Arid
DOI10.1016/j.jseaes.2017.02.014
U-Pb ages of detrital zircon and provenances of Red Clay in the Chinese Loess Plateau
Gong, Hujun1,2; Xie, Wenbin1; Zhang, Rui1,2; Zhang, Yunxiang1,2
通讯作者Gong, Hujun
来源期刊JOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
EISSN1878-5786
出版年2017
卷号138页码:495-501
英文摘要

The Chinese Loess Plateau (CLP), which is located in the central part of China, mainly contains two sequences: the Quaternary loess-paleosol sequence and the late Miocene-Pliocene Red Clay sequence. U-Pb ages of detrital zircon from the Quaternary loess-paleosol sequences indicate that the current spatial pattern of central Asian aridification was largely established during the early Quaternary. U-Pb ages of detrital zircon from the underlying Red Clay sequences demonstrate that the northern source regions were important contributors for the dust since the late Miocene, except for the periods of similar to 8 Ma and similar to 5.5 to 4 Ma. These two periods correspond to increased and decreased dust deposition in the North Pacific, respectively, ascribed to the late Miocene aridification of the Qaidam Basin (in the west of the CLP) and the early Pliocene aridification of the Tarim Basin (in the west of the CLP). We attribute the increase of the Qaidam Basin-derived North Pacific dust fluxes to the uplift of the NE Tibetan Plateau. Such uplift also controlled the climatic and environmental changes in central Asian during the late Miocene. This study highlights the dynamical process of the central Asian aridification during the late Miocene-Pliocene. (C) 2017 Elsevier Ltd. All rights reserved.


英文关键词U-Pb ages Detrital zircons Chinese Loess Plateau Acidification North Pacific dust
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000401376300037
WOS关键词RESOLUTION MAGNETO STRATIGRAPHY ; NE TIBETAN PLATEAU ; QAIDAM BASIN ; QINGHAI PROVINCE ; WESTERN CHINA ; NORTH CHINA ; DUST ; PLIOCENE ; DESERT ; DEPOSITS
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
来源机构中国科学院地球环境研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200201
作者单位1.Northwest Univ Xian, Dept Geol, State Key Lab Continental Dynam, Inst Cenozo Geol & Environm, Xian 710069, Peoples R China;
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
推荐引用方式
GB/T 7714
Gong, Hujun,Xie, Wenbin,Zhang, Rui,et al. U-Pb ages of detrital zircon and provenances of Red Clay in the Chinese Loess Plateau[J]. 中国科学院地球环境研究所,2017,138:495-501.
APA Gong, Hujun,Xie, Wenbin,Zhang, Rui,&Zhang, Yunxiang.(2017).U-Pb ages of detrital zircon and provenances of Red Clay in the Chinese Loess Plateau.JOURNAL OF ASIAN EARTH SCIENCES,138,495-501.
MLA Gong, Hujun,et al."U-Pb ages of detrital zircon and provenances of Red Clay in the Chinese Loess Plateau".JOURNAL OF ASIAN EARTH SCIENCES 138(2017):495-501.
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