The Castle mine was one of the highest grade silver-cobalt producers in the historic Cobalt camp in Northern Ontario. (Image: Canada Cobalt Works)
Canada Cobalt Works (CVE: CCW) says it has intersected multiple high grade cobalt and silver intercepts during phase one drilling on the first level of the Castle mine. The mine is located near Gowganda, 75 km south of Kirkland Lake, Ontario.
The company also says it has outlined potential for high grade shoots of silver and cobalt-silver mineralization to be found in areas overlooked by historical exploration. The mine produced a total of 9.4 million oz. of silver and more than 375,000 lb. of cobalt from the No.3 shaft at various times from 1917 and 1989.
Highlights of recent drilling:
A new discovery of silver veins 55 metres southwest of the No.3 shaft assayed 3,213 g/t silver over 1.0 metre, including 9,816 g/t over 0.3 metre only 9.71 metres downhole.
Near the adit entrance, drill core assayed 13,208 g/t silver, 0.67% cobalt, and 3.77 g/t gold over 0.5 metre within a longer 5.5-metre zone that included 1.87% cobalt over 2.5 metres and 2,620 g/t silver over a length of 5.5 metres beginning 1.5 metre below surface.
All 47 holes intersected bonanza grade cobalt intercepts of 1.05% to 3.70% cobalt over an average core length of 1.8 metres.
Jacques Monette, a Canada Cobalt director, said, “These results from our first-ever underground drilling support the interpretation that much was left behind at the Castle mine, not just cobalt but very high grade silver. This array of high grade intercepts at shallow levels further energizes our team as we ramp up again and implement a greatly expanded second phase of our underground strategy.”
This story first appeared in Canadian Mining Journal.
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