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Formation and re-orientation of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene
Chang, Hong1,2; Li, Leyi1; Qiang, Xiaoke1,2; Song, Yougui1,2; Fu, Chaofeng3; Fang, Xiaomin4,5; An, Zhisheng1,2
通讯作者Chang, Hong(changh@loess.llqg.ac.cn)
2020-10-15
发表期刊PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
卷号556页码:17
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.
关键词Altyn Tagh Fault Depositional environment Magnetostratigraphy Sedimentation rate Climatic change Pull-apart basin
DOI10.1016/j.palaeo.2020.109851
关键词[WOS]APATITE FISSION-TRACK ; RESOLUTION MAGNETO STRATIGRAPHY ; CENOZOIC TECTONIC EVOLUTION ; NORTHERN QAIDAM BASIN ; QUATERNARY SLIP RATE ; PULL-APART BASIN ; CLIMATE-CHANGE ; TARIM BASIN ; FAULT SYSTEM ; ENVIRONMENTAL-CHANGES
收录类别SCI ; SCI
语种英语
资助项目Second Tibetan Plateau Scientific Expedition (STEP) program[2019QZKK0707] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB40010100] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41572166] ; National Natural Science Foundation of China[41420104008]
WOS研究方向Physical Geography ; Geology ; Paleontology
项目资助者Second Tibetan Plateau Scientific Expedition (STEP) program ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS类目Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号WOS:000561370700002
出版者ELSEVIER
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/15210
专题古环境研究室
通讯作者Chang, Hong
作者单位1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
2.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710075, Peoples R China
3.Changan Univ, Key Lab Western Mineral Resource & Geol Engn, Minist Educ China, Xian, Peoples R China
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 00085, Peoples R China
5.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
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Chang, Hong,Li, Leyi,Qiang, Xiaoke,et al. Formation and re-orientation of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2020,556:17.
APA Chang, Hong.,Li, Leyi.,Qiang, Xiaoke.,Song, Yougui.,Fu, Chaofeng.,...&An, Zhisheng.(2020).Formation and re-orientation of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,556,17.
MLA Chang, Hong,et al."Formation and re-orientation of the Suerkuli Basin within the Altyn Tagh in northeastern Tibetan Plateau since late Miocene".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 556(2020):17.
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