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Quaternary glacial history of the Kanas Valley, Chinese Altai, NW China, constrained by electron spin resonance and optically stimulated luminescence datings
Yang, JQ (Yang, Jianqiang)1; Chen, YX (Chen, Yixin)2; Xu, XK (Xu, Xiangke)1; Cui, ZJ (Cui, Zhijiu)2; Xiong, HG (Xiong, Heigang)3; Chen, YX
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
2017
Volume147Issue:0Pages:164-177
DOI10.1016/j.jseaes.2017.07.011
AbstractThe Chinese Altai is located on the northern edge of Central Asia. Rich geological records of Quaternary glaciations are preserved in this area. However, the glacial history in the Chinese Altai has hardly been investigated. This study aims to rebuild the regional glacial history in the Kanas Valley of the Chinese Altai. We present 14 electron spin resonance (ESR) ages and 3 optically stimulated luminescence (OSL) ages from glacial landforms. By integrating with ages from previous studies, five major glacial, advances are identified during Marine Oxygen Isotope Stages (MIS) 6, 5, 4, 3 and 2, with ages of 167.0 +/- 16.0-123.0 +/- 18.0 ka, 97.0 +/- 19.0-78.0 +/- 7.0 ka, 76.0 +/- 16.0-73.1 +/- 6.6 ka, 52.1 +/- 7.8-34.4 +/- 4.2 ka, and 28.0 +/- 3.3-16.1 +/- 1.5 ka respectively. The glacial advance during MIS 5 is the local Last Glacial Maximum, and glaciers became successively more restricted from MIS 5 to MIS 2. In addition, the extensive MIS 3 glacial advance in the Chinese Altai contrasts with the absence of MIS 3 glacial advance in the Mongolia Altai. These glacial patterns reflect that precipitation brought by the westerlies might play a primary role on driving glacial advances during the Last Glacial in the Chinese Altai. This glacial chronology is in reasonable agreement with existing glacial chronologies from other parts of the Altai, Tian Shan and Pamir, indicating similar climate controls on the patterns of Quaternary glaciation across Central Asia Highlands.
Subject Area自然地理学
WOS IDWOS:000413125600013
Language英语
Indexed BySCI
KeywordBe-10 Surface Exposure Late Pleistocene Glaciations Eastern Tian-shan Cosmogenic Be-10 Central-asia River Valley Urumqi River Tien-shan Ice Core Southern Siberia
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary ; Geology
Cooperation Status国内
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7977
Collection图书馆
Corresponding AuthorChen, YX
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China.
2.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China.
3.Beijing Union Univ, Coll Art & Sci, Beijing 100191, Peoples R China.
Recommended Citation
GB/T 7714
Yang, JQ ,Chen, YX ,Xu, XK ,et al. Quaternary glacial history of the Kanas Valley, Chinese Altai, NW China, constrained by electron spin resonance and optically stimulated luminescence datings[J]. JOURNAL OF ASIAN EARTH SCIENCES,2017,147(0):164-177.
APA Yang, JQ ,Chen, YX ,Xu, XK ,Cui, ZJ ,Xiong, HG ,&Chen, YX.(2017).Quaternary glacial history of the Kanas Valley, Chinese Altai, NW China, constrained by electron spin resonance and optically stimulated luminescence datings.JOURNAL OF ASIAN EARTH SCIENCES,147(0),164-177.
MLA Yang, JQ ,et al."Quaternary glacial history of the Kanas Valley, Chinese Altai, NW China, constrained by electron spin resonance and optically stimulated luminescence datings".JOURNAL OF ASIAN EARTH SCIENCES 147.0(2017):164-177.
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