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The Laza mine is a large open pit mine located in the north-western part of Spain in Province of Ourense. Laza represents one of the largest tin reserves in Spain having estimated reserves of 20 million tonnes of ore grading 0.05% tin. == 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「Laza mine」の詳細全文を読む スポンサード リンク
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