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Chronology for terraces of the Nalinggele River in the north Qinghai-Tibet Plateau and implications for salt lake resource formation in the Qaidam Basin
Chang, QiuFang1,4,5; Lai, ZhongPing2,4; An, FuYuan1; Wang, HaiLei3; Lei, YanBin4; Han, FengQing1
2017-02-12
发表期刊QUATERNARY INTERNATIONAL
卷号430页码:12-20
文章类型Article
摘要The Nalinggele River, located in the northern Qinghai-Tibetan Plateau, is the largest river originating from the northern slope of the eastern Kunlun Mountains and flowing into the enclosed Qaidam Basin. Controversy exists whether the formation of its terraces reflects the history of the plateau uplift, or climate changes, or both. The salt lakes in the enclosed Qaidam Basin fed by this river bear an unusual world-class enrichment of lithium and boron elements, which are critical resources for regional economy. The concentration of lithium is one of the highest found in brine resource in the world, and sourced from the upstream water of the river. The chronology of the river terraces is essential to understand the plateau uplift history, the regional climate change, the evolution of the terminal salt lakes, and the process of enrichment of the valuable elements. However, the age constraint for the terraces of the rivers in the east Kunlun Mountains is still limited and debated, and no dating work has been reported yet for terraces of the Nalinggele River. Five terraces were identified in this river. In this study, the terraces were dated using quartz optically stimulated luminescence (OSL) dating. The results indicate that the OSL ages (similar to 7.5 ka, similar to 9.9 ka, similar to 11.3 ka, and similar to 13.1 ka) of the four terraces (T1, T2, T3, and T4) are consistent with geomorphic relationship, and that they formed since similar to 13.1 ka and were probably triggered by climatic change rather than by the plateau uplift. The sediment of T5 is too coarse to collect OSL samples and not dated. Based on our dating we confirm the previous view that the lithium concentration in the terminal salt lakes should have initiated since 15-13 ka. We further propose that the formation of salt lakes and the enrichment of their resources in the Qaidam Basin should have occurred mainly in interglacial periods (e.g. the Holocene), a warm and humid period, not as previously thought to be in the glacial periods, a dry and cold period, and that during the glacial periods the basin was mainly under wind erosion. (C) 2016 Elsevier Ltd and INQUA. All rights reserved.
关键词Luminescence Dating Terraces Of Nalinggele River Salt Lakes In The Qaidam basIn Kunlun MountaIns In qInghai-tibetan Plateau (Qtp)
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]REGENERATIVE-DOSE PROTOCOL ; LATE QUATERNARY ; CHINESE LOESS ; GROWTH-CURVE ; HOLOCENE OPTIMUM ; KUNLUN MOUNTAINS ; CLIMATIC-CHANGE ; ICE CORE ; OSL ; QUARTZ
收录类别SCI
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000397933600003
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6200
专题青海盐湖研究所知识仓储
盐湖地质与环境实验室
作者单位1.Chinese Acad Sci, Key Lab Salt Lake Geol & Environm, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.China Univ Geosci, State Key Lab Biogeol & Environm Geol, Sch Earth Sci, Wuhan 430074, Peoples R China
3.CAGS, MLR Key Lab Saline Lake Resources & Environm, Inst Mineral Resources, Beijing 100037, Peoples R China
4.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Chang, QiuFang,Lai, ZhongPing,An, FuYuan,et al. Chronology for terraces of the Nalinggele River in the north Qinghai-Tibet Plateau and implications for salt lake resource formation in the Qaidam Basin[J]. QUATERNARY INTERNATIONAL,2017,430:12-20.
APA Chang, QiuFang,Lai, ZhongPing,An, FuYuan,Wang, HaiLei,Lei, YanBin,&Han, FengQing.(2017).Chronology for terraces of the Nalinggele River in the north Qinghai-Tibet Plateau and implications for salt lake resource formation in the Qaidam Basin.QUATERNARY INTERNATIONAL,430,12-20.
MLA Chang, QiuFang,et al."Chronology for terraces of the Nalinggele River in the north Qinghai-Tibet Plateau and implications for salt lake resource formation in the Qaidam Basin".QUATERNARY INTERNATIONAL 430(2017):12-20.
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