RARE EARTHS: Commerce boosts recovery from Ashram samples

QUEBEC – Commerce Resources Corp. of Vancouver says it has made “significant” metallurgical improvements to the concentrate made from the Ashram rare […]
QUEBEC – Commerce Resources Corp. of Vancouver says it has made “significant” metallurgical improvements to the concentrate made from the Ashram rare earth deposit at the Eldor property in Nunavik. Overall rare earth element (REE) recoveries have been improved to 76% from 72%, and grades of >40% TREO have been maintained. The company said recent test work also simplified the leaching process by dropping the secondary leach from the flowsheet. This is a savings in capex and reagent costs. Ashram concentrate is amenable to floation, leaching to remove carbonate materials, and treatment in a wet high intensity magnetic separator. The Ashram deposit has a measured resource of 1.6 million tonnes at 1.77% TREO, an indicated resource of 27.7 million tonnes at 1.90%, and an inferred resource of 219.8 million tonnes at 1.88%. The revised preliminary economic assessment for the Ashram deposit is available here.

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