Rio Tinto Group explores, mines and processes mineral resources worldwide through its Iron Ore, Aluminium and lithium, and Copper segments, covering iron ore, salt and gypsum in Western Australia, bauxite, alumina refining, aluminium smelting and recycling, lithium, and copper, gold, silver and molybdenum. It owns and operates open pit and underground mines, refineries, smelters, processing plants, and power and shipping facilities.