Arid
DOI10.1130/G25338A.1
New evidence on the age of the Taklimakan Desert
Sun, Jimin; Zhang, Zhenqing; Zhang, Liyuan
通讯作者Sun, Jimin
来源期刊GEOLOGY
ISSN0091-7613
出版年2009
卷号37期号:2页码:159-162
英文摘要

The Taklimakan Desert is the world’s second-largest shifting sand desert, located in the rain shadow of the Tibetan Plateau. The initiation of desert formation in the Asian interior is one of the most prominent climate changes in the Northern Hemisphere during the Cenozoic Era. Dating the earliest formation of this desert is important for understanding the climatic effects of the uplifted Tibetan Plateau. Here we report 1071-m-thick Neogene deposits with intercalated eolian dune sands from the only outcrop in the central Taklimakan Desert. Based on paleomagnetic measurements, biostratigraphic age control, and previous electron spin resonance dating results, the oldest in situ eolian dune sands were confirmed to be ca. 7 Ma, much older than the previous reported wind-blown siltstone from the southern edge of the Taklimakan Desert. This new result indicates that desert conditions initiated ca. 7 Ma in the center of the Tarim Basin. We attribute this event to the late Cenozoic climatic deterioration and/or to the rain-shadow effect caused by late Miocene uplift of the northern Tibetan margin.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000263096900016
WOS关键词TIBETAN PLATEAU ; NORTH-ATLANTIC ; UPLIFT ; CHINA ; BASIN ; RECONSTRUCTION ; GLACIATION ; DEPOSITS ; HIMALAYA ; CLIMATE
WOS类目Geology
WOS研究方向Geology
来源机构中国科学院地质与地球物理研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/160774
作者单位Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714
Sun, Jimin,Zhang, Zhenqing,Zhang, Liyuan. New evidence on the age of the Taklimakan Desert[J]. 中国科学院地质与地球物理研究所,2009,37(2):159-162.
APA Sun, Jimin,Zhang, Zhenqing,&Zhang, Liyuan.(2009).New evidence on the age of the Taklimakan Desert.GEOLOGY,37(2),159-162.
MLA Sun, Jimin,et al."New evidence on the age of the Taklimakan Desert".GEOLOGY 37.2(2009):159-162.
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