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矿床地质  2002 

云开地区中生代成矿地质背景及成矿动力学机制研究

Keywords: 云开地区,构造转换,成矿作用,动力系统转换

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Abstract:

文章通过对云开地区地质构造、矿床时空分布以及中生代花岗岩类岩石的岩石学及地球化学特征的综合研究,认为区内中生代岩石圈构造经历了二叠—三叠纪之间的碰撞挤压、侏罗纪的构造转换及白垩纪的拉张伸展3个阶段的演化过程,大规模成矿作用受控于燕山早期岩石圈的构造转换及燕山晚期的拉张伸展的岩石圈动力学背景。

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