Arid
DOI10.1016/j.epsl.2014.09.026
Provenance of the upper Miocene-Pliocene Red Clay deposits of the Chinese loess plateau
Nie, Junsheng1,2,3; Peng, Wenbin1; Moeller, Andreas3; Song, Yougui2; Stockli, Daniel F.4; Stevens, Thomas5; Horton, Brian K.6,7; Liu, Shanpin1; Bird, Anna8; Oalmann, Jeffrey3; Gong, Hujun9; Fang, Xiaomin10
通讯作者Nie, Junsheng
来源期刊EARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
EISSN1385-013X
出版年2014
卷号407页码:35-47
英文摘要

A clear understanding of the provenance of late Cenozoic Chinese loess and the underlying Red Clay deposits will shed light on the history and mechanisms of Asian aridification. Although much progress has been made in understanding the source of Quaternary loess on the Chinese Loess Plateau (CLP), the provenance of the underlying upper Miocene-Pliocene Red Clay sequence is largely unknown. Here we present the first provenance history of the Red Clay sequence based on zircon U-Pb ages from the central CLP. Visual and statistical analyses of the U-Pb age populations and comparison with results from potential source regions reveals that (I) the lowermost Red Clay of the late Miocene (depositional age of similar to 8 Ma) is likely sourced from the nearby Liupan Mountains and the Qaidam Basin; (2) the middle Red Clay (5.5-4 Ma) of the early-mid Pliocene is sourced mainly from the Taklamakan desert, transported via lower-level westerly winds; (3) the upper Red Clay of the late Pliocene (similar to 3 Ma) is sourced from mixed areas, although western source materials from middle-northern Tibetan plateau (including Qaidam Desert sediments and materials eroded from the Qilian Mountains) sediments appear to dominate; and (4) the Quaternary loess is also sourced from mixed source regions, albeit with dominant northern CLP proximal desert sediments transported via winter monsoon winds, which in turn may be transported from mountain source regions of the northeastern Tibet and Gobi Altai via major river systems. This long term shift in sources suggests a progressive eastward aridification during the Pliocene in Asia with the specific timing of provenance shifts synchronous with large-scale climatic transitions and Tibetan uplift, demonstrating that Asian desertification is controlled by both factors. (C) 2014 Elsevier B.V. All rights reserved.


英文关键词provenance Red Clay loess Pliocene U-Pb geochronology zircon
类型Article
语种英语
国家Peoples R China ; USA ; Sweden ; England
收录类别SCI-E
WOS记录号WOS:000345179300004
WOS关键词RESOLUTION MAGNETO STRATIGRAPHY ; NORTHEASTERN TIBETAN PLATEAU ; U-PB AGES ; QAIDAM BASIN ; GRAIN-SIZE ; NORTHERN CHINA ; PALEOCLIMATIC SIGNIFICANCE ; ATMOSPHERIC CIRCULATION ; SURROUNDING REGIONS ; TECTONIC EVOLUTION
WOS类目Geochemistry & Geophysics
WOS研究方向Geochemistry & Geophysics
来源机构兰州大学 ; 中国科学院地球环境研究所 ; 中国科学院青藏高原研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/181588
作者单位1.Lanzhou Univ, Collaborat Innovat Ctr Arid Environm & Climate Ch, MOE Key Lab Western Chinas Environm Syst, Lanzhou 73000, Peoples R China;
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China;
3.Univ Kansas, Dept Geol, Lawrence, KS 66045 USA;
4.Univ Texas Austin, Jackson Sch Geosci, Dept Geol Sci, Austin, TX 78712 USA;
5.Uppsala Univ, Dept Earth Sci, S-75236 Uppsala, Sweden;
6.Univ Texas Austin, Jackson Sch Geosci, Dept Geol Sci, Austin, TX 78712 USA;
7.Univ Texas Austin, Jackson Sch Geosci, Inst Geophys, Austin, TX 78712 USA;
8.Univ Hull, Dept Geog Environm & Earth Sci, Kingston Upon Hull HU6 7RX, N Humberside, England;
9.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Xian 710069, Peoples R China;
10.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100085, Peoples R China
推荐引用方式
GB/T 7714
Nie, Junsheng,Peng, Wenbin,Moeller, Andreas,et al. Provenance of the upper Miocene-Pliocene Red Clay deposits of the Chinese loess plateau[J]. 兰州大学, 中国科学院地球环境研究所, 中国科学院青藏高原研究所,2014,407:35-47.
APA Nie, Junsheng.,Peng, Wenbin.,Moeller, Andreas.,Song, Yougui.,Stockli, Daniel F..,...&Fang, Xiaomin.(2014).Provenance of the upper Miocene-Pliocene Red Clay deposits of the Chinese loess plateau.EARTH AND PLANETARY SCIENCE LETTERS,407,35-47.
MLA Nie, Junsheng,et al."Provenance of the upper Miocene-Pliocene Red Clay deposits of the Chinese loess plateau".EARTH AND PLANETARY SCIENCE LETTERS 407(2014):35-47.
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