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The Gaysky mine is a large copper mine located in the south-west of Russia in Orenburg Oblast. Gaysky represents one of the largest copper reserve in Russia and in the world having estimated reserves of 3.06 billion tonnes of ore grading 1.7% copper. == 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「Gaysky mine」の詳細全文を読む スポンサード リンク
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