ASARCO » MillingThe ore is ground into a fine powder by large rotating mills. . Only then are the copper minerals broken free of the rest of the rock to be separated by flotation. . It represents less than one percent of the material removed from the mine.copper ore mining and milling,Mining and crushing copperSep 28, 2016 . mining and crushing of copper ore - Line Crusher,Line . Mining, Crushing, Milling Processing equipment for mineral ore and stone.
copper ore mining and milling