North of 60 Mining News - The mining newspaper for Alaska and Canada's North

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By Shane Lasley
Mining News 

Critical Minerals Alaska – Tungsten

Hard evidence of past production, prospects across state North of 60 Mining News – August 1, 2018

 

Last updated 9/25/2020 at 5:54am

Critical minerals Alaska Lost River Stepovich Gilmore Dome Fairbanks

Mike wai, Creative Commons

Tungsten carbide is used to make core drilling bits used by the mining industry, such as the Atlas Copco bit on the left. Diamond impregnated bits, such as the two on the right, however, are the most common choice for hard rock drilling.

Extremely hard and with the highest melting point of all the elements on the periodic table, tungsten is a vital ingredient to a wide-range of industrial and military applications, yet none of this durable metal is currently mined in the United States.

According to the United States Geological Survey, more than half of the tungsten consumed in the U.S. last year was used to make the cemented tu...



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