. affect steps leading to the sale of the first commercial product after extraction. The three major components of mining (exploration, mining, and processing) overlap .. The copper ore bodies mined from 1911 to 1938 at Kennecott, Alaska (now . increasingly sophisticated analytical techniques and equipment developed in.
Apr 6, 2016 . Dealers of used mining equipment, from the United States to Chile and . for highly specialized mineral processing equipment, dealers say. . Executives from across the global copper industry are meeting in . While cheaply bought used equipment offers potential profit for re sellers, it limits future sales.