气候变化领域集成服务门户(CCPortal): Formation and re-o of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene

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DOI	10.1016/j.palaeo.2020.109851
	Formation and re-o of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene
	Chang H.; Li L.; Qiang X.; Song Y.; Fu C.; Fang X.; An Z.
发表日期	2020
ISSN	0031-0182
卷号	556
英文摘要	The Altyn Tagh Fault (ATF) had formed in Eocene time, however, the temporal evolution of slip along the fault remains elusive, despite its important role in governing growth of the Tibetan Plateau (TP) and evaluating models of continental lithosphere deformation. Here we perform a high-resolution magnetostratigraphic study on Neogene sediments from the Suerkuli Basin, a small basin located between two active strands of the ATF. Results show that both depositional environment and the sedimentation rate changed at about 5.4 and 6 Ma, respectively. Lithofacies shift from conglomerates and sandstones with parallel and cross beddings to mudstones with horizontal bedding, suggesting a sedimentary fluvial to lacustrine depositional environment shift. Even aridification increased over northern China, from the Tarim Basin to the Qaidam Basin, during late Miocene to early Pliocene times, lacustrine deposition had started in the Suerkuli Basin still. We argue that an increase in slip rate along the ATF triggered concurrently forming of the intermontane basin. The inferred timing of increased slip-rate on the ATF coincides with a variation in movement of the Indian Plate relative to Eurasian Plate since Late Miocene-Early Pliocene time. Our work suggests that a re-orientation of crustal shortening and deformation in the northern TP began since late Miocene and supports the idea that the modern boundary of the TP orogen had rejuvenated to adjust deformation in plate boundary conditions. © 2020 Elsevier B.V.
英文关键词	Altyn Tagh Fault; Climatic change; Depositional environment; Magnetostratigraphy; Pull-apart basin; Sedimentation rate
语种	英语
scopus关键词	continental lithosphere; crustal shortening; deformation mechanism; Eocene; Eurasian plate; Indian plate; lithosphere; lithostratigraphy; magnetostratigraphy; Miocene; Neogene; plate boundary; Pliocene; sandstone; slip rate; temporal evolution; Altun Mountains; Altyn Tagh Fault Zone; China; Qaidam Basin; Qinghai; Qinghai-Xizang Plateau; Qinghai-Xizang Plateau; Tarim Basin; Xinjiang Uygur
来源期刊	Palaeogeography, Palaeoclimatology, Palaeoecology
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/150393
作者单位	State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710075, China; CAS Center for Excellence in Quaternary Science and Global Change, Xi'an, 710075, China; Key Laboratory of Western Mineral Resource and Geological Engineering, Ministry of Education of China, Chang'an University, Xi'an, China; Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 00085, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, 100101, China
推荐引用方式 GB/T 7714	Chang H.,Li L.,Qiang X.,et al. Formation and re-o of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene[J],2020,556.
APA	Chang H..,Li L..,Qiang X..,Song Y..,Fu C..,...&An Z..(2020).Formation and re-o of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene.Palaeogeography, Palaeoclimatology, Palaeoecology,556.
MLA	Chang H.,et al."Formation and re-o of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene".Palaeogeography, Palaeoclimatology, Palaeoecology 556(2020).