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广东凡口铅锌矿床的走滑构造及成矿模式

, PP. 556-566

Keywords: 走滑构造,成矿作用,控矿作用,铅锌矿,广东凡口

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Abstract:

广东凡口铅锌矿富存于粤北曲仁盆地北缘中、上泥盆统碳酸盐岩石中,是吴川-四会钨、锡、铅、锌多金属成矿带的重要代表性矿床之一。矿区内发育一系列与矿床形成及改造有关的NE向、NNE或NW向走滑构造。其中印支期NE向左行走滑构造是重要的成矿期构造;矿体的空间产出状态和富集程度主要受NE向走滑构造控制,但同时受燕山期与喜山期等成矿期后NNE向和NW向右行走滑伸展构造的改造和影响。矿区NE向走滑构造带的演化与发展及其相伴的岩浆等热液活动是该大型矿床形成的重要制约因素。

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