De Anónimo a 30 de Agosto de 2008 às 07:18
“Reserves and Resources
Brazil was among the world leaders in reserves of some mineral commodities (table 3). According to the DNPM, the country’s world reserves of mineral commodities was as follows: first, niobium (columbium) and tantalum; second, graphite; third, bauxite, tin, and zinc; fourth, magnesite and manganese; and fifth, iron ore (table 3; Departamento Nacional de Produção Mineral, 2007b, p. 10)

http://minerals.usgs.gov/minerals/pubs/country/sa.html#br


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