Late cenozoic systematic left-lateral stream deflections along the Ganzi-Yushu fault, Xianshuihe fault system, eastern Tibet

doi:10.2747/0020-6814.50.7.624

	Late cenozoic systematic left-lateral stream deflections along the Ganzi-Yushu fault, Xianshuihe fault system, eastern Tibet
	Wang Shifeng 1; Erchie, Wang 1,2; Fang Xiaomin 1; Fu Bihong 2
刊名	INTERNATIONAL GEOLOGY REVIEW
	2008-07-01
卷号	50 期号:7 页码:624-635
ISSN号	0020-6814
DOI	10.2747/0020-6814.50.7.624
文献子类	Article
英文摘要	The Xianshuihe fault system (XSF) is one of the most active faults in eastern Tibet, China. In this Study, we document the distribution of stream deflections along the Ganzi-Yushu segment of the XSF at scales of 2.5 in to 80 km. The total offset along this fault suggests that left-lateral movement began at similar to 8-5.6 Ma if the Holocene slip rate has remained steady over this time interval. From Dengke in the southeast to Dangjiang in the northwest along the Ganzi-Yushu fault, the documented total geological offset decreases from similar to 80 to similar to 39 km, whereas the deflections of the Yalong. Batang,, Jielong, and Dangjiang rivers, almost all of which initiated around early Quaternary time, show gradually decreasing offsets from 30 +/- 2 km to 16 +/- 1 km in the same direction. This implies that about 41 km and 14 km offset are accommodated by transtensional and transpresional structures such as pull-apart basins and thrust faults along different parts of the fault at different times; this is also consistent with a northwestward decrease in the Holocene slip rate along the XSF, from 10 to 14 mm/yr around Dengke to similar to 7 mm/yr around Dangjiang. Thus the spatial and temporal evolution of stream patterns along the XSF supports the hypothesis that the tectonic evolution of eastern Tibet is largely characterized by distributed deformation.
WOS关键词	NORTHERN TIBET ; KUNLUN FAULT ; CHINA ; ZONE ; ASIA ; DEFORMATION ; TECTONICS ; COLLISION ; PLATEAU ; SICHUAN
WOS研究方向	Geology
语种	英语
出版者	TAYLOR & FRANCIS INC
WOS记录号	WOS:000257171200002
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/68922]
专题	中国科学院地质与地球物理研究所
通讯作者	Wang Shifeng
作者单位	1.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Wang Shifeng,Erchie, Wang,Fang Xiaomin,et al. Late cenozoic systematic left-lateral stream deflections along the Ganzi-Yushu fault, Xianshuihe fault system, eastern Tibet[J]. INTERNATIONAL GEOLOGY REVIEW,2008,50(7):624-635.
APA	Wang Shifeng,Erchie, Wang,Fang Xiaomin,&Fu Bihong.(2008).Late cenozoic systematic left-lateral stream deflections along the Ganzi-Yushu fault, Xianshuihe fault system, eastern Tibet.INTERNATIONAL GEOLOGY REVIEW,50(7),624-635.
MLA	Wang Shifeng,et al."Late cenozoic systematic left-lateral stream deflections along the Ganzi-Yushu fault, Xianshuihe fault system, eastern Tibet".INTERNATIONAL GEOLOGY REVIEW 50.7(2008):624-635.