The mining newspaper for Alaska and Canada's North

Palmer being studied for "critical" barite

North of 60 Mining News – March 1, 2018

Constantine Metal Resources Ltd. Feb. 27 said it has initiated a metallurgical test program to determine if a marketable barite concentrate can be produced as a co-product from the Palmer copper-zinc-gold-silver project in Southeast Alaska.

In a report published earlier this year, the U.S. Geological Survey named barite among 23 minerals considered "critical" to the economic and national security...


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