Trombetas

The mining company Mineração Rio do Norte (MRN) in Trombetas has annual production capacity of 18 million metric tons of bauxite and has nearly 1,300 permanent employees

The raw materials are transported by barge to Alunorte in Barcarena. Hydro has a 5 percent interest in MRN but the company has an agreement to take over Vale's 40 percent of the bauxite from MRN. MRN began extracting bauxite in 1979.

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