Although grinding stones were excavated predominantly in the Jomon period, the appearance of them together with stone plates went back to the Paleolithic period when stone tools resembling a knife became popular.
磨石の出土は圧倒的に縄文時代に多いが、石皿とセットになっての出現は旧石器時代のナイフ形石器の盛行する時期にまでさかのぼる。