A strontium isotope analysis on the relationship between ritual tooth ablation and migration among the Jomon people in Japan

Soichiro Kusaka, Atsushi Ando, Takanori Nakano, Takakazu Yumoto, Eriko Ishimaru, Minoru Yoneda, Fujio Hyodo, Kazumichi Katayama

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Distinct 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.

Original languageEnglish
Pages (from-to)2289-2297
Number of pages9
JournalJournal of Archaeological Science
Volume36
Issue number10
DOIs
Publication statusPublished - Oct 2009

Fingerprint

religious behavior
Japan
immigrant
migration
Jomon
87Sr/86Sr
Strontium Isotope Analysis
Teeth
Immigrants
Values
Tooth Enamel
Human Skeletal Remains
Strontium

Keywords

  • Hunter-gatherers
  • Jomon period
  • Mobility
  • Ritual tooth ablation
  • Strontium isotopes

ASJC Scopus subject areas

  • History
  • Archaeology

Cite this

A strontium isotope analysis on the relationship between ritual tooth ablation and migration among the Jomon people in Japan. / Kusaka, Soichiro; Ando, Atsushi; Nakano, Takanori; Yumoto, Takakazu; Ishimaru, Eriko; Yoneda, Minoru; Hyodo, Fujio; Katayama, Kazumichi.

In: Journal of Archaeological Science, Vol. 36, No. 10, 10.2009, p. 2289-2297.

Research output: Contribution to journalArticle

Kusaka, Soichiro ; Ando, Atsushi ; Nakano, Takanori ; Yumoto, Takakazu ; Ishimaru, Eriko ; Yoneda, Minoru ; Hyodo, Fujio ; Katayama, Kazumichi. / A strontium isotope analysis on the relationship between ritual tooth ablation and migration among the Jomon people in Japan. In: Journal of Archaeological Science. 2009 ; Vol. 36, No. 10. pp. 2289-2297.
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