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The Carajás Mine is the largest iron ore mine in the world. It is located in the municipality of Parauapebas, state of Pará in the Carajás Mountains of Northern Brazil. The mine is operated as an open-pit mine, and is estimated to contain roughly 7.2 billion tons of iron ore, plus gold, manganese, copper, and nickel. 〔 The mine is run by Vale (formerly the Companhia Vale do Rio Doce) and was previously part-owned with US Steel until 1977. 〔(【引用サイトリンク】title=Carajas Iron Ore Mine - Mining Technology )〕 The mine is part of the larger Carajás mining district, which "contains known reserves of the order of 18 billion tons with an average grade of 65.4% Fe."〔 The mine is largely powered by hydroelectric power from the Tucuruí Dam. 〔(【引用サイトリンク】title=Mining Giant Joins Belo Monte Dam - International Rivers )〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Carajás Mine」の詳細全文を読む スポンサード リンク
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