Copper extraction techniques - WikipediaSecondary sulfides – those formed by supergene secondary enrichment – are . These ores are a mixture of copper carbonate, sulfate,.how copper ore is made,copper processing | BritannicaFeb 9, 2016 . The extraction of copper from its ores and the preparation of copper metal or . Sometime after 6000 bce the discovery was made that the metal.
how copper ore is made