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By Shane Lasley
Mining News 

Critical Minerals Alaska – Barite

Rich deposits of heavy critical mineral found with SE, NW zinc North of 60 Mining News – September 1, 2018


Last updated 9/25/2020 at 6:25am

Constantine Metal Resources Ltd.

Constantine Metal Vice President of Exploration Darwin Green examines an outcrop of barite-sulfide boulders rich in zinc and copper at Mount Henry Clay, one of numerous VMS prospects found across the Palmer project in Southeast Alaska.

While not the flashiest of the 35 minerals on the United States Geological Survey's critical list, barite plays an essential role in America's energy sector.

Barite got its name from the Ancient Greek word for heavy, barús, and it is the high specific gravity that earned this mineral its name that makes it a critical mineral.

Added to drill mud, a solution that serves multiple purposes in bo...

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