When permanent residence became common in the Jomon period, chipped stone axes, ground stone axes, and stone axes that were various in size and shape were manufactured for various purposes. 縄文時代に入って定住生活が一般化すると、用途に応じた打製石斧・磨製石斧、大小や形状さまざまの石斧がつくられるようになった。 |