Copper extraction - WikipediaCopper extraction refers to the methods used to obtaining copper from its ores. The conversion .. The copper ore is crushed and ground to a size such that an acceptably high degree of liberation has occurred between the copper sulfide ore.copper concentrate crushing,Copper Mining and Extraction Sulfide OresThese produce many millions of tonnes of copper ore per year. The main ores of . To get at the copper the first stage is crushing in huge cylindrical ball mills.