Radiocarbon dating of the Late and Latest Jomon pottery adhesions excavated from Okyozuka site, Ishikawa, Japan.(Proceedings of the 20^<th> Symposium on Chronological Studies at the Nagoya University Center for Chronological Research in 2007)

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  • 石川県御経塚遺跡における縄文時代後晩期の土器付着物の ^<14>C年代測定(第20回名古屋大学年代測定総合研究センターシンポジウム平成19(2007)年度報告)

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In order to determine the absolute dates of pottery types during late and latest Jomon period in the surrounding area of Noto peninsula, and to consider the origin of charred residues on pottery, the authors examined radiocarbon dates, carbon and nitrogen stable isotope and C/N ratio of charred residues and lacquer-coat on pottery excavated at Okyozuka, Ishikawa, Japan. Carbon and Nitrogen stable isotope analysis revealed that all of residues collected from inner surface of potsherds during the late Jomon period seemed to be derived animal protein as contrast with the residues on latest Jomon pottery. Except for the dates of lacquer-coat, radiocarbon dates of adhesions on late Jomon pottery seemed to be influenced by "Marine Reservoir Effect". Results of radiocarbon dates of latest Jomon pottery were consistent with that of surrounding areas. These dates were calibrated using Intcal 04 calibration curve. The results shows consistent correlation between radiocarbon dates and pottery type sequences: Nakaya type are placed ca. 3200-2850 cal BP(1250-900 cal BC), Shimono type are ca. 2950-2800 cal BP(1000-850 cal BC), Nagatake type are ca. 2750-2650 cal BP(800-700 cal BC). The result shows chronological gaps between Shimono and Nagatake types.



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