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U.S. total minerals production value up 12% to $74b in 2011--USGS
The U.S. Geological Survey says the value of U.S. mineral production increased for the second consecutive year in 2011 with an estimated value of mineral raw materials mined of $74 billion, a 12% increase from $66 billion in 2010.
The estimated value of U.S. metal mine production last year was $37.1 billion, a 23% increase over 2010, while the value of industrial minerals mine production in 2011 was $36.9 billion, a 3% increase over 2010.
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