气候变化领域集成服务门户(CCPortal): Accommodation of India-Asia convergence via strike-slip faulting and block rotation in the Qilian Shan fold-thrust belt, northern margin of the Tibetan Plateau

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DOI	10.1144/jgs2020-207
	Accommodation of India-Asia convergence via strike-slip faulting and block rotation in the Qilian Shan fold-thrust belt, northern margin of the Tibetan Plateau
	Cheng, Feng; Zuza, Andrew V.; Haproff, Peter J.; Wu, Chen; Neudorf, Christina; Chang, Hong; Li, Xiangzhong; Li, Bing
通讯作者	Cheng, F (通讯作者)
发表日期	2021
ISSN	0016-7649
EISSN	2041-479X
卷号	178 期号:3
英文摘要	Existing models of intracontinental deformation have focused on plate-like rigid body motion v. viscous-flow-like distributed deformation. To elucidate how plate convergence is accommodated by intracontinental strike-slip faulting and block rotation within a fold-thrust belt, we examine the Cenozoic structural framework of the central Qilian Shan of northeastern Tibet, where the NW-striking, right-slip Elashan and Riyueshan faults terminate at the WNW-striking, left-slip Haiyuan and Kunlun faults. Field- and satellite-based observations of discrete right-slip fault segments, releasing bends, horsetail termination splays and off-fault normal faulting suggest that the right-slip faults accommodate block rotation and distributed west-east crustal stretching between the Haiyuan and Kunlun faults. Luminescence dating of offset terrace risers along the Riyueshan fault yields a Quaternary slip rate of c. 1.1 mm a(-1), which is similar to previous estimates. By integrating our results with regional deformation constraints, we propose that the pattern of Cenozoic deformation in northeastern Tibet is compatible with west-east crustal stretching/lateral displacement, non-rigid off-fault deformation and broad clockwise rotation and bookshelf faulting, which together accommodate NE-SW India-Asia convergence. In this model, the faults represent strain localization that approximates continuum deformation during regional clockwise lithospheric flow against the rigid Eurasian continent. Supplementary material: Luminescence dating procedures and protocols is available at Thematic collection: This article is part of the Fold-and-thrust belts and associated basins collection available at:
关键词	ALTYN-TAGH FAULT U-PB GEOCHRONOLOGY CENOZOIC TECTONIC EVOLUTION WESTERN HAIYUAN FAULT QAIDAM BASIN HEXI CORRIDOR KUNLUN FAULT NORTHEASTERN MARGIN CONTINENTAL DEFORMATION NORTHWARD GROWTH
语种	英语
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:000624134500001
来源期刊	JOURNAL OF THE GEOLOGICAL SOCIETY
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/260521
推荐引用方式 GB/T 7714	Cheng, Feng,Zuza, Andrew V.,Haproff, Peter J.,et al. Accommodation of India-Asia convergence via strike-slip faulting and block rotation in the Qilian Shan fold-thrust belt, northern margin of the Tibetan Plateau[J]. 中国科学院青藏高原研究所,2021,178(3).
APA	Cheng, Feng.,Zuza, Andrew V..,Haproff, Peter J..,Wu, Chen.,Neudorf, Christina.,...&Li, Bing.(2021).Accommodation of India-Asia convergence via strike-slip faulting and block rotation in the Qilian Shan fold-thrust belt, northern margin of the Tibetan Plateau.JOURNAL OF THE GEOLOGICAL SOCIETY,178(3).
MLA	Cheng, Feng,et al."Accommodation of India-Asia convergence via strike-slip faulting and block rotation in the Qilian Shan fold-thrust belt, northern margin of the Tibetan Plateau".JOURNAL OF THE GEOLOGICAL SOCIETY 178.3(2021).