Rio Tinto Group engages in exploring, mining, and processing mineral resources worldwide. The company operates through Iron Ore, Aluminium, Copper, and Minerals Segments. It offers aluminum, copper, iron ore, diamonds, gold, borates, titanium dioxide, salt, silver, molybdenum, and lithium. The company also owns and operates open pit and underground mines, refineries, smelters, and concentrator facilities, as well as power stations, research, and service facilities. Rio Tinto Group was founded in 1873 and is headquartered in London, the United Kingdom.