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Late Miocene-Pleistocene aridification of Asian inland revealed by geochemical records of lacustrine-fan delta sediments from the western Tarim Basin, NW China
Zhang, Zhigao1,2,3; Han, Wenxia3,4,5; Fang, Xiaomin1,2,6,7; Song, Chunhui8,9; Li, Xiangyu6,7
2013-05-01
发表期刊PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
卷号377页码:52-61
关键词Tarim Basin Late Miocene-pleistocene Aridification Pamir Tibetan Plateau
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. 5.7 Ma and gradually increased in degree until ca. 3.7 Ma. Between ca. 3.7 and 2.1 Ma, a hydrologic event occurred, which supplied more water from the Tien Shan. After ca. 2.1 Ma the climate in the basin turned to hyper arid. We attribute the stepwise drying of the Asian inland since ca. 5.7 Ma 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. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
语种英语
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文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/4437
专题青海盐湖研究所知识仓储
作者单位1.Lanzhou Univ, MOE Key Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China
2.Lanzhou Univ, Res Sch Arid Environm & Climate Change, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth & Environm, Xian 710075, Peoples R China
4.Chinese Acad Sci, Key Lab Salt Lake Resources & Chem, Xining 810008, Peoples R China
5.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
6.Chinese Acad Sci, Key Lab Continental Collis & Plateau Uplift, Beijing 100085, Peoples R China
7.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China
8.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Peoples R China
9.Lanzhou Univ, Key Lab Western Chinas Mineral Resources Gansu Pr, Lanzhou 730000, Peoples R China
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Zhang, Zhigao,Han, Wenxia,Fang, Xiaomin,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,2013,377:52-61.
APA Zhang, Zhigao,Han, Wenxia,Fang, Xiaomin,Song, Chunhui,&Li, Xiangyu.(2013).Late Miocene-Pleistocene aridification of Asian inland revealed by geochemical records of lacustrine-fan delta sediments from the western Tarim Basin, NW China.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,377,52-61.
MLA Zhang, Zhigao,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".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 377(2013):52-61.
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