Rio Tinto Limited (Rio Tinto) is engaged in finding, mining and processing mineral resources. The Company�s product group includes aluminium product group, copper product group, diamonds and minerals group, energy product group and iron ore products group. Its products are iron ore, aluminium, copper, diamonds, coal, uranium, gold and industrial minerals (borax, titanium dioxide and salt). Its iron ore businesses delivered record production and shipments, and its copper business showed a second half recovery in copper volumes. In January 2012, it acquired 2% of Ivanhoe Mines Ltd. In August 2012, Orocobre Ltd acquired Borax Argentina S.A. from Rio Tinto Ltd entities, Rio Tinto Minerals Development Limited and Borax Europe Limited. In September 2012, it sold the North American portion of its Alcan Cable business to General Cable Corporation. As of December 31, 2012, the Company had 51% interest in Turquoise Hill Resources Ltd.,formerly known as Ivanhoe Mines.