About Rio Tinto PLC ADR 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 ...

Iron ore mining and salt and gypsum production in Western Australia, along with Bauxite mining; alumina refining; aluminium smelting, mining and refining of copper, gold, silver, molybdenum, other ...

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