IOCAS-IR  > 海洋地质与环境重点实验室
Birth of the Pearl River at 30 Ma: Evidence from sedimentary records in the northern South China Sea
Jin, Hualong1,3; Wan, Shiming1,2,4; Clift, Peter D.5; Liu, Chang6; Huang, Jie1; Jiang, Shijun7; Li, Mengjun1; Qin, Lin1; Shi, Xuefa8; Li, Anchun1
2022-12-15
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
Volume600Pages:11
Corresponding AuthorWan, Shiming(wanshiming@ms.qdio.ac.cn)
AbstractThe Pearl River drains the South China Block and delivers large amounts of sediments to the northern South China Sea, and its development can be closely linked to the regional paleoenvironmental changes. However, the evolutionary history of the Pearl River has been poorly understood, mainly because of the lack of continuous and high-resolution sedimentary records over a long geological time. In this study, we present multiple new analytical results, including clay mineral assemblages and Sr-Nd isotopic compositions of the <2 mu m siliciclastic sediments, from the latest deep sea drilling core in the northern South China Sea from International Ocean Discovery Program (IODP) Site U1501. We aim to reconstruct the evolutionary history of the Pearl River by tracing changes in clay mineral assemblages and Sr-Nd isotopic compositions. Provenance analysis indicates that the sediment source experienced a significant change between 32 and 30 Ma. Specifically, sediments prior to 32 Ma were derived from the southeastern Cathaysia coast, whereas sediments post to 30 Ma were mainly supplied by a proto-Pearl River. This provenance transition indicates that the modern-scale Pearl River has fully developed at least -30 Ma and began to contribute sediments to the northern South China Sea. We additionally compared the timings of major climatic and tectonic events in this region, and suggest that the topographic uplift of the SE Tibetan Plateau most likely drove the large-scale westward expansion of rivers drainage from the coast located in the Cathaysia Block to the interior of Yangtze Block. As a result of this fluvial drainage evolution followed by the development of Pearl River, geochemical and clay mineralogical characteristics of the deposits in the northern South China Sea correspondingly changed.(c) 2022 Elsevier B.V. All rights reserved.
Keywordclay minerals Sr-Nd isotopes sediment provenance Pearl River evolution South China Sea International Ocean Discovery Program
DOI10.1016/j.epsl.2022.117872
Indexed BySCI
Language英语
Funding ProjectNational Natu- ral Science Foundation of China[42125602] ; National Natu- ral Science Foundation of China[42076052] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB40010100] ; Innovation Project of QNLM[2022QNLM050203] ; Innovation Project of QNLM[MGQNLM-KF202001] ; Taishan and Aoshan Talents Program[2017ASTCP-ES01]
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000884688400008
PublisherELSEVIER
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/180348
Collection海洋地质与环境重点实验室
Corresponding AuthorWan, Shiming
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
5.Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 77803 USA
6.Texas A&M Univ, Int Ocean Discovery Program, College Stn, TX 77845 USA
7.Jinan Univ, Inst Groundwater & Earth Sci, Guangzhou 510632, Peoples R China
8.Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jin, Hualong,Wan, Shiming,Clift, Peter D.,et al. Birth of the Pearl River at 30 Ma: Evidence from sedimentary records in the northern South China Sea[J]. EARTH AND PLANETARY SCIENCE LETTERS,2022,600:11.
APA Jin, Hualong.,Wan, Shiming.,Clift, Peter D..,Liu, Chang.,Huang, Jie.,...&Li, Anchun.(2022).Birth of the Pearl River at 30 Ma: Evidence from sedimentary records in the northern South China Sea.EARTH AND PLANETARY SCIENCE LETTERS,600,11.
MLA Jin, Hualong,et al."Birth of the Pearl River at 30 Ma: Evidence from sedimentary records in the northern South China Sea".EARTH AND PLANETARY SCIENCE LETTERS 600(2022):11.
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