Canadian Mining Journal


COBALT: Canada Cobalt notes high grade assays from Castle mine

Typical high grade silver sample from the former Castle mine. (Image: Canada Cobalt Works)

ONTARIO – Canada Cobalt Works of Coquitlam, B.C., has run into some high grade cobalt mineralization as it rehabilitates the former Castle silver mine near Gowganda. The company is preparing for its first underground drilling program.

Five composite samples of waste rock from the first level of the mine assayed from 1.05% to 5.2% cobalt, averaging 2.3% cobalt. Silver values ranged from 167 g/t to 240 g/t while one sample returned 10.1 g/t gold.

These samples will form part of a 500 kg sample that will be put through the company’s proprietary Re-2OX process to create a cobalt concentrate followed by a cobalt sulphate and/or cobalt hybrid formulations for evaluation by battery sector clients in China.

More about the potential reopening of the Castle mine is available at

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