- Recovery Basis
- actual_test
- Head Grade
- 350
- Head Grade Unit
- ppm
Reagents
- Acid
- 44 kg/t
- Reagent Notes
- Initial Acid Addition: 150 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a low recovery for clay material under pressure leach conditions, indicating challenges with this material type or process.
Negative factors
- Low Recovery
Evidence · table
“45”
Context: Clay Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 88 %Head Grade: 350Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Clay Only
- Grind P80
- 38 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 88 %
- Recovery Basis
- actual_test
- Head Grade
- 350
- Head Grade Unit
- ppm
Reagents
- Acid
- -17 kg/t
- Reagent Notes
- Initial Acid Addition: 150 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a strong recovery for clay material under atmospheric leach conditions, indicating good metallurgical performance.
Positive factors
- High Recovery
Evidence · table
“88”
Context: Clay Only
pressure leachAurora Uranium Project · uraniumRecovery: 85 %Head Grade: 350Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- pressure leach
- Processing Route
- pressure leach
- Sample
- Clay Only
- Grind P80
- 38 µm
- Leach Time
- 2 hours
Recovery
- Recovery
- 85 %
- Recovery Basis
- actual_test
- Head Grade
- 350
- Head Grade Unit
- ppm
Reagents
- Acid
- 125 kg/t
- Reagent Notes
- Initial Acid Addition: 630 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a strong recovery for clay material under pressure leach conditions, indicating good metallurgical performance.
Positive factors
- High Recovery
Evidence · table
“85”
Context: Clay Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 90 %Head Grade: 350Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Clay Only
- Grind P80
- 38 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 90 %
- Recovery Basis
- actual_test
- Head Grade
- 350
- Head Grade Unit
- ppm
Reagents
- Acid
- 51 kg/t
- Reagent Notes
- Initial Acid Addition: 630 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test shows a strong recovery for clay material under atmospheric leach conditions, indicating good metallurgical performance.
Positive factors
- High Recovery
Evidence · table
“90”
Context: Clay Only
atmospheric leachAurora Uranium Project · uraniumRecovery: 82 %Head Grade: 389Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Combined Middlings & Clay
- Grind P80
- 600 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 82 %
- Recovery Basis
- actual_test
- Head Grade
- 389
- Head Grade Unit
- ppm
Reagents
- Acid
- 84 kg/t
- Reagent Notes
- Initial Acid Addition: 270 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test demonstrates strong recovery for combined middlings and clay, supporting a simplified flowsheet and improved project economics.
Positive factors
- High Recovery
- Multi-Domain Tested
Evidence · table
“82”
Context: Combined Middlings & Clay
atmospheric leachAurora Uranium Project · uraniumRecovery: 86 %Head Grade: 389Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Combined Middlings & Clay
- Grind P80
- 601 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 86 %
- Recovery Basis
- actual_test
- Head Grade
- 389
- Head Grade Unit
- ppm
Reagents
- Acid
- 95 kg/t
- Reagent Notes
- Initial Acid Addition: 240 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test demonstrates strong recovery for combined middlings and clay with optimized acid addition, supporting a simplified flowsheet and improved project economics.
Positive factors
- High Recovery
- Multi-Domain Tested
- Recovery Improving
Evidence · table
“86”
Context: Combined Middlings & Clay
atmospheric leachAurora Uranium Project · uraniumRecovery: 84 %Head Grade: 389Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Combined Middlings & Clay
- Grind P80
- 602 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 84 %
- Recovery Basis
- actual_test
- Head Grade
- 389
- Head Grade Unit
- ppm
Reagents
- Acid
- 64 kg/t
- Reagent Notes
- Initial Acid Addition: 240 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test demonstrates strong recovery for combined middlings and clay with optimized acid addition, supporting a simplified flowsheet and improved project economics.
Positive factors
- High Recovery
- Multi-Domain Tested
Evidence · table
“84”
Context: Combined Middlings & Clay
atmospheric leachAurora Uranium Project · uraniumRecovery: 80 %Head Grade: 389Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Combined Middlings & Clay
- Grind P80
- 603 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 80 %
- Recovery Basis
- actual_test
- Head Grade
- 389
- Head Grade Unit
- ppm
Reagents
- Acid
- 66 kg/t
- Reagent Notes
- Initial Acid Addition: 240 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test demonstrates good recovery for combined middlings and clay with optimized acid addition, supporting a simplified flowsheet and improved project economics.
Positive factors
- Multi-Domain Tested
Evidence · table
“80”
Context: Combined Middlings & Clay
atmospheric leachAurora Uranium Project · uraniumRecovery: 83 %Head Grade: 389Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Aurora Uranium Project
- Commodity
- uranium
- Region
- oregon, usa
- Reported Region
- Oregon, USA
- Ticker
- 1AE
Test Work
- Program Status
- optimization
- Test Type
- atmospheric leach
- Processing Route
- leach
- Sample
- Combined Middlings & Clay
- Grind P80
- 604 µm
- Leach Time
- 12 hours
Recovery
- Recovery
- 83 %
- Recovery Basis
- actual_test
- Head Grade
- 389
- Head Grade Unit
- ppm
Reagents
- Acid
- 83 kg/t
- Reagent Notes
- Initial Acid Addition: 239 kg/t
Lab
- Laboratory
- ALS Metallurgy
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-20T00:00:00.000Z
Reasoning: This test demonstrates strong recovery for combined middlings and clay with optimized acid addition, supporting a simplified flowsheet and improved project economics.
Positive factors
- High Recovery
- Multi-Domain Tested
Evidence · table
“83”
Context: Combined Middlings & Clay
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.