globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2013.03.008
论文题名:
Late Miocene-Pleistocene aridification of Asian inland revealed by geochemical records of lacustrine-fan delta sediments from the western Tarim Basin, NW China
作者: Zhang Z.; Han W.; Fang X.; Song C.; Li X.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2013
卷: 377
起始页码: 52
结束页码: 61
语种: 英语
英文关键词: Aridification ; Late Miocene-Pleistocene ; Pamir ; Tarim Basin ; Tibetan Plateau
英文摘要: Continuous Cenozoic deposits have accumulated in the Tarim Basin, northwestern China, and are crucial to investigating the aridification history of the Asian interior, which has long been thought to be linked with the growth of the Tibetan Plateau, retreat of the Para-Tethys Sea and global cooling. However, less and poor climatic records from the region hinder our understanding of the questions above. Here we report continuous lithologic (sedimentary color) and geochemical (CaCO3 and salt ions) records from precisely dated late Miocene-early Pleistocene sedimentary sequence from western Tarim Basin, NW China. They indicate that arid climate had prevailed within the basin at latest at ca. 5.7Ma and gradually increased in degree until ca. 3.7Ma. Between ca. 3.7 and 2.1Ma, a hydrologic event occurred, which supplied more water from the Tien Shan. After ca. 2.1Ma the climate in the basin turned to hyper arid. We attribute the stepwise drying of the Asian inland since ca. 5.7Ma to the late Miocene-Pliocene episodic uplift of the Tibetan Plateau, Pamir and the Tien Shan and the connection of the Pamir with the Tien Shan in remote response to the collision of India with Asia. © 2013.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69755
Appears in Collections:过去全球变化的重建

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作者单位: MOE Key Laboratory of Western China's Environmental Systems, Research School of Arid Environment and Climate Change, Lanzhou University, Lanzhou 730000, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth and Environment, Chinese Academy of Sciences, Xi'an 710075, China; Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085, China; School of Earth Sciences, Key Laboratory of Western China's Mineral Resources (Gansu Province), Lanzhou University, Lanzhou 730000, China

Recommended Citation:
Zhang Z.,Han W.,Fang X.,et al. Late Miocene-Pleistocene aridification of Asian inland revealed by geochemical records of lacustrine-fan delta sediments from the western Tarim Basin, NW China[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2013-01-01,377
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