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Did the Altyn Tagh fault extend beyond the Tibetan Plateau?

文献类型:期刊论文

作者Darby, BJ; Ritts, BD; Yue, YJ; Meng, QR
刊名EARTH AND PLANETARY SCIENCE LETTERS
出版日期2005-12-01
卷号240期号:2页码:425-435
关键词Altyn Tagh Fault Tibet China Alxa Strike-slip Tectonics
ISSN号0012-821X
DOI10.1016/j.epsl.2005.09.011
文献子类Article
英文摘要The pre-Miocene northeastern termination of Altyn Tagh fault is a critical outstanding problem for understanding the mechanics of Cenozoic deformation resultant from the Indo-Asian collision and mechanisms of Tibetan Plateau formation. Structures beyond the widely accepted NE end of the Altyn Tagh fault, near the town of Yumen, are needed in order to accommodate strike-slip deformation related to plate-like lateral extrusion tectonics, but structures with the necessary slip magnitudes and histories have not been identified. We report on a series of newly recognized and documented E to ENE-striking faults within the Alxa block, NE of the Tibetan Plateau, that are visible on remotely sensed images and confirmed by field studies. These structures are demonstrably left-lateral faults based on offset geology and kinematic indicators such as striae and s-c fabrics in fault gouge. The faults have post-Cretaceous offsets of at least tens to possibly >150 km, but limited post-Miocene displacement, constrained by offset sedimentary basins. These characteristics suggest that strike-slip faults of the Alxa region have a similar structural history as the central-eastern Altyn Tagh fault and can provide a mechanism for accommodating Oligocene-Early Miocene extrusion along the Altyn Tagh fault. (C) 2005 Elsevier B.V. All rights reserved.
WOS关键词APATITE FISSION-TRACK ; NORTHWEST CHINA ; NORTHEASTERN MARGIN ; CENOZOIC TECTONICS ; COLLISION ; SYSTEM ; ASIA ; DEFORMATION ; HISTORY ; SEDIMENTATION
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000234470100018
出版者ELSEVIER SCIENCE BV
源URL[http://ir.iggcas.ac.cn/handle/132A11/64970]  
专题中国科学院地质与地球物理研究所
通讯作者Darby, BJ
作者单位1.Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA
2.Indiana Univ, Dept Geol Sci, Bloomington, IN 47405 USA
3.Stanford Univ, Dept Geog & Environm Sci, Stanford, CA 94305 USA
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714
Darby, BJ,Ritts, BD,Yue, YJ,et al. Did the Altyn Tagh fault extend beyond the Tibetan Plateau?[J]. EARTH AND PLANETARY SCIENCE LETTERS,2005,240(2):425-435.
APA Darby, BJ,Ritts, BD,Yue, YJ,&Meng, QR.(2005).Did the Altyn Tagh fault extend beyond the Tibetan Plateau?.EARTH AND PLANETARY SCIENCE LETTERS,240(2),425-435.
MLA Darby, BJ,et al."Did the Altyn Tagh fault extend beyond the Tibetan Plateau?".EARTH AND PLANETARY SCIENCE LETTERS 240.2(2005):425-435.

入库方式: OAI收割

来源:地质与地球物理研究所

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