Freeport-McMoRan Copper & Gold Inc. engages in the exploration of mineral resource properties. The company primarily explores for copper, gold, molybdenum, cobalt, silver, and other metals, such as rhenium and magnetite. It operates in five segments: North America Copper Mines, South America Mining, Indonesia Mining, Africa Mining, and Molybdenum Operations. The company holds interests in various mines located in the Grasberg minerals district in Indonesia; Morenci and Safford minerals districts in North America; the Cerro Verde and El Abra operations in South America; and Tenke Fungurume minerals district in the Democratic Republic of Congo. As of December 31, 2012, its consolidated recoverable proven and probable reserves included 116.5 billion pounds of copper, 32.5 million ounces of gold, 3.42 billion pounds of molybdenum, 321.4 million ounces of silver, and 0.84 billion pounds of cobalt. The company was founded in 1987 and is headquartered in Phoenix, Arizona.