copper gold extraction process

copper gold mining process - arcadria Copper Mining and Processing: Processing of Copper . Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use. A Novel Technique for Silver Extraction from Silver ... A novel technique for silver extraction from Ag ... namely copper, gold, ... a novel method for silver extraction from silver sulphide ore is described. What happens to mine sites after a mine is closed? Mining is a temporary activity, with the operating life of a mine lasting from a few years to several decades. Mine closure occurs once the mineral resource at a working mine is exhausted, or operations are no longer profitable.    Read More