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华南前侏罗纪构造
投稿时间:2019-11-02  修订日期:2020-01-03  点此下载全文
引用本文:
DOI:10.19762/j.cnki.dizhixuebao.2020046
摘要点击次数: 30
全文下载次数: 51
作者单位E-mail
舒良树 南京大学内生金属矿床成矿作用研究国家重点实验室 Lsshu@nju.edu.cn 
陈祥云 江西省自然资源厅  
楼法生 江西省自然资源厅  
基金项目:国家自然科学基金项目(41772204、41572200)和国家重点研发计划华南项目(2016YFC0600202)
中文摘要:华南是我国地质研究的立典地之一。近年又有若干新发现, 获得大批新数据,产生了许多新认识。本文初步总结了华南前侏罗纪地质研究中取得的新进展、新成果以及出现的新问题,结合自己的工作和认识,进行了据实说理的评述,兼谈了自己的认识。主要内容包括前寒武纪地质特征(多地体的构造格架、碰撞拼合带位置的厘定、华夏古陆问题、新元古代变质作用)、华南原始大陆形成的时间与证据、华南早古生代褶皱带构造属性(陆内造山前构造、陆内造山的证据、陆内构造-岩浆作用特征、早古生代陆内造山的驱动力)、晚古生代沉积环境与早中生代构造-岩浆作用的构造背景(晚古生代含放射虫硅质岩问题、晚古生代地层序列、早-中三叠世花岗质岩浆活动特征、早中生代构造-岩浆活动的动力学机制)以及华南地质研究中值得注意的一些问题等。期盼借此引起业内同行的重视,促进华南地质研究的前进步伐。
中文关键词:构造特征  前寒武纪  早古生代  晚古生代-早中生代,华南
 
Prejurassic Tectonics of South China
Author NameAffiliationE-mail
Shu Liangshu State Key Laboratory for Mineral Deposits Research,Nanjing University Lsshu@nju.edu.cn 
Chen Xiangyun Jiangxi Bureau of Natural Resources  
Lou Fasheng Jiangxi Bureau of Natural Resources  
Abstract:South China is one of the best developed areas on the geological researches in China. Understanding of the pre-Jurassic tectonic evolution of South China have been significantly improved recently based on the newly obtained data and discoveries. Combining our own new results, this paper reviewed literature new results and new data and analysed new scientific problems. The major advances on the South China geology include (1) the Precambrian geological features such as the tectonic framework of multiple terranes, the location of collision/suturing zone between the Yangtze and Cathaysia blocks, the nature of so called Cathaysia Oldland and Neoproterozoic metamorphism, (2) the formation time and evidence for Proto-South China Continent, (3) the tectonic significence of the Early Paleozoic folded belt in South China, including pretectonic setting of intracontinental orogeny, evidence and indications of of intracontinental orogeny, formation of widespread S-type granitic magmatism and the drive mechanism of the intracontinental orogeny, (4) the Late Paleozoic depositional environment and the Early Mesozoic tectonism and granitic magmatism, such as the stratigraphic sequences and the depositional environment of the radiolarian-bearing cherts, the nature and origin of Early-Middle Triassic S-type granitoids, and the geodynamics of the Early Mesozoic tectonic and magmatic event. This paper also discussed several critical problems or mistakes in the geological studies of the South China. With this article, we look forward to drawing attentions of the geological society and to promoting the study of the South China geology.
keywords:Tectonic features  Precambrian  Early Paleozoic  Late Paleozoic to Early Mesozoic  South China
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