AEU: Muntanga East Metallurgical Testwork
Original announcement by asx on
- Company
- Atomic Eagle Limited
- Ticker
- AEU
- Exchange
- ASX
- Region
- Zambia
- Primary commodity
- Uranium
- Secondary commodities
- None reported
- Document categories
- Metallurgy
- Extracted
- 2026-10-05 23:10:27 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Atomic Eagle has announced successful metallurgical testwork for the Muntanga East uranium deposit in Zambia. The results demonstrated strong uranium recoveries of 81-86% using heap leach methods with exceptionally low acid consumption.
Reasoning: The testwork confirms that the Muntanga East deposit is highly amenable to low-cost heap leach processing, which de-risks the metallurgical profile of the new discovery.
Positive factors
- Strong uranium recoveries (81-86%) via heap leach
- Exceptionally low acid consumption (~3 kg/t)
- Rapid leaching kinetics
- Favourable physical characteristics for heap leaching
- Replication of favourable metallurgy on new lower-grade deposit
Facts used in scoring: 4
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Uranium recoveries of 81-86% are strong for heap leach processing.
Evidence · text
“Leach tests achieved uranium recoveries of between ~81% and ~86%”
Heap Leach Routeneutral
Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.
Why it applies: The testwork specifically evaluated suitability for heap leach processing.
Evidence · text
“designed to evaluate uranium extraction performance, acid consumption characteristics and the physical suitability of the material for heap leach processing.”
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: 4. Some facts used in scoring do not have a stored record.
Metallurgical Results (4)
bottle rollMuntanga Uranium Project · uraniumRecovery: 85.9 %Head Grade: 167Head Grade Unit: ppm U3O8View all detailsHide details
Identity
- Project
- Muntanga Uranium Project
- Commodity
- uranium
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- AEU
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- bottle roll leach
- Sample
- ME1 bottle roll composite
Recovery
- Recovery
- 85.9 %
- Recovery Basis
- actual_test
- Head Grade
- 167
- Head Grade Unit
- ppm U3O8
Reagents
- Acid
- 3 kg/t
Lab
- Laboratory
- Mintek
- Consultant
- Dr Stefan Robertson
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-05T00:00:00.000Z
Reasoning: 85.9% recovery is strong for a heap leach route with very low acid consumption.
Positive factors
- High recovery
- Low acid consumption
Evidence · table
“85.9%”
Context: ~3
bottle rollMuntanga Uranium Project · uraniumRecovery: 81.9 %Head Grade: 167Head Grade Unit: ppm U3O8View all detailsHide details
Identity
- Project
- Muntanga Uranium Project
- Commodity
- uranium
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- AEU
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- bottle roll leach
- Sample
- ME2 bottle roll composite
Recovery
- Recovery
- 81.9 %
- Recovery Basis
- actual_test
- Head Grade
- 167
- Head Grade Unit
- ppm U3O8
Reagents
- Acid
- 3 kg/t
Lab
- Laboratory
- Mintek
- Consultant
- Dr Stefan Robertson
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-05T00:00:00.000Z
Reasoning: 81.9% recovery is within the strong band for uranium heap leach.
Positive factors
- Solid recovery
- Low acid consumption
Evidence · table
“81.9%”
Context: ~3
column leachMuntanga Uranium Project · uraniumRecovery: 81 %Head Grade: 167Head Grade Unit: ppm U3O8View all detailsHide details
Identity
- Project
- Muntanga Uranium Project
- Commodity
- uranium
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- AEU
Test Work
- Program Status
- detailed
- Test Type
- column leach
- Processing Route
- column leach
- Sample
- ME1 column leach composite
Recovery
- Recovery
- 81 %
- Recovery Basis
- actual_test
- Head Grade
- 167
- Head Grade Unit
- ppm U3O8
Reagents
- Acid
- 7 kg/t
Lab
- Laboratory
- Mintek
- Consultant
- Dr Stefan Robertson
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-05T00:00:00.000Z
Reasoning: 81% recovery in a column leach is a strong result for heap leach suitability.
Positive factors
- Strong extraction under dynamic conditions
Negative factors
- Higher acid consumption in column vs bottle roll
Evidence · table
“81.0%”
Context: 7.0
Tags used in scoring
Heap Leach Routeneutral
Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.
Why it applies: processing_route matches the heap_leach signal
column leachMuntanga Uranium Project · uraniumRecovery: 80.8 %Head Grade: 167Head Grade Unit: ppm U3O8View all detailsHide details
Identity
- Project
- Muntanga Uranium Project
- Commodity
- uranium
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- AEU
Test Work
- Program Status
- detailed
- Test Type
- column leach
- Processing Route
- column leach
- Sample
- ME2 column leach composite
Recovery
- Recovery
- 80.8 %
- Recovery Basis
- actual_test
- Head Grade
- 167
- Head Grade Unit
- ppm U3O8
Reagents
- Acid
- 7.6 kg/t
Lab
- Laboratory
- Mintek
- Consultant
- Dr Stefan Robertson
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-05T00:00:00.000Z
Reasoning: 80.8% recovery in a column leach is a strong result for heap leach suitability.
Positive factors
- Strong extraction under dynamic conditions
Negative factors
- Higher acid consumption in column vs bottle roll
Evidence · table
“80.8%”
Context: 7.6
Tags used in scoring
Heap Leach Routeneutral
Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.
Why it applies: processing_route matches the heap_leach signal
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.