Rio Tinto Plc engages in the exploration, mining, and processing of mineral resources. It operates through the following business segments: Iron Ore, Aluminium, Copper and Diamonds, Energy and Minerals, and Other Operations. The Iron Ore segment supplies global seaborne iron ore trade. The Aluminium segment produces bauxite, alumina and primary aluminum. The Copper and Diamonds segment offers gold, silver, molybdenum and other by-products. The Energy and Minerals includes businesses with products such as uranium, borates, salt and titanium dioxide feedstock together with coal operations. The Other Operations segment covers the the curtailed Gove alumina refinery and Rio Tinto Marine operations. Rio Tinto was founded in 1873 and is headquartered in London, the United Kingdom.