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北亚造山区南部及其毗邻地区地壳构造分区与构造演化

李锦轶1|张进2|杨天南1|李亚萍3|孙桂华4|朱志新5|王励嘉1   

  1. 1.中国地质科学院 地质研究所|北京 100037;2.中国地震局 地质研究所|北京 100029;3.中国地质调查局 发展研究中心|北京 100037;4.国土资源部 广州海洋地质调查局|广州 510760;5.新疆地质调查院|乌鲁木齐 830011
  • 收稿日期:2009-06-29 出版日期:2009-07-26 发布日期:2006-07-26
  • 作者简介:李锦轶(1956-)|男|辽宁昌图人|研究员|博士生导师|主要从事大陆内部古造山带形成与演化的研究|Tel: 010-68999687,E-mail:jyli@cags.ac.cn
  • 基金资助:

    国家“973”项目 (2007CB411306,2001CB409810);国家自然科学基金项目(40672138, 49872066, 4000121475, 40132020);国土资源大调查项目(1212010561502-1,1212010711817,1212010611806,1212010733802,200013000201)

Crustal Tectonic Division and Evolution of the Southern Part of the North Asian Orogenic Region and Its Adjacent Areas

LI Jin-yi1, ZHANG Jin2, YANG Tian-nan1, LI Ya-ping3, SUN Gui-hua4, ZHU Zhi-xin5, WANG Li-jia1   

  1. 1.Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037,China;2.Institute of Geology, China Earthquake Administration, Beijing 100029,China;3.Center of Development and Research|China Geological Surveys, Beijing 100037,China;4.Guangzhou Marine Geological Survey, Ministry of Land and Resources, Guangzhou 510760,China;5.Geological Research Academe of Xinjiang, Urumqi 830011, China
  • Received:2009-06-29 Online:2009-07-26 Published:2006-07-26

摘要:

基于板块构造理论和已有资料的综合研究,建议把北亚造山区南部及其毗邻地区地壳构造单元划分为西伯利亚、哈萨克斯坦、布列亚-佳木斯、塔里木和中朝等5个古板块,每个古板块再可以进一步划分为古陆和古陆缘区,并简要讨论了各个古板块的组成和演化以及蒙古弧、准噶尔盆地基底和北山与毗邻地区关系等几个重大地质构造问题;提出了蒙古-鄂霍茨克碰撞带不是古板块缝合带、华北北缘是一条复合造山带而不是克拉通、在晚古生代存在一个大华北古陆、北亚造山区前身洋盆包括中元古代大陆裂解形成的古太平洋和新元古代大陆裂解形成的古亚洲洋等新认识。

关键词: 北亚造山区, 地壳构造分区, 古板块, 古陆缘, 大华北古陆

Abstract:

Based on plate tectonics theory and synthesis of available geological and geophysical data, the authors suggest that the southern part of Northern Asian orogenic region should be divided into five paleoplates, i. e. Siberian, Kazakstan, Burean-Jiamusi, Tarim and Sino-Korean paleoplates, and each of them may be further subdivided into paleo-intracontinental and paleo-pericontinental regions. And then, composition and evolution of those paleo-plates, and several other issues such as Mongolian arch tectonics, basement of Junggar basin, and tectonic division of Beishan area and its connection to adjiacent areas are briefly discussed. Some new ideas are put forwards, which include that the Inner Mongolian geological axis should be a composite orogenic belt, that the Mongol-Okhotsk orogenic belt is not a suture between paleoplates, that there was a Great North China continent in the Late Paleozoic, and that precursors, paleo-oceans include the Paleo-Pacific ocean which occurred following the super-continental disintegration in the Early Meso-Proterozoic and the Paleo-Asian ocean opened in the Late Neoproterozoic.

Key words: Northern Asian orogenic region, crustal tectonic division, paleo-plates, paleo-continental margins, Great North China paleo-continent

中图分类号: 

  • P548
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