ball milling of copper ore in zambia
Major minerals are Copper and Cobalt Copper production stands at 465,000 mt, and is expected to reach about 700,000 mt by 2010.Copper mines in Zambia - Straight through Africa | .20/9/2018· Here, 300,000 tons of stone are moved every day, and the copper ore from it yields a profit of hundreds of millions of dollars a year.