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内蒙古中部大青山地区推覆构造系统及与断层相关的褶皱

杜菊民, 张庆龙, 李洪喜, 杜松金, 徐士银, 赵世龙, 解国爱

杜菊民, 张庆龙, 李洪喜, 杜松金, 徐士银, 赵世龙, 解国爱. 2005: 内蒙古中部大青山地区推覆构造系统及与断层相关的褶皱. 地质通报, 24(7): 660-664.
引用本文: 杜菊民, 张庆龙, 李洪喜, 杜松金, 徐士银, 赵世龙, 解国爱. 2005: 内蒙古中部大青山地区推覆构造系统及与断层相关的褶皱. 地质通报, 24(7): 660-664.
DU Jumin, ZHANG Qinglong, LI Hongxi, DU Songjin, XU Shiyin, ZHAO Shilong, XIE Guoai. 2005: Nappe structure and fault-related folds in the Daqing Mountains, central Inner Mongolia, China.. Geological Bulletin of China, 24(7): 660-664.
Citation: DU Jumin, ZHANG Qinglong, LI Hongxi, DU Songjin, XU Shiyin, ZHAO Shilong, XIE Guoai. 2005: Nappe structure and fault-related folds in the Daqing Mountains, central Inner Mongolia, China.. Geological Bulletin of China, 24(7): 660-664.

内蒙古中部大青山地区推覆构造系统及与断层相关的褶皱

基金项目: 国家重点科技攻关项目《鄂尔多斯盆地及其外缘构造发育对大中型气田形成的作用》(编号:96-110-01-05-09)资助。

Nappe structure and fault-related folds in the Daqing Mountains, central Inner Mongolia, China.

  • 摘要: 对内蒙古大青山地区西部推覆构造及与断层相关的褶皱的研究表明,大青山构造系统自南向北分为根部逆冲推覆岩席带、中部斜歪倒转褶皱-逆冲断层带和前缘断层相关褶皱带,变形强度由根带向前缘带逐渐减弱,前缘带发育典型的断层转折褶皱和断层传播褶皱。推覆构造运动方向由SSE向NNW推覆,主要形成于中侏罗世末期,推覆距离达10~20km,其形成可能与鄂霍次克洋在燕山期的闭合有关。
    Abstract: Study of the Nappe structure and fault- related folds in the western Daqing Mountains, Inner Mongolia, indicates that the Daqingshan tectonic system consists from south to north of the thrust nappe sheet zone at the root, inclined-overturned folds and thrust belt in the central part and fault-related fold belt in the front. The deformation intensity weakened form the root zone to the front zone. The typical fault bend folds and fault propagation folds are developed in the front belt. The nappe structure is NNW-vergent, formed mainly at the end of the Middle Jurassic, with a displacement of 10-20 km, and its formation is probably related to the closure of the Okhotsk Ocean in Yanshan phase.
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出版历程
  • 修回日期:  2004-09-19

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