Pilot plant gravity separation tests have now been completed on the bulk sample collected from the Natashquan heavy mineral sands deposit on Quebec’s north shore.
Results of the tests, carried out at the Centre for Mineral Research (CRM) in Quebec City, have been sent to Mineral Deposits Limited (MDL) in Australia. MDL will design a production gravity separation plant and provide a pre-feasibility estimate of capital costs.
The concentrates are undergoing wet, low- and high-intensity magnetic separation treatment. Property owner Tiomin Resources (ME) has doubled magnetic separation capacity at the CRM pilot plant to allow production of ilmenite, magnetite, zircon, and garnet by year-end. Test marketing will begin in January, 1994.
The deposit has preliminary reserves of 1.6 billion tonnes grading 8% heavy minerals, sufficient for 50-100 years of mining.
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