Gemstone and industrial diamond mining, Magnesium, Coal and coke
Phelps Dodge Specialty Copper Products
Founded in 1988, Freeport-McMoRan Copper & Gold is one of the leading international mining companies in Arizona. It maintains the reserves of copper, gold and molybdenum products. The company provides production technology, underground mining and copper leaching services. Freeport-McMoRan Copper & Gold operates a process technology center and exploration group that provides a range of process technologies. It produces electrolytic copper cathodes that contain pure copper. Freeport-McMoRan Copper & Gold explores gold and silver mineral deposits. It also offers mining services for aluminum, plastic, stainless steel and fiber optic products. Its copper concentrate powder is used as a feedstock product for smelters.
