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Late Cenozoic tectonic activity of the Altyn Tagh range: Constraints from sedimentary records from the Western Qaidam Basin, NE Tibetan Plateau
Zhang, Tao1,2; Fang, Xiaomin1,2,3; Wang, Yadong4; Song, Chunhui5,6; Zhang, Weilin1,2; Yan, Maodu1,2; Han, Wenxia7; Zhang, Dawen1,2
2018-07-10
Source PublicationTECTONOPHYSICS
Volume737Pages:40-56
SubtypeArticle
AbstractThe Altyn Tagh range (ATR) is the northern geological boundary of the Tibetan Plateau and plays a key role in accommodating its Cenozoic lithospheric deformation. However, knowledge of the structural style and age of uplift of the ATR is limited and controversial. The Qaidam Basin, in the southeast side of the ATR, provides an outstanding field laboratory for understanding the history and mechanisms of ATR growth. This study presents a detailed sedimentological analysis of a 1040-m-thick late Cenozoic (similar to 17-5.0 Ma) sedimentary sequence from the western Qaidam Basin, together with the analysis of sedimentological data from nearby boreholes and sections. Our aims were to determine the spatiotemporal evolution of the sedimentary sequences in the study area and to explore their response to late Cenozoic tectonic activity in the ATR. The results show three major intervals of the sedimentary characteristics in the study area: similar to > 17-16 Ma, 10 Ma and < 5 Ma, which are closely related to the development of unconformities and growth strata recorded by high-resolution seismic reflection profiles. Combining the results with a comprehensive provenance analysis and with published records of regional climate change and tectonic activity, we discuss the possible factors responsible for the variations in the sedimentary characteristics of the studied sections. We conclude that significant tectonic responses in the western Qaidam Basin during the late Cenozoic were caused by three stages of tectonic activity of the ATR, at similar to > 17-16 Ma, similar to 16-10 Ma and similar to 10 Ma, during which the ATR respectively experienced tectonic uplift, fast strike-slip motion and intense uplift.
KeywordSedimentary Records Tectonic Activity Late Cenozoic Altyn Tagh Range Qaidam Basin
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordRESOLUTION MAGNETO STRATIGRAPHY ; U-PB GEOCHRONOLOGY ; CLIMATE-CHANGE ; QILIAN SHAN ; NORTHERN TIBET ; CENTRAL-ASIA ; ALTUN SHAN ; EXHUMATION HISTORY ; QINGHAI PROVINCE ; NORTHWEST CHINA
Indexed BySCI
Language英语
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000435049400003
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6695
Collection中国科学院青海盐湖研究所
Corresponding AuthorZhang, Tao
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Gansu Prov Key Lab Petr Resources, Lanzhou 730000, Gansu, Peoples R China
5.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Gansu, Peoples R China
6.Lanzhou Univ, Key Lab Western Chinas Mineral Resources Gansu Pr, Lanzhou 730000, Gansu, Peoples R China
7.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Geol & Environm Qinghai Prov, Xining 810008, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Tao,Fang, Xiaomin,Wang, Yadong,et al. Late Cenozoic tectonic activity of the Altyn Tagh range: Constraints from sedimentary records from the Western Qaidam Basin, NE Tibetan Plateau[J]. TECTONOPHYSICS,2018,737:40-56.
APA Zhang, Tao.,Fang, Xiaomin.,Wang, Yadong.,Song, Chunhui.,Zhang, Weilin.,...&Zhang, Dawen.(2018).Late Cenozoic tectonic activity of the Altyn Tagh range: Constraints from sedimentary records from the Western Qaidam Basin, NE Tibetan Plateau.TECTONOPHYSICS,737,40-56.
MLA Zhang, Tao,et al."Late Cenozoic tectonic activity of the Altyn Tagh range: Constraints from sedimentary records from the Western Qaidam Basin, NE Tibetan Plateau".TECTONOPHYSICS 737(2018):40-56.
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