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Thor Lake mine : ウィキペディア英語版 | Thor Lake mine
The Thor Lake mine is a large mine located in the northern part of Canada in Northwest Territories. Thor Lake represents one of the largest tantalum reserves in Canada having estimated reserves of 70 million tonnes of ore grading 0.03% tantalum and 0.04% niobium. == 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「Thor Lake mine」の詳細全文を読む
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