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Late Pleistocene genesis of the middle Yarlung Zhangbo Valley, southern Tibet (China), as deduced by sedimentological and luminescence data
Kaiser, Knut1; Lai, Zhongping2; Schneider, Birgit3; Junge, Frank W.4
2010-04-01
Source PublicationQUATERNARY GEOCHRONOLOGY
Volume5Issue:2-3Pages:200-204
SubtypeArticle
AbstractKnowledge on valley formation and palaeohydrology of the Yarlung Zhangbo (named Brahmaputra south of the Himalayas) is still in an early stage. Research was conducted in the middle valley reach around Gonggar in order to investigate the sediment properties, age and palaeoenvironmental implication of a widespread aggradational valley terrace. This heavily dissected terrace, lying c. 25 m above the present floodplain, consists of topping aeolian and colluvial deposits, intermediate lacustrine fines and basal fluvial sands. Sedimentological properties of the lacustrine layers suggest a cold-climate depositional environment. Geochemical data refer to a common provenance of all sediments investigated from a regional catchment area, implying a local provenance of topping loesses and sands by aeolian sorting of nearby fluvial deposits. OSL dates, representing the first luminescence dating effort partly applied to non-aeolian sediments in this valley, cluster closely in the interval 11.7 +/- 0.8-17.4 +/- 1.4 ka. During the Late Pleistocene (until c. 16 ka) the investigated middle valley reach around Gonggar was occupied by a lake attaining an extension of at least 100 km. (C) 2009 Elsevier B.V. All rights reserved.
KeywordLate Quaternary Fluvio-lacustrine Terrace Osl Dating Qinghai-tibet Plateau
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordBRAHMAPUTRA RIVER ; TSANGPO RIVER ; PLATEAU ; LOESS ; OSL ; IMPACTS ; GORGE
Indexed BySCI ; ISTP
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000276666900023
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5936
Collection青海盐湖研究所知识仓储
盐湖地质与环境实验室
Affiliation1.German Acad Sci & Engn, D-10117 Berlin, Germany
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources & Chem, Xining 810008, Peoples R China
3.Univ Leipzig, Dept Geog, D-04103 Leipzig, Germany
4.Saxon Acad Sci, Dept Pollutants Dynam Catchment Areas, D-04107 Leipzig, Germany
Recommended Citation
GB/T 7714
Kaiser, Knut,Lai, Zhongping,Schneider, Birgit,et al. Late Pleistocene genesis of the middle Yarlung Zhangbo Valley, southern Tibet (China), as deduced by sedimentological and luminescence data[J]. QUATERNARY GEOCHRONOLOGY,2010,5(2-3):200-204.
APA Kaiser, Knut,Lai, Zhongping,Schneider, Birgit,&Junge, Frank W..(2010).Late Pleistocene genesis of the middle Yarlung Zhangbo Valley, southern Tibet (China), as deduced by sedimentological and luminescence data.QUATERNARY GEOCHRONOLOGY,5(2-3),200-204.
MLA Kaiser, Knut,et al."Late Pleistocene genesis of the middle Yarlung Zhangbo Valley, southern Tibet (China), as deduced by sedimentological and luminescence data".QUATERNARY GEOCHRONOLOGY 5.2-3(2010):200-204.
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