Freeport-McMoRan Copper & Gold Inc. engages in the exploration, mining, and production of mineral resources. The company primarily explores for copper, gold, molybdenum, cobalt hydroxide, silver, and other metals, such as rhenium and magnetite. It holds interests in various mines located in the Grasberg minerals district in Indonesia; Morenci minerals district in North America; South America; and Tenke Fungurume minerals district in the Democratic Republic of Congo. As of December 31, 2011, the company’s consolidated recoverable proven and probable reserves included 119.7 billion pounds of copper, 33.9 million ounces of gold, 3.42 billion pounds of molybdenum, 330.3 million ounces of silver, and 0.86 billion pounds of cobalt. Freeport-McMoRan Copper & Gold Inc. was founded in 1987 and is headquartered in Phoenix, Arizona.