抄録
This study intends to establish the method of the estimation of the ring type settlement area of Jomon-period, from its partially excavated site. The results of the estimations made with this method are presented as data. Based on the principle of the centripetal composition of the settlement, methods of estimation would be as follows. In the case of a settlement located on a wide-stretch of land, area shall be defined by a circle, whereas with narrow and elongate land, by ellipse, and with narrow and pointed land, by oval shape. What has been discovered with this method of estimation is that, the widest settlement is over 1.7ha in area.
