Coal Science and Technology. 2014, (07) Core

Analysis on Tectonic Characteristics and Tectonic Stress Field in Baode AreaChinese Full Text

YANG-Fan;YANG Xiu-chun;JIANG Bo;ZHOU Ke;CHEN Cai-hong;School of Resources and Earth Science,China University of Mining ＆ Technology;Ministry of Education Key Laboratory of,CBM Resources and Reservoir Formation Process;PetroChina Coalbed Methane Company Limited;

Abstract: Taking Baode Area on the eastern edge of Erdos Basin as an example,using stereographic projection method for level correction,comparing the principal stress orientation before and after restoration of level correction,the regional tectonic stress field was determined.The results show that the regional tectonic features and tectonic movement stress field evolution have good consistency,the regional tectonic stress field is mainly influenced by the Yanshan movement and Himalaya movement,Yanshan tectonic stress field established main tectonic research area of the frame. It’s mainly influenced by extrusion stress,supplemented by tensile stress,and also developed the NW-SE extrusion stress and tensile stress in NEE-SWW direction,extrusion should have caused the cover slip phenomenon of power in this region,formed a series of parallel folds and thrust faults in the region development. Some direction of NW-SE normal faults can be found,and tectonic stress field in Himalaya is mainly influenced by extrusion stress. Principal compressive stress directions is NE-SW,superposition of two stages of tectonic movements caused the eastern tectonic deflection region from NW-SE to NE-SE. The formation and development of the pattern and the eastern boundary zone are closely related.

Keywords：

tectonic stress field; level correction; .structural degeneration characteristic; red flat projection;

DOI：
10.13199/j.cnki.cst.2014.07.024
Series：
Subject：
Classification Code：
P548;P553

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Analysis on Tectonic Characteristics and Tectonic Stress Field in Baode AreaChinese Full Text

YANG-Fan;YANG Xiu-chun;JIANG Bo;ZHOU Ke;CHEN Cai-hong;School of Resources and Earth Science,China University of Mining ＆ Technology;Ministry of Education Key Laboratory of,CBM Resources and Reservoir Formation Process;PetroChina Coalbed Methane Company Limited;

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