Morphometric affinity of the late Neolithic human remains from Man Bac, Ninh Binh Province, Vietnam: key skeletons with which to debate the ‘two layer’ hypothesis

概要

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The excavation of the Man Bac site (c. 3800–3500 years BP) in Ninh Binh Province, Northern Vietnam, yielded a large mortuary assemblage. A total of 31 inhumations were recovered during the 2004–2005 excavation. Multivariate comparisons using cranial and dental metrics demonstrated close affinities of the Man Bac people to later early Metal Age Dong Son Vietnamese and early and modern samples from southern China including the Neolithic to Western Han period samples from the Yangtze Basin. In contrast, large morphological gaps were found between the Man Bac people, except for a single individual, and the other earlier prehistoric Vietnamese samples represented by Hoabinhian and early Neolithic Bac Son and Da But cultural contexts. These findings suggest the initial appearance of immigrants in northern Vietnam, who were biologically related to pre- or early historic population stocks in northern or eastern peripheral areas, including Southern China. The Man Bac skeletons support the ‘two-layer’ hypothesis in discussions pertaining to the population history of Southeast Asia.
日本人類学会の論文