Rio Tinto Limited focuses on finding, mining, processing and marketing mineral resources. Product Groups Aluminium Product Group The company operates in the aluminium industry. Its business includes bauxite mines, large-scale alumina refineries, and various primary aluminium smelters. Products Bauxite: Bauxite is the natural ore used to make aluminium. It is refined into alumina, which is smelted into aluminium metal. The company’s wholly- and partly-owned bauxite mines are located in Australia, Brazil, and Guinea. Alumina: Alumina (aluminium oxide) is extracted from bauxite through a refining process. Approximately four tonnes of bauxite are required to produce two tonnes of alumina, which in turn makes one tonne of aluminium metal. The company’s wholly- and partly-owned alumina refineries are located in Australia, Brazil, and Canada. Aluminium: Aluminium is a modern metal. Its primary markets are transportation, machinery, and construction. The company’s smelters are mainly concentrated in Canada. It also has plants in France, Australia, New Zealand, Iceland, the U.K., and Oman. Development Projects In November 2015, the company’s board approved the development of the Amrun bauxite project, south of the Embley River on Cape York, Queensland, in Australia. Copper & Coal Product Group As of December 31, 2015, the product group had four copper operating assets – in the U.S., Mongolia, Chile and Indonesia – and six coal operations in Australia and South Africa, as well as development projects. Products Copper: Copper is a conductor of heat and electricity, and 70 per cent of the copper the industry produces is used in conductive applications. Copper is also a major component of green technologies, from wind energy and solar collection to high-efficiency buildings and electric vehicles. The company also produces gold, silver and molybdenum as co-products of its copper production. Coal: Thermal coal is used for electricity generation in power stations. The thermal coal from the company’s Hunter Valley operations features the low ash and sulphur content necessary for lower-emissions power stations. It produces coking or metallurgical coal, which produces steel when mixed in furnaces with iron ore. Gold: Gold is used as a store of value. It is also conductive, malleable and inert, making it a key component in the electronics, chemical production, jewellery, aerospace, and medical industries. Silver: Silver has electrical and thermal conductivity, and is used in various electronic devices. It is also used in aerospace and medical applications, to make jewellery and as an investment. Molybdenum: Molybdenum improves toughness, high-temperature strength and corrosion resistance when combined with other metals. It is frequently used to produce stainless steel and other metal alloys. Core Operating Assets Rio Tinto Kennecott (100 per cent): Kennecott supplies approximately seven per cent of the U.S. refined copper requirements. In 2015, Kennecott produced 115 thousand tonnes of refined copper, 179 thousand ounces of refined gold, and 7.6 thousand tonnes of molybdenum. Production in 2015 was impacted by ongoing recovery from the 130 million-tonne landslide on the north east wall of the Bingham Canyon Mine. Oyu Tolgoi (Oyu Tolgoi LLC) (50.8 per cent interest in Turquoise Hill Resources Ltd.): Located in Mongolia’s South Gobi Desert, Oyu Tolgoi is gold development projects. In 2015, the company produced 202 thousand tonnes of copper and 653 thousand ounces of mined gold (100 per cent basis). Escondida (Minera Escondida Limitada) (30 per cent interest): Located in Chile’s Atacama Desert, Escondida is a copper-producing mine. In 2015, Escondida produced 1,148.8 thousand tonnes of mined copper (100 per cent basis). Grasberg: Through a joint venture with Freeport-McMoRan Inc., the company is entitled to 40 per cent of material mined above an agreed threshold as a consequence of expansions and developments of the Grasberg facilities in Indonesia. Coal Rio Tinto Coal Australia (RTCA) (100 per cent): In Queensland, RTCA manages the Hail Creek (82 per cent) and Kestrel (80
rio tinto ltd (RTNTF:OTC US)
120 Collins Street
Melbourne, VIC 3000
Phone: 61 3 9283 3333
Fax: 61 3 9283 3707www.riotinto.com
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