Rio Tinto Ltd. engages in finding, mining, and processing of mineral resources. It operates through the following segments: Iron Ore, Aluminium, Copper and Diamonds, Energy and Minerals, and Other Operations. The iron Ore segment exports iron ore pellets and high-grade concentrate. The Aluminum segments focuses on bauxite mines and alumina refineries. The Copper and Diamonds segment produces gold, silver, molybdenum, and by-products. The Energy and Minerals segment offers uranium, borates, salt, and titanium dioxide feedstock together with coal operations. The company was founded on December 17, 1959 and is headquartered in Melbourne, Australia.