首页|New dating indicates intermittent human occupation of the Nwya Devu Paleolithic site on the high-altitude central Tibetan Plateau during the past 45,000 years

New dating indicates intermittent human occupation of the Nwya Devu Paleolithic site on the high-altitude central Tibetan Plateau during the past 45,000 years

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The timing and mechanisms of the human occupation of the demanding high-altitude Tibetan Plateau environment are of great interest.Here,we report on our reinvestigations and dating of the Nwya Devu site,located nearly 4600 meters above sea level on the central Tibetan Plateau.A new microblade techno-complex was identified on a lower lake shore at this site,distinct from the previously reported blade tool assemblage.These two lithic assemblages were dated to 45.6±2.6 and 10.3±0.5 ka using optically stimulated luminescence and accelerator mass spectrometry 14C methods.They represent,respec-tively,the earliest known Paleolithic and microlithic sites on the interior Tibetan Plateau,indicating multiple occupation episodes of hunter-gatherers during the past 45 ka.Our studies reveal that relatively stable depositional conditions and a paleoenvironment characterized by a comparatively warm climate facilitated these multiple occupations at Nwya Devu.The contemporaneous occurrence of the Upper Paleolithic blade technology on the Tibetan Plateau and most of Eurasia between 50 and 40 ka indicates rapid,large-scale dispersals of humans that profoundly affected human demography on a large scale.Combining new archae-ological evidence and previously reported genetic data,we conclude that the Tibetan Plateau provided a relatively stable habitat for Upper Paleolithic hunter-gatherers,which may have contributed to the complex and multiple-origin gene pool of present-day Tibetans.

Tibetan PlateauPaleolithicNwya DevuHigh-altitude adaptationMicroblade industryEarly Upper PaleolithicOSL datingAMS 14C dating

Junyi GE、Xiaoling ZHANG、Shejiang WANG、Linhui LI、Wei HE、Yingshuai JIN、Peiqi ZhANG、Bing XU、Chenglong DENG、John W.OLSEN、Zhengtang GUO、Xing GAO

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Institute of Vertebrate Paleontology and Paleoanthropology,Chinese Academy of Sciences,Beijing 100044,China

University of the Chinese Academy of Sciences,Beijing 100049,China

Tibetan Cultural Relics Conservation Institute,Lhasa 850000,China

Key Laboratory of Cenozoic Geology and Environment,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China

State Key Laboratory of Lithospheric Evolution,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China

School of Anthropology,University of Arizona,Tucson 85721,USA

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaStrategic Priority Research Program of the Chinese Academy of SciencesStrategic Priority Research Program of the Chinese Academy of SciencesSecond Tibetan Plateau Scientific Expedition and ResearchNational Social Science Foundation of ChinaChinese Academy of Sciences President s International Fellowship Initiative AwardJe Tsongkhapa Endowment for Central and Inner Asian Archaeology at the University of Arizona

418881014197738042072033XDB26000000XDA20040101022019QZKK060121@WTK0012018VCA0016

2024

10.1007/s11430-022-1225-7

中国科学:地球科学(英文版)
中国科学院

中国科学:地球科学(英文版)

影响因子：1.002
ISSN：1674-7313
年,卷(期)：2024.67(2)
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