Copper - Wikipedia
Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity.A freshly exposed surface of pure copper has a pinkish-orange color.Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling,The Andes, copper mines and volcanoes of Chile,,Apr 19, 2015· Most of these formed during the Eocene to Miocene in Chile (~ 43 to 5 Ma; Mpodozis and Cornejo, 2012). Examples of some of the most giant porphyry copper deposits are Chuquicamata and Rio Blanco-Los Bronces. I got to visit some of these copper deposits, which are now active mines… and the sizes of these operations are absolutely incredible.Michigan-Copper-Mines - Mining Artifacts,The Michigan Copper Mining Co. holdings consisted of 4,870 acres of mineral land, 1,466 acres of timber land and a 150 acre mill site. This included the sites and of the old Minesota, Superior and Rockland mines. The new workings eventually included A, B, C and E shafts. Lodes worked were the Calico, Evergreen and Ogima.