copper ore producer

  • The World's Leading Silver Producing Countries ...

    Jun 06, 2019 · All ores containing silver are mined either by open bit or the underground method then they are crushed and grounded to begin the extraction process. The method employed depend on the primary metal in the ore, whether it is lead, Zinc or copper. The World's Leading Silver Producing Countries

  • The World's 10 Largest Copper Producers