Prehistoric Copper Mining in Botswana | SpringerLink
Mar 27, 2016· Copper has been mined in northeastern Botswana for about 1,200 years with particularly intensive mining during the fifteenth through seventeenth centuries and again in modern times. Element: Cu. Sulfides: covellite (CuS), chalcocite (Cu2S), chalcopyrite (CuFeS2), bornite (2Cu2S·CuS·FeS) Oxides: Carbonates, etc.