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赣杭构造带区域大地构造背景的探讨
引用本文:邓家瑞,张志平.赣杭构造带区域大地构造背景的探讨[J].铀矿地质,1999,15(2):71-76.
作者姓名:邓家瑞  张志平
作者单位:华东地质学院,江西临川,344000
摘    要:华南前寒武纪构造格架的确立,是在长期研究中不断取得进展并完善的。通过前寒武纪建造、构造综合分析表明:华夏古陆是一个被肢解了的早前寒武纪古大陆;中元古代晚期浙西—赣东北为华夏古陆的活动陆缘;武陵运动是华南最重要的造山运动,华夏古陆与扬子地块在赣东北断裂带碰撞,形成了统一的“华南古大陆”;晚元古代由于区域地质条件不同,各地碰撞后的构造演化有明显的差异。赣杭断裂带是一条晚元古代早期“A”型俯冲带

关 键 词:大地构造背景  前寒武纪  赣杭构造带  赣杭断裂带

DISCUSSION ON REGIONAL GEOTECTONIC SETTING OF GANHANG TECTONIC BELT
Deng Jiarui,Zheng Zhipin.DISCUSSION ON REGIONAL GEOTECTONIC SETTING OF GANHANG TECTONIC BELT[J].Uranium Geology,1999,15(2):71-76.
Authors:Deng Jiarui  Zheng Zhipin
Abstract:The knowledge of Precambrian structural framework in southern China has been progressed during a long period of study.Based on the comprehensive analysis on Precambrian formations and tectonic evolution the following conclusions are made:(1) The Cathaysia is a desintegrated Early Precambrian oldland;(2) Zhexi Gandongbei region was an active continental margin;(3) The Wuling orogeny is the most important one in the evolution of southern China during which a collision between the Cathaysia and Yangzi blocks occurred forming the united South China Oldland;(4) The Late Proterozoic tectonic evolution in various areas showed obvious difference because of the difference in regional geology.In a word,the Ganhang fault belt was an "A" subduction zone in the early stage of Late Proterozoic.
Keywords:Geotectonic setting  Precambrian  Ganhang tectonic belt  Ganhang fault belt
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