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TECTONIC SETTINGS AND METALLOGENISM OF THE EASTERN SEGMENT OF THE QIN-HANG BELT,SOUTH CHINA
Author(s): XU Lei1, 2, LI Sanzhong1, 2, LIU Xin1, 2, SUO Yanhui1, 2, WU Qi1, 2, WANG Pengcheng1, 2
Pages: 57-
66
Year: 2012
Issue:
5
Journal: Marine Geology & Quaternary Geology
Keyword: 构造演化; 成矿作用; 燕山期; 钦杭结合带;
Abstract: 钦杭结合带是中国华南重要的多金属成矿带,位于扬子地块与华夏地块结合部,北西以景德镇-湘潭-凭详深断裂带为界与扬子地块相邻,南东与华夏地块的边界为绍兴—萍乡—北海深断裂。在其漫长的地史时期主要经历了晋宁、加里东、印支、燕山构造运动,依次经历了洋壳俯冲与陆-陆碰撞、聚合造山、统一华南陆块形成、陆内强烈褶皱变形、燕山期地块活化、中生代大规模岩浆岩侵入与喷发、陆内成盆等发展阶段,导致钦杭结合带内存在有特征各异、形成时代不同的多期多种矿床集中出现。不同期次和特征的构造运动控制着相应的成矿作用,其中燕山期是钦杭结合带的成矿高峰期。
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