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Axel REE Woolrich ISR Tests Hit 560ppm TREO, 39% MREO
Axel REE's Woolrich ISR tests exceeded the Gerik benchmark with 560ppm TREO and 39% MREO; December field program aims to validate operating parameters for first-mover status in Minas Gerais.
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Axel REE (ASX: AXL) said its metallurgical test work at the Woolrich rare earths deposit in Brazil returned soluble total rare earth oxides of 560 parts per million and magnet rare earth oxides of 39% under in-situ recovery (ISR) analogue conditions. The results, delivered by Core Resources in Brisbane, used a mild magnesium sulphate solution under dynamic flow conditions.
The soluble TREO grade exceeds the 486ppm benchmark Axel previously reported from the Gerik ISR operation in Malaysia. The company said impurity mobilisation – aluminium, iron, thorium and uranium – remained low, supporting the deposit's suitability for ISR development.
Axel plans to start a field exploratory test program at Woolrich in the December quarter. The program will assess permeability, reagent consumption, pregnant leach solution tenor, recovery behaviour, hydraulic control and impurity management under field conditions. A small land parcel with low-relief topography has been selected to support gravity-assisted drainage, with bedrock beneath the ionic clay mineralisation expected to act as a natural hydraulic boundary.