Jurassic-Early Cenozoic Tectonic Inversion in the Qilian Shan and Qaidam Basin, North Tibet: New Insight From Seismic Reflection, Isopach Mapping, and Drill Core Data
Cheng, Feng1,2,3; Joliver, Marc4; Guo, Zhaojie3; Lu, Huayu5; Zhang, Bo3; Li, Xiangzhong2,6,7; Zhang, Daowei8; Zhang, Changhao8; Zhang, Hanzhi5; Wang, Lin9; Wang, Zhenqiang8; Zhang, Qiquan8
通讯作者Cheng, Feng(cfcf.chengfeng@gmail.com) ; Wang, Lin(linzi@pku.edu.cn)
2019-11-19
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
ISSN2169-9313
页码22
摘要The pre-Cenozoic structural pattern of Asia has had a strong impact on the localization and propagation of the Cenozoic deformation that gave birth to the Tibetan Plateau. Northern Tibet represents a key area to decipher the structural and kinematic links between the Mesozoic and Cenozoic evolution of Tibet. Nonetheless, the Mesozoic tectonic setting of the North Tibet and the role that the Paleozoic inherited Altyn Tagh Fault (ATF) shearing zone played in controlling the regional tectonic pattern during the deposition of the Mesozoic strata remain controversial. This study is based on seismic reflections, isopach maps of the Mesozoic strata in the Qaidam Basin, and provenance analysis using detrital zircon geochronological and heavy mineral contents. Seismic reflections and isopach maps demonstrate that sustained strike-slip motion along the ATF during the Early to Late Jurassic induced transtensional basin formation. Further away from the main ATF (eastern parts of the Qilian Shan and the northern Qaidam Basin), transtension also occurred along major faults, although local transpression developed in relay zones. Rotation in the regional stress field induced compression and basin inversion during the Late Jurassic to Early Cretaceous. The Cenozoic sedimentary rocks in these regions display widespread growth strata and angular unconformities characteristic of compression. This is consistent with topographic changes marked by sediment source variation evidenced by detrital zircon geochronology and heavy mineral analysis. We propose that the mechanism driving the Jurassic extension/transtension in North Tibet could be related to far-field effects of subduction processes along the southern margins of the continent.
关键词tectonic inversion tectonics and landscape evolution northern Tibetan Plateau seismic reflection interpretation provenance analysis extensional tectonics
DOI10.1029/2019JB018086
关键词[WOS]ALTYN-TAGH FAULT ; U-PB GEOCHRONOLOGY ; TIAN-SHAN ; LULEHE FORMATION ; NW CHINA ; PLATEAU CONSTRAINTS ; PROVENANCE ANALYSIS ; EXHUMATION HISTORY ; COOLING HISTORY ; HEXI CORRIDOR
收录类别SCI ; SCI
语种英语
资助项目Key Program of the National Natural Science Foundation of China[41930213] ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, CAS[SKLLQG1701] ; Youth Innovation Promotion Association[XAB2015A01] ; West Light Foundation of Chinese Academy of Sciences[XAB2015A01]
WOS研究方向Geochemistry & Geophysics
项目资助者Key Program of the National Natural Science Foundation of China ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, CAS ; Youth Innovation Promotion Association ; West Light Foundation of Chinese Academy of Sciences
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000497120400001
出版者AMER GEOPHYSICAL UNION
引用统计
被引频次:52[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/361006/12855
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Cheng, Feng; Wang, Lin
作者单位1.Univ Rochester, Dept Earth & Environm Sci, Rochester, NY 14642 USA
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China
3.Peking Univ, Sch Earth & Space Sci, Minist Educ, Key Lab Orogen Belts & Crustal Evolut, Beijing, Peoples R China
4.Univ Rennes, CNRS, Lab Geosci Rennes, UMR6118,Observ Sci Univers, Rennes, France
5.Nanjing Univ, Sch Geog & Ocean Sci, Nanjing, Jiangsu, Peoples R China
6.Yunnan Univ, Res Ctr Earth Syst Sci, Kunming, Yunnan, Peoples R China
7.Yunnan Univ, Yunnan Key Lab Earth Syst Sci, Kunming, Yunnan, Peoples R China
8.Qinghai Oilfield Co, PetroChina, Dunhuang, Peoples R China
9.Peking Univ, Coll Engn, Beijing, Peoples R China
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Cheng, Feng,Joliver, Marc,Guo, Zhaojie,et al. Jurassic-Early Cenozoic Tectonic Inversion in the Qilian Shan and Qaidam Basin, North Tibet: New Insight From Seismic Reflection, Isopach Mapping, and Drill Core Data[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2019:22.
APA Cheng, Feng.,Joliver, Marc.,Guo, Zhaojie.,Lu, Huayu.,Zhang, Bo.,...&Zhang, Qiquan.(2019).Jurassic-Early Cenozoic Tectonic Inversion in the Qilian Shan and Qaidam Basin, North Tibet: New Insight From Seismic Reflection, Isopach Mapping, and Drill Core Data.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,22.
MLA Cheng, Feng,et al."Jurassic-Early Cenozoic Tectonic Inversion in the Qilian Shan and Qaidam Basin, North Tibet: New Insight From Seismic Reflection, Isopach Mapping, and Drill Core Data".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH (2019):22.
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