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FAULT CONTROLLING IN LUOBA LEAD-ZINC DEPOSIT, GANSU PROVINCE
Author(s): 
Pages: 38-41
Year: Issue:  6
Journal: GEOLOGY AND PROSPECTING

Keyword:  甘肃铅锌矿床控矿因素;
Abstract: 甘肃洛坝铅锌矿床矿体形态复杂,长期存在"背斜控矿"与"单斜控矿"的争论.矿体及赋矿岩石夹持于区域性的黄渚关断裂与江洛-人土山断裂间,两断裂在矿区相距不足1 km,矿床整体处于其间的断裂破碎带中.层状矿体形成后遭受了强烈的构造挤压变形改造,相当一部分"千枚岩"为强挤压的断层岩,其中含有灰岩及矿石角砾.矿体不再是简单的"秦岭型"铅锌矿的背斜控矿或单斜控矿,而是受控于断裂破碎带.对矿区控矿断裂的研究将有助于已知矿体的开采和深部与外围地区盲矿的勘探.
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