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The Bakr-Tay mine is a large copper mine located in the south-west of Russia in Bashkortostan. Bakr-Tay represents one of the largest copper reserve in Russia and in the world having estimated reserves of 114 million tonnes of ore grading 1.81% 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「Bakr-Tay mine」の詳細全文を読む スポンサード リンク
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