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Optical dating of an offset river terrace sequence across the Karakax fault and its implication for the late Quaternary left-lateral slip rate

文献类型：期刊论文

作者Gong, Zhijun1,2; Sun, Jimin2,3; Zhang, Zhiliang2; Fu, Bihong4; Jia, Yingying2
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2017-10-01
卷号147页码:415-423
关键词Optical dating Karakax fault Late Quaternary Slip rate Fluvial terrace
ISSN号1367-9120
DOI10.1016/j.jseaes.2017.07.013
文献子类Article
英文摘要The Karakax fault is one of the largest left-lateral strike-slip faults at the rim of the northwestern Tibetan Plateau. In this study, the optical dating techniques were applied to the Taersayijilega river terraces, which were transversely cut and offset by the Karakax fault. Six fluvial sand samples from the river terraces were collected and dated. The results show that the terraces (T2-T5) have ages of 14.5 +/- 1.0 ka, 21.2 +/- 1.2 ka, 28.5 +/- 1.7 ka and 39.7 +/- 2.5 ka, respectively. By interpreting high resolution satellite images, the horizontal displacements of the four river terraces are estimated at similar to 160 m, similar to 235 m, similar to 260 m and similar to 365 m, respectively. Based on the ages and offsets of the terraces, the average left-lateral slip rate of the Karakax fault was estimated at 7.8 +/- 1.6 mm/a during the late Quaternary. Such rate of the Karakax fault is significantly higher than that of the Longmu-Gozha Co fault, suggesting that the Karalcax fault plays an important role in accommodating eastward movement of the Tibetan Plateau at the northwest during the late Quaternary.
WOS关键词ALTYN-TAGH FAULT ; STIMULATED LUMINESCENCE COMPONENTS ; NORTHERN FORELAND BASIN ; STRIKE-SLIP ; FLUVIAL SEDIMENTS ; DUNE SANDS ; TIAN-SHAN ; ENVIRONMENTAL-CHANGES ; TIBETAN PLATEAU ; KARAKORAM FAULT
WOS研究方向Geology
语种英语
WOS记录号WOS:000413125600030
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Nature Science Foundation for Young Scientists of China(41402162 ; Chinese Academy of Sciences(XDB03020500) ; National Basic Research Program of China(2013CB956400) ; National Nature Science Foundation of China(41290251 ; Key Laboratory Breeding Base of Nuclear Resources and Environment from East China University of Technology(NRE1607) ; 2015) ; 41272203) ; National Nature Science Foundation for Young Scientists of China(41402162 ; Chinese Academy of Sciences(XDB03020500) ; National Basic Research Program of China(2013CB956400) ; National Nature Science Foundation of China(41290251 ; Key Laboratory Breeding Base of Nuclear Resources and Environment from East China University of Technology(NRE1607) ; 2015) ; 41272203) ; National Nature Science Foundation for Young Scientists of China(41402162 ; Chinese Academy of Sciences(XDB03020500) ; National Basic Research Program of China(2013CB956400) ; National Nature Science Foundation of China(41290251 ; Key Laboratory Breeding Base of Nuclear Resources and Environment from East China University of Technology(NRE1607) ; 2015) ; 41272203) ; National Nature Science Foundation for Young Scientists of China(41402162 ; Chinese Academy of Sciences(XDB03020500) ; National Basic Research Program of China(2013CB956400) ; National Nature Science Foundation of China(41290251 ; Key Laboratory Breeding Base of Nuclear Resources and Environment from East China University of Technology(NRE1607) ; 2015) ; 41272203)
源URL[http://ir.iggcas.ac.cn/handle/132A11/62007]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Gong, Zhijun
作者单位1.East China Univ Technol, State Key Lab Breeding Base Nucl Resources & Envi, Nanchang 330013, Jiangxi, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, POB 9825, Beijing 100029, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Kashgar Res Ctr, Beijing 100094, Peoples R China
推荐引用方式
GB/T 7714		 Gong, Zhijun,Sun, Jimin,Zhang, Zhiliang,et al. Optical dating of an offset river terrace sequence across the Karakax fault and its implication for the late Quaternary left-lateral slip rate[J]. JOURNAL OF ASIAN EARTH SCIENCES,2017,147:415-423.
APA Gong, Zhijun,Sun, Jimin,Zhang, Zhiliang,Fu, Bihong,&Jia, Yingying.(2017).Optical dating of an offset river terrace sequence across the Karakax fault and its implication for the late Quaternary left-lateral slip rate.JOURNAL OF ASIAN EARTH SCIENCES,147,415-423.
MLA Gong, Zhijun,et al."Optical dating of an offset river terrace sequence across the Karakax fault and its implication for the late Quaternary left-lateral slip rate".JOURNAL OF ASIAN EARTH SCIENCES 147(2017):415-423.

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来源：地质与地球物理研究所

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