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The Qaqqaarsuk mine is a large niobium mine located in Sermersooq in southern Greenland. Qaqqaarsuk represents one of the largest niobium reserves in Greenland having estimated reserves of 3.5 million tonnes of ore grading 0.5% 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「Qaqqaarsuk mine」の詳細全文を読む スポンサード リンク
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