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An updated age for the Xujiayao hominin from the Nihewan Basin,North China: Implications for Middle Pleistocene human evolution inEast Asia
Ao,H(Ao,Hong)1,2; Liu,CR(Liu,Chunrui)3; Roberts, Andrew P4; Zhang,P(Zhang,Peng)1; Xu,XW(Xu,Xinwen)5; Ao,Hong
2017-05
Source PublicationJournal of Human Evolution
Volume106Issue:2017Pages:54-65
Subtype期刊论文
AbstractThe Xujiayao site in the Nihewan Basin (North China) is one of the most important Paleolithic sites in East Asia. Twenty Homo fossils, which were previously assigned to an archaic Homo sapiens group, have been excavated along with more than 30,000 lithic artifacts and ∼5000 mammalian fossil specimens. Dating of the Xujiayao hominin has been pursued since its excavation in the 1970s, but its age has remained controversial because of limitations of the dating techniques that have been applied to available materials. Here, we report new ages for the Xujiayao hominin based on combined electron spin resonance (ESR) dating of quartz in the sediments and high-resolution magnetostratigraphy of the fluvio-lacustrine sequence. The magnetostratigraphy suggests that the upper Matuyama and Brunhes polarity chrons are recorded at Xujiayao. The ESR dating results indicate a pooled average age of 260-370 ka for the Homo-bearing layer, which is consistent with its position within the middle Brunhes normal polarity chron indicated by magnetostratigraphy. This age estimate makes the Xujiayao hominin among the oldest mid-Pleistocene hominins with derived Neanderthal traits in East Asia. This age is consistent with the time when early Denisovans, a sister group of Neanderthals, appeared and colonized eastern Eurasia. Our updated age and the Neanderthal-like traits of the Xujiayao Homo fossils, particularly the Denisovan-like molar teeth, make it possible that the Xujiayao hominin could represent an early Denisovan.
KeywordMagnestostratigraphy Electron Spin Resonance Dating China Archaic Homo Sapiens Neanderthal Denisovan
DOI10.1016/j.jhevol.2017.01.014
Indexed BySCI
Project NumberQYZDB-SSW-DQC021 ; 41174057 ; 41290253
Language英语
Funding OrganizationChineseAcademy of Sciences Key Research Program of Frontier Sciences ; ChineseAcademy of Sciences Key Research Program of Frontier Sciences ; Youth Innovation Promotion Program,the National Natural Science Foundation of China ; Youth Innovation Promotion Program,the National Natural Science Foundation of China ; State Key Laboratory of Loess and Quaternary Geology at the Institute of Earth Environment, ChineseAcademy of Sciences ; State Key Laboratory of Loess and Quaternary Geology at the Institute of Earth Environment, ChineseAcademy of Sciences
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5572
Collection古环境研究室
Corresponding AuthorAo,Hong
Affiliation1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
2.Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA
3.State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing 100029, China
4.Research School of Earth Sciences, The Australian National University, Canberra 2601, Australia
5.School of Urban and Environmental Science, Northwest University, Xi'an 710127, China
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GB/T 7714
Ao,H,Liu,CR,Roberts, Andrew P,et al. An updated age for the Xujiayao hominin from the Nihewan Basin,North China: Implications for Middle Pleistocene human evolution inEast Asia[J]. Journal of Human Evolution,2017,106(2017):54-65.
APA Ao,H,Liu,CR,Roberts, Andrew P,Zhang,P,Xu,XW,&Ao,Hong.(2017).An updated age for the Xujiayao hominin from the Nihewan Basin,North China: Implications for Middle Pleistocene human evolution inEast Asia.Journal of Human Evolution,106(2017),54-65.
MLA Ao,H,et al."An updated age for the Xujiayao hominin from the Nihewan Basin,North China: Implications for Middle Pleistocene human evolution inEast Asia".Journal of Human Evolution 106.2017(2017):54-65.
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