Prospech Limited (ASX:PRS) Initiates Metallurgical Testing for Korsnäs REE Project
Bulk Sample Collection
Prospech Limited (ASX:PRS) successfully collected a 500 kilogram bulk sample of rare earth element (REE) mineralised material from the historic Lanthanide Concentrate Stockpile (LnCS) at the Korsnäs REE Project in western Finland.
Metallurgical Test Work Programs
The bulk sample is undergoing metallurgical test work in Finland and Australia. In Finland, 200 kg has been sent to Oulu University for characterisation, flotation, and REE leaching tests as part of the EU-funded REMHub consortium. The remaining 300 kg is being tested by Australian commercial laboratories to optimise REE extraction and purification.
High-Grade Assay Results
In June 2024, sampling confirmed the material’s high grade with Total Rare Earth Oxides (TREO) at 2.55% and Neodymium + Praseodymium Oxides (NdPrO) at 0.79%, achieving a NdPrO to TREO enrichment ratio of 31%.
Mineralogy Supports REE Processing
Mineralogical characterisation showed apatite as the dominant REE-hosting mineral, with minor monazite inclusions. The favourable liberation characteristics support efficient REE beneficiation via flotation.
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