The mining newspaper for Alaska and Canada's North
The mining newspaper for Alaska and Canada's North
North of 60 Mining News – March 22, 2019
A rainbow touches down at Bornite, a carbonate hosted deposit in Alaska's Ambler Mining District that hosts roughly 6.4 billion pounds of copper and 77 million lb of cobalt.
Trilogy Metals Inc. March 19 reported that much of the step-out drilling completed over the past two years is still too widely spaced to result in a significant increase in resources at this large copper deposit on the company's Upper Kobuk Mineral Projects in Northwest Alaska.
At a cut-off grade of 0.5 percent, the open-pit portion of Bornite hosts 40.5 million metric tons of indicated resource a...
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