Murokawa Shell Mound

Japanese: 室川貝塚 - むろかわかいづか

This complex site is located in Nakasone Murogawahara, Okinawa City, in the central part of Okinawa Island. It has been correlated with the pre-, post-, and final Jomon periods, and prehistoric remains that can be dated to the Yayoi period or later have been identified in different locations. The site is formed in a field in the center of a gentle slope that spreads out below the cliff at the northeastern end of a limestone plateau, and is about 90m above sea level. The stratigraphy varies depending on the location, but is generally about seven layers in total. A reddish-brown burnt soil layer spreads over the entire surface of the middle layer, and on top of that is dark brown soil corresponding to the final Jomon period (Murokawa upper layer type, Usahama type), and below that is a mixed shell soil layer corresponding to the later period (Iha type, Ogido type, Oyama type, Murokawa type, Kayauchibanta type, etc.), and the bottommost bed contains Murokawa lower layer type pottery from the end of the early period.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

沖縄本島中部の沖縄市字仲宗根室川原にある複合遺跡で，縄文前･後･晩期に対比され，地点を異にして弥生時代以降に比定できる先史遺跡も確認された。本遺跡は石灰岩台地の北東端崖下に広がる緩斜面中央の畑地に形成され，標高は約90m。層序は場所によって異なるが，おおむね7枚前後で，地層中位には赤褐色の焼土層が全面に広がり，その上に縄文晩期相当(室川上層式，宇佐浜（うざはま）式)の暗褐色土がのり，下方には後期相当(伊波式，荻堂式，大山式，室川式，カヤウチバンタ式など)の混貝土層が堆積し，最下部の地山は前期末の室川下層式土器を含む。

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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