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Title: A strontium isotope analysis on the relationship between ritual tooth ablation and migration among the Jomon people in Japan
Authors: Kusaka, Soichiro
Ando, Atsushi
Nakano, Takanori
Yumoto, Takakazu
Ishimaru, Eriko
Yoneda, Minoru
Hyodo, Fujio
Katayama, Kazumichi
Author's alias: 日下, 宗一郎
Keywords: Hunter-gatherers
Jomon period
Mobility
Ritual tooth ablation
Strontium isotopes
Issue Date: Oct-2009
Publisher: Elsevier
Journal title: Journal of Archaeological Science
Volume: 36
Issue: 10
Start page: 2289
End page: 2297
Abstract: patterns can be discerned in the extensive ritual tooth ablation found among the human skeletal remains of the Late-Final Jomon period (ca. 3200-2800 cal BP) in Japan. Based on comparative observations of sex and grave patterns in the skeletal remains, two major patterns in ritual tooth ablation, termed type 4I and type 2C, have been assigned to locals and immigrants, respectively. In order to test this hypothesis, strontium (Sr) isotope (87Sr/86Sr) analyses were performed on human skeletal remains from the Yoshigo shell mound in Aichi Prefecture, central Japan. Plants in the surrounding area were also examined to illustrate the geographic 87Sr/86Sr distribution. The Sr isotopic variation in human tooth enamel (87Sr/86Sr = 0.70868-0.71028) was greater than that in human bones (87Sr/86Sr = 0.70871-0.70943). Individuals with higher Sr isotope ratios in their tooth enamel than seawater Sr values of 0.7092 can be identified as immigrants (36% of population). The presence of these isotopically identified immigrants between both type 2C and type 4I individuals does not support the previous hypothesis. The intra-population 87Sr/86Sr distribution of tooth enamel of type 2C individuals showed a significantly higher mean ratio than that of type 4I individuals, suggesting a higher proportion of immigrants among the former.
Rights: c 2009 Elsevier Ltd. All rights reserved.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/85227
DOI(Published Version): 10.1016/j.jas.2009.06.013
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