Rio Tinto Limited is a mining company. The company is focused on finding, mining, and processing of mineral resources. The company's operating Segments include Iron Ore, Aluminum, Copper & Coal, Diamonds & Minerals, and Other Operations. Its products include aluminum, copper, diamonds, gold, industrial minerals (borates, titanium dioxide, and salt), iron ore, thermal and metallurgical coal, and uranium. The company's activities span across the world and are represented in Australia and North America, with businesses in Asia, Europe, Africa and South America. Its Copper product group comprises approximately four copper operating assets and over six coal operations, which includes Australia and South Africa, as well as development projects. The Diamonds & Minerals product group comprises a suite of businesses, including mining, refining, and marketing operations across approximately five sectors. The Iron Ore product group operates iron ores, supplying the global seaborne iron ore trade.