Rich mineral deposits in the recently opened Amazon Basin make Brazil a miner's cornucopia: the country has the world's second largest iron ore deposits, the third largest bauxite reserves, the largest tin deposits and abundant supplies of columbium, tantalum, nickel, cobalt, tungsten and other militarily strategic materials.

data in million metric tons (includes crude ore and iron content)

That part of the reserve base which could be economically extracted or produced at the time of determination. Reserves include only recoverable materials.

That part of an identified resource that meets specified minimum physical and chemical criteria related to current mining and production practices. The reserve base is the in-place demonstrated (measured plus indicated) resource from which reserves are estimated.