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Mining in Brazil is centered on the extraction of gold, copper, tin, iron and bauxite. ==History== * Discovery of first gold rush in 1690s, gold discoveries made in streams not far from present day city of Belo Horizonte. * In 1729 diamonds were discovered in the same area. This started a diamond rush. * By 1760 nearly half of the world's gold was from Brazil. * In the early 18th century nearly 400,000 Portuguese immigrants came to mine in southern Brazil. * Over half a million African slaves were shipped to work in the gold mines. 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「Mining in Brazil」の詳細全文を読む スポンサード リンク
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