云南巍山笔架山锑矿床成因

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矿区褶皱和断裂相互重叠交错,为含矿热气液的运移提供了导矿及储矿构造。微量元素测定,确定上三叠系地层为锑的矿源层,矿体严格受层位控制,三合洞组灰岩破碎带为含矿层位,是找矿主要标志。依据矿床产出特点及物理化学条件,确认该矿床属中低温热液富集层控矿床。
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