Bauxite is the principal aluminium ore
It is formed as a residual product over millions of years by chemical weathering of rocks containing aluminium silicates. It was first discovered in France in 1821, and has since been found in many locations around the world. Hydro has interests in two bauxite mines in Brazil.
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The planned addition of the bauxite, alumina and aluminium production activities in Brazil will move Hydro into the top class of global aluminium companies.
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