衡阳盆地南缘大堡—灯坪地区铜铅锌矿地质特征及控矿因素探讨

Land & Resources Herald(2017)

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Abstract
大堡—灯坪地区铜铅锌矿成因类型主要有热液充填-交代型、氧化淋滤-次生富集型和动力变质分异型,矿石类型主要有构造角砾岩型、碎裂岩型和裂隙充填型;矿化主要赋存于构造硅化碎裂岩带、硅化角砾岩带、裂隙密集带、断层接触的不整合接触带;矿体多呈脉状、囊状、透镜状或似层状产出;铜铅锌矿化具有一定的水平分带和垂直分带特征.区内地层、构造和不整合面与铜铅锌成矿关系密切,尤其是白垩系神皇山组与泥盆-石炭系的角度不整合界面对成矿有利,为区内主要控矿因素.
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