Canada Silver Cobalt Works Inc (TSX-V:CCW, OTCQB:CCWOF) said it has finished re-processing waste rock material from its Castle Mine in Ontario.
While cobalt and nickel results are still pending, the company said that the mine waste rock is potential pre-production plant feed and can be mechanically sorted and upgraded by “simple gravity concentration,” according to a statement.
Waste rock currently sitting outside the mine is potentially similarly mineralized as the stored waste rock left in the mine stopes, the firm added.
READ: Canada Silver Cobalt discovers significant gold mineralization at Castle East and Castle Underground mine
Assays from the samples include values of up to 1.16 parts per million (ppm) or 0.03 ounces per ton gold and 29,165 ppm or 850.6 ounces per ton silver.
Canada Silver Cobalt has already rehabilitated about 500 meters of the 1.2 kilometers of accessible First Level underground mine workings which is accessible by an adit, it said.
“Two hundred of the 500 rehabilitated meters have mined stopes above and have broken muck stored, potentially up to 10 meters deep in the stope, on the mine’s first level. Historically, mining companies drifted directly on the mineralized veins during mine production,” the firm said in a statement.
“Based on the underground drilling done in 2019, the potential exists that, in addition to the 600 meters of stoped drifts that have already been mined, there exists up to a further 300 meters of stoped veins yet to access. With additional exploration, extensions of potential mineralized vein material can be identified to mine and process for the recovery of precious metals and battery metals.”
Canada Silver Cobalt said it is envisioning a ramp to be used to mine the mineralized material between the 11 existing mine levels, creating a ramped mine operation that would allow for hauling the ore up the main shaft.
This will lead to an optimized mine design for future mine production, it said.
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