Copper extraction techniques - WikipediaSecondary sulfides – those formed by supergene secondary enrichment – are . These ores are a mixture of copper carbonate, sulfate,.how is copper ore obtained,Copper mining. Introduction. - School ScienceThese produce many thousands of tonnes of copper ore per year. The main ores of copper are: chalcopyrite; bornite; malachite. The ores are extracted by either.
how is copper ore obtained