by Greg Klein | Updated July 21, 2015
Rare earths metallurgical progress continues with a second round of tests on material from the Ashram deposit in Quebec, Commerce Resources TSXV:CCE announced July 20. Conducted at a mini-pilot plant in Colorado, the program intends to leach bulk flotation concentrate produced during Phase I.
“This leach pilot is part of a larger program to confirm the scalability of the total flowsheet and produce several kilograms of mixed rare earth carbonate concentrate and mixed RE chloride concentrate,” the company stated. Commerce anticipates following the continuous mini-pilot operation with large-scale batch piloting.
Meanwhile a 32-hole, 3,000-metre drill program began earlier this month at the northern Quebec project. The campaign focuses on infill drilling to upgrade the resource for Ashram’s pre-feasibility study. With some high-grade results released last month, assays for another 18 winter holes are pending.
In May Commerce reported a new infrastructure model that could potentially cut Ashram’s development costs.
The company also holds the Blue River tantalum-niobium project in southeastern British Columbia, which reached the preliminary economic assessment stage in 2011.
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