Information on Kennecott Copper Mine, the world''s largest excavation





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How copper is made - material, used, processing, steps ,Copper is one of the basic chemical elements In its nearly pure state, copper is a reddish-orange metal known for its high thermal and electrical conductivity...know more

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Smelting Copper from Ore - Brighthub EngineeringMining for Copper Bearing Ore There are two categories of copper ore; sulphide ore which is processed to enrich it before smelting, and oxide ore that is subjected ....know more