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The Mrima Hill mine is a large niobium mine located in southern Kenya in the Coast Province, close to Mombassa. Mrima Hill represents one of the largest niobium reserves in Kenya having estimated reserves of 105.3 million tonnes of ore grading 0.65% niobium metal. == 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「Mrima Hill mine」の詳細全文を読む スポンサード リンク
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