Comalco (now called Rio Tinto Aluminium) is the world's eighth largest aluminium company. It mines and manufactures bauxite, alumina and primary aluminium. General Name, Symbol, Number aluminium, Al, 13 Chemical series poor metals Group, Period, Block 13, 3, p Appearance silvery Atomic mass 26. ... Bauxite with penny Bauxite with core of unweathered rock Bauxite is an aluminium ore which consists largely of the Al minerals gibbsite Al(OH)3, boehmite and diaspore AlOOH, together with the iron oxides goethite and hematite, the clay mineral kaolinite and small amounts of anatase TiO2. ... Aluminium oxide (or aluminum oxide) (Al2O3) is a chemical compound of aluminium and oxygen. ...

Rio Tinto Aluminium is a wholly owned subsidiary of Rio Tinto Group and provides about 20% of Australia's total production of bauxite, 8% of its alumina and 24% of its primary aluminium. Rio Tinto is a multinational mining and resources group founded originally in 1873. ...

In 2002, Rio Tinto Aluminium earned US$256 million for its shareholder Rio Tinto.

RTA owns the Weipa Bauxite mine, Yarwun Alumina Refinery, and Bell Bay Aluminium Smelter. Weipa (12°36′S 141°58′E), a town on the Gulf of Carpentaria coast on Cape York Peninsula in Queensland, Australia, is a mining town of approximately 3,000 people that exists because of the enormous bauxite deposits along the coast. ...

Comalco also has interests (manages or joint-venture) in other aluminium related businesses:

• Boyne Smelters (aluminium smelter)
• New Zealand Aluminium Smelters (aluminium smelter)
• Queensland Alumina Limited (alumina refinery)
• Gladstone Power Station (power station)
• Anglesey Aluminium (aluminium smelter)
• Eurallumina SpA (alumina refinery)(Now sold)

Gladstone Power Station The Gladstone Power Station is Queenslands largest power station, with six coal powered steam turbines generating a maximum of 1,680 MW of electricity. ... Anglesey Aluminium Metal Ltd. ...

External links

• Comalco web site