Arid
DOI10.1016/j.quascirev.2020.106656
The first dated evidence for Middle-Late Pleistocene fluvial activity in the central Thar Desert
Blinkhorn, James; Achyuthan, Hema; Jaiswal, Manoj; Singh, Atul Kumar
通讯作者Blinkhorn, J (corresponding author), Max Planck Inst Sci Human Hist, Pan African Evolut Res Grp, Jena, Germany.
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2020
卷号250
英文摘要The Thar Desert, located in western South Asia, marks a major global biogeographic boundary and a major adaptive threshold for the eastward expansions of modern humans from Africa across Asia. Examining the framework of palaeoenvironmental change in this region, both in terms of the regional manifestation of global climate change and the physical geography of the landscape, is therefore important to understand how modern humans first engaged with this significant shift in ecology. Here, we present evidence for the oldest chronometrically dated evidence for fluvial activity within this region, located at the Nal Quarry site in the central Thar Desert. We use luminescence dating of alluvial facies to demonstrate phases of fluvial activity at the site at similar to 172-174, 140-150, 79-95 and 26 thousand years ago. This result substantially extends existing evidence for fluvial activity within the Thar Desert, as well as overlapping with evidence from the southern and eastern Thar desert indicating increased fluvial activity during the Last Interglacial (Marine Isotope Stage 5), whereas the cessation of fluvial deposition at Nal Quarry is contemporaneous with the onset of activity within the Ghaggar-Hakkra channel in the northern and western Thar Desert. Critically, the phases of fluvial activity identified at Nal overlaps with substantial behavioural change across South Asia, as well as the wider expansion of modern humans across the continent. This research illuminates a dynamic fluvial landscape that existed in the late Middle Pleistocene and early Late Pleistocene at a key threshold for modern human dispersals. (C) 2020 Elsevier Ltd. All rights reserved.
英文关键词South asia Thar desert Fluvial migration Middle-late pleistocene Human dispersal
类型Article
语种英语
收录类别SCI-E ; SSCI
WOS记录号WOS:000595943100006
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构University of London
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/349142
作者单位[Blinkhorn, James] Max Planck Inst Sci Human Hist, Pan African Evolut Res Grp, Jena, Germany; [Blinkhorn, James] Royal Holloway Univ London, Dept Geog, Quaternary Res Ctr, Egham, Surrey, England; [Achyuthan, Hema] Anna Univ, Inst Ocean Management, Chennai 600025, Tamil Nadu, India; [Jaiswal, Manoj; Singh, Atul Kumar] Indian Inst Sci Educ & Res, Dept Earth Sci, Kolkata, India
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GB/T 7714
Blinkhorn, James,Achyuthan, Hema,Jaiswal, Manoj,et al. The first dated evidence for Middle-Late Pleistocene fluvial activity in the central Thar Desert[J]. University of London,2020,250.
APA Blinkhorn, James,Achyuthan, Hema,Jaiswal, Manoj,&Singh, Atul Kumar.(2020).The first dated evidence for Middle-Late Pleistocene fluvial activity in the central Thar Desert.QUATERNARY SCIENCE REVIEWS,250.
MLA Blinkhorn, James,et al."The first dated evidence for Middle-Late Pleistocene fluvial activity in the central Thar Desert".QUATERNARY SCIENCE REVIEWS 250(2020).
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