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
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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 |
DOI | 10.1016/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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