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首页> 外文期刊>Geological Journal >Early Mesozoic intracontinental deformation in the eastern North China Block: Implication for an indentation model of North China to South China blocks
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Early Mesozoic intracontinental deformation in the eastern North China Block: Implication for an indentation model of North China to South China blocks

机译：华北地区早期中生代肿瘤内变形：对华北地区对华南区块的缩进模型的影响

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摘要

The Qinling-Dabie-Sulu Orogen was formed by the collision of the North and South China blocks during the Indosinian Period. The intracontinental deformation was subsequently developed during the Late Triassic to Early Jurassic in the northeastern, eastern, and southeastern parts of eastern North China Block with different structural patterns. In this paper, we present structural analysis of the Indosinian deformation in the western Shandong and southern Liaoning provinces and synthesized the previous studies of the Triassic-Early Jurassic deformation in different areas of the eastern North China Block, from the northeastern, central to southeastern parts. Integrating the previous studies of petrology, geochronology, and geophysics, we suggested that (1) a series of top-to-the-northwest thrust-nappes were formed in the Sulu Orogen, and the southeastward antithetic faults developed in the South China Block. In the eastern North China Block, the Indosinian intracontinental deformation is intensely developed near the orogenic belt as thrust-nappes and away from the belt developed open folds. (2) The present-day structural lines in the northeastern, central, and southeastern parts of eastern North China Block show the S-N-, E-W-, and NE-trending lines, respectively. It could be the structural response to the dynamics of an orocline or indentation induced by Triassic collision of the North and South China blocks; (3) the eastern margin of the North China Block subducted southeastward beneath the South China Block along the Wulian-Qingdao-Yantai Fault during the Indosinian Period.
机译：Qinling-dabie-sulu orogen是通过在印度尼亚时期的北方和华南区块的碰撞形成的。随后在东北，东部和东南部地区的早期侏罗纪在东北，东南部地区的早期侏罗纪开发了内部变形，具有不同的结构模式。在本文中，我们展示了山东西部和辽宁省南部南部的印透视变形的结构分析，并综合了东南部地区东南部地区不同地区三叠纪侏罗纪变形的先前研究。整合了先前的岩石学，地理学和地球物理学研究，我们建议（1）苏尔奥利根组成的一系列顶到 - 西北推力 - Nappes，以及在南部南部的东南抗静性断裂。在华北地区，印塞氏肠道变形在敌人的皮带附近强烈地发育，因为推动式腹部和远离皮带开发开放折叠。 （2）东北部，中央和东北地区东南部的现今结构线分别显示S-N - ，E-W-和NE趋势线。这可能是对北方和华南地区三叠纪碰撞引起的orocline或压痕动态的结构响应; （3）北方华北地区东南部地下的东南部地下介绍在印度人期间的五莲省烟台断层。

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  • 来源
    《Geological Journal》 |2017年第1期|共14页
  • 作者

    Lan Haoyuan; Li Sanzhong; Li Xiyao; Wang Pengcheng; Somerville Ian D.; Guo Lingli; Wang Qian; Guo Runhua; Zhang Jian; Tao Jianli;

  • 作者单位

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Univ Coll Dublin Sch Earth Sci Dublin Ireland;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

    Ocean Univ China Key Lab Submarine Geosci &

    Prospecting Tech Minist Educ Qingdao 266100 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 地质学;
  • 关键词

    Early Mesozoic; indentation; intracontinental deformation; North China Block; subduction polarity;

    机译：早期中生代;缩进;脑内变形;华北区块;俯冲极性;

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