Volume II contains the latest available domestic mineral industry data, and highlights the importance of minerals to the economy. Chapters examine mining, refining, processing, and use of minerals.Phelps Dodge Corporation, prompted by the sustained high price of molybdenum , announced plans to conduct a feasibility study ... The mine, located on the continental divide at Fremont Pass between Leadville and Copper Mountain, had been on care-and- maintenance status since 1995. ... The clay was recovered mainly from the Laramie Formation (Upper Cretaceous), the Dakota Sandstone ( Loweranbsp;...
|Title||:||Minerals Yearbook, 2006, V. 2, Area Reports, Domestic|
|Author||:||U. S. Department of the Interior, Geological Survey (U S )|
|Publisher||:||Government Printing Office - 2010-04|