Sada Kobu Shell Mound

Japanese: 佐太講武貝塚 - さだこうぶかいづか

A Jomon period site in Nabun, Kashima-cho, Yatsuka-gun, Shimane Prefecture. The shell layer spreads over an area of about 100m in diameter on the lowlands and hills at an altitude of 0-3m on both sides of the Sada River, which connects Lake Shinji with the Sea of Japan. Stone tools are scattered over an even wider area. This shell mound has been known in the San'in region since ancient times and is also called the Unada Shell Mound. The shell layer is mainly composed of Yamato corbicula, with small amounts of marine shellfish, fish bones, animal bones such as deer and wild boar, and natural remains such as chestnuts. The Jomon pottery excavated is mainly round-bottomed striated pottery with reticular patterns added to the front and back of the vessel walls using bivalve shells of the genus Anadara, and there are also a few pottery fragments with claw-shaped, Jomon, and ridge-band patterns.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

島根県八束郡鹿島町名分にある縄文時代の遺跡。宍道湖と日本海をむすぶ佐太川の両岸の標高0～3mの低地と丘陵すそに，直径約100mの範囲に貝層が広がる。石器類はさらに広い地域に散在する。山陰地方では古くから知られた貝塚で，鵜灘（うなだ）貝塚ともよばれる。貝層はヤマトシジミを中心とし，少量の海産貝類や魚骨，シカ，イノシシなどの獣骨とシイの実などの自然遺物をふくむ。出土の縄文土器は，器壁の表裏にアナダラ属の二枚貝による調整を加えた丸底の条痕文土器を主体とし，ほかに少量の爪形，縄文，隆帯の文様などをほどこす土器片がある。

出典　株式会社平凡社世界大百科事典第２版について　情報

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