Muntanga East Extends Heap Leach Case With Up to 86% Uranium Recovery

Original announcement by cruxinvestor on

Company
Atomic Eagle Limited
Ticker
AEU
Exchange
Unavailable
Region
Zambia
Primary commodity
Uranium
Secondary commodities
None reported
Document categories
Metallurgy
Extracted
2026-10-06 16:49:21 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Atomic Eagle has completed metallurgical test work on the Muntanga East uranium deposit in Zambia, reporting uranium recoveries between 81% and 86% via bottle roll and column leach tests. The tests demonstrated low acid consumption and favorable physical characteristics for heap leach processing, supporting the economic viability of lower-grade material.

Reasoning: Strong metallurgical results for a heap leach route on a new deposit (Muntanga East) which supports project scale and economics.

Positive factors

  • High uranium recoveries (up to 86%)
  • Low acid consumption (approx 3 kg/t)
  • Favorable heap leach characteristics (low fines, high hydraulic conductivity)
  • Enables economic recovery of lower-grade material

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 up to 86% are achieved via heap leach route.

Evidence · text

“returned uranium recoveries of up to 86% at low acid use”

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: The test work specifically targets heap leach processing.

Evidence · text

“extends the Muntanga heap leach case in Zambia.”

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 details
Link to this fact

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
Sample
Bottle roll test composite 1
Leach Time
600 hours

Recovery

Recovery
85.9 %
Recovery Basis
actual_test
Head Grade
167
Head Grade Unit
ppm U3O8

Reagents

Acid
3 kg/t

Lab

Laboratory
Mintek

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Strong recovery result for a bottle roll test.

Positive factors

  • High recovery of 85.9%
  • Low acid consumption

Evidence · text

“the 2 composites returned uranium recoveries of 85.9% and 81.9% after 25 days.”
bottle rollMuntanga Uranium Project · uraniumRecovery: 81.9 %Head Grade: 167Head Grade Unit: ppm U3O8View all details
Link to this fact

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
Sample
Bottle roll test composite 2
Leach Time
600 hours

Recovery

Recovery
81.9 %
Recovery Basis
actual_test
Head Grade
167
Head Grade Unit
ppm U3O8

Reagents

Acid
3 kg/t

Lab

Laboratory
Mintek

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Good recovery result for a bottle roll test.

Positive factors

  • Solid recovery of 81.9%
  • Low acid consumption

Evidence · text

“the 2 composites returned uranium recoveries of 85.9% and 81.9% after 25 days.”
column leachMuntanga Uranium Project · uraniumRecovery: 81 %Head Grade: 167Head Grade Unit: ppm U3O8View all details
Link to this fact

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
Column leach test composite 1
Leach Time
1488 hours

Recovery

Recovery
81 %
Recovery Basis
actual_test
Head Grade
167
Head Grade Unit
ppm U3O8

Reagents

Acid
7.3 kg/t

Lab

Laboratory
Mintek

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Solid recovery in a column leach test representative of heap leach.

Positive factors

  • 81% recovery in column leach

Negative factors

  • Higher acid consumption over 62 days

Evidence · text

“Both composites recovered approximately 81% of their uranium, at 81.0% and 80.8%.”

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 details
Link to this fact

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
Column leach test composite 2
Leach Time
1488 hours

Recovery

Recovery
80.8 %
Recovery Basis
actual_test
Head Grade
167
Head Grade Unit
ppm U3O8

Reagents

Acid
7.3 kg/t

Lab

Laboratory
Mintek

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Solid recovery in a column leach test representative of heap leach.

Positive factors

  • 80.8% recovery in column leach

Negative factors

  • Higher acid consumption over 62 days

Evidence · text

“Both composites recovered approximately 81% of their uranium, at 81.0% and 80.8%.”

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.