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High-resolution late Pliocene-quaternary magnetostratigraphy of the Yinchuan Basin, NE Tibetan Plateau
Ma, Xuedong1; Yin, Gongming2; Wei, Chuanyi2; Qiang, Xiaoke3; Ma, Yuxue1; Liu, Chunru2; Zhao, Zhipeng4; Gong, Liang1; Wang, Libin2; Ji, Hao2; Bai, Minghui1; Mao, Jun1; Li, Guoqing5
Corresponding AuthorWei, Chuanyi(chuanyiwei@ies.ac.cn) ; Qiang, Xiaoke(qiangxk@loess.llqg.ac.cn)
2022-01-10
Source PublicationQUATERNARY INTERNATIONAL
ISSN1040-6182
Volume607Pages:120-127
AbstractThe Yinchuan Basin, one of the most important basins in the area adjacent to the northeastern Tibetan Plateau, contains a continuous sequence of fluvio-lacustrine deposits, which makes it an ideal area to study the in-teractions between the Tibetan Plateau uplift, climate change, and geomorphological evolution. Here, a 1200-m -deep drill core (YNZK01) is described with an average recovery rate of 96% in the depo-center of the Yinchuan Basin to establish a high-resolution palaeoenvironmental and tectonic reconstruction. Stepwise alternating-field demagnetization results showed a stable and high-qualified remanent magnetization of the samples. The polarity sequences consisted of 8 normal and 8 reverse zones that correlate well with the geomagnetic polarity timescale. Magnetostratigraphic results date the entire YNZK01 core from 3.927 Ma to the present. The B/M boundary (0.781 Ma) is at a depth of 246.4 m while the M/G boundary (2.581 Ma) is at a depth of 863.4 m. The G/Gi boundary (3.596 Ma) is identified at 1117.8 m and the bottom of the core was extrapolated to 3.927 Ma (1201 m) with an average sedimentation rate of 863.4-1117.8 m. This high-resolution magnetostratigraphy record pro -vides a baseline chronological framework for further research and publications on the tectonic, paleoclimatic, and paleoenvironmental proxy data of the YNZK01 core in the Yinchuan Basin, NE Tibetan Plateau.
KeywordNortheastern Tibetan plateau Yinchuan basin Late pliocene-quaternary Fluvio-lacustrine sediment Magnetostratigraphy
DOI10.1016/j.quaint.2021.09.009
WOS KeywordEVOLUTION ; UPLIFT ; PL02
Indexed BySCI ; SCI
Language英语
Funding ProjectNingxia Geological Exploration[HZ20170040-I] ; project of Urban geological survey in the yinchuan metropolitan area[[2017] 320] ; National Natural Science Foundation of China[41772185] ; National Nonprofit Fundamental Research Grant of China, Institute of Geology, China, Earthquake Administration[IGCEA2015] ; National Nonprofit Fundamental Research Grant of China, Institute of Geology, China, Earthquake Administration[IGCEA1908]
WOS Research AreaPhysical Geography ; Geology
Funding OrganizationNingxia Geological Exploration ; project of Urban geological survey in the yinchuan metropolitan area ; National Natural Science Foundation of China ; National Nonprofit Fundamental Research Grant of China, Institute of Geology, China, Earthquake Administration
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000718035100006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/17242
Collection古环境研究室
Corresponding AuthorWei, Chuanyi; Qiang, Xiaoke
Affiliation1.Ningxia Inst Geol Survey, Yinchuan 750021, Ningxia, Peoples R China
2.China Earthquake Adm, State Key Lab Earthquake Dynam, Inst Geol, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
4.Geol Bur Ningxia Hui Autonomous Reg, Yinchuan 750021, Ningxia, Peoples R China
5.China Univ Geosci, Inst Geophys & Geomat, Wuhan 430074, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Ma, Xuedong,Yin, Gongming,Wei, Chuanyi,et al. High-resolution late Pliocene-quaternary magnetostratigraphy of the Yinchuan Basin, NE Tibetan Plateau[J]. QUATERNARY INTERNATIONAL,2022,607:120-127.
APA Ma, Xuedong.,Yin, Gongming.,Wei, Chuanyi.,Qiang, Xiaoke.,Ma, Yuxue.,...&Li, Guoqing.(2022).High-resolution late Pliocene-quaternary magnetostratigraphy of the Yinchuan Basin, NE Tibetan Plateau.QUATERNARY INTERNATIONAL,607,120-127.
MLA Ma, Xuedong,et al."High-resolution late Pliocene-quaternary magnetostratigraphy of the Yinchuan Basin, NE Tibetan Plateau".QUATERNARY INTERNATIONAL 607(2022):120-127.
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