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Provenance of Cenozoic Sediments in the Xining Basin Revealed by Nd and Pb Isotopic Evidence: Implications for Tectonic Uplift of the NE Tibetan Plateau

文献类型：期刊论文

作者He, Zhilin4,5; Guo, Zhengtang1,4,5; Yang, Fan4,5; Sayem, Abu Sadat Md2,4,5; Wu, Haibin1,4,5; Zhang, Chunxia1,4; Hao, Qingzhen1,4,5; Xiao, Guoqiao3; Han, Long4,5; Fu, Yang4,5
刊名GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
出版日期2019-10-01
卷号20期号:10页码:4531-4544
DOI10.1029/2019GC008556
英文摘要Constraining the uplift of the northeastern Tibetan Plateau (NETP) is critical for growth models of the plateau and tectonic-climatic interactions during the Cenozoic. The sequence of early Eocene (53 Ma)-early Miocene (16 Ma) clastic sediments deposited in the Xining Basin provides insights into the uplift of the NETP. We used Nd-Pb isotopic composition of the Cenozoic sediments in the Xining Basin to trace sediment sources and hence to infer uplift of the NETP. Provenance analysis indicates that the Qilian Shan was possibly the source area before similar to 50 Ma; the West Qinling became the main source area during similar to 50-39 Ma; and the West Qinling, Qilian Shan, and Laji Shan probably became source areas during similar to 39-30 Ma. During similar to 30-16 Ma, the sediments comprised a two-end-member mixture of detrital materials from the Laji Shan and the Qilian Shan, whereas detrital inputs from the Qilian Shan increased after similar to 22 Ma. Combined with previous studies, our inferred provenance history suggests that (1) part of the Qilian Shan possibly existed before similar to 50 Ma; (2) the West Qinling was uplifted since similar to 50 Ma; (3) part of the Laji Shan was uplifted during similar to 39-30 Ma, and the entire Laji Shan was probably uplifted since similar to 30 Ma, separating the Xining from Xunhua-Linxia basins; and (4) the Qilian Shan was uplifted during the early Miocene, which together with climate change caused erosion and provenance changes. These results suggest that the NETP was uplifted since the early Cenozoic and sizeable parts of the NETP were probably uplifted by the early Miocene.
WOS关键词APATITE FISSION-TRACK ; ALTYN-TAGH FAULT ; QILIAN SHAN ; QAIDAM BASIN ; QINGHAI PROVINCE ; NORTHERN MARGIN ; GUIDE BASIN ; NW CHINA ; EVOLUTION ; GROWTH
资助项目National Natural Science Foundation of China[41690114] ; National Natural Science Foundation of China[41430531] ; National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41722206] ; National Natural Science Foundation of China[41572165]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000493437500001
出版者AMER GEOPHYSICAL UNION
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/95773]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Guo, Zhengtang
作者单位1.CAS Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China
2.Jahangirnagar Univ, Dept Geol Sci, Dhaka, Bangladesh
3.China Univ Geosci, Sch Earth Sci, Wuhan, Hubei, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China
5.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 He, Zhilin,Guo, Zhengtang,Yang, Fan,et al. Provenance of Cenozoic Sediments in the Xining Basin Revealed by Nd and Pb Isotopic Evidence: Implications for Tectonic Uplift of the NE Tibetan Plateau[J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,2019,20(10):4531-4544.
APA He, Zhilin.,Guo, Zhengtang.,Yang, Fan.,Sayem, Abu Sadat Md.,Wu, Haibin.,...&Hu, Bin.(2019).Provenance of Cenozoic Sediments in the Xining Basin Revealed by Nd and Pb Isotopic Evidence: Implications for Tectonic Uplift of the NE Tibetan Plateau.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,20(10),4531-4544.
MLA He, Zhilin,et al."Provenance of Cenozoic Sediments in the Xining Basin Revealed by Nd and Pb Isotopic Evidence: Implications for Tectonic Uplift of the NE Tibetan Plateau".GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 20.10(2019):4531-4544.

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来源：地质与地球物理研究所

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