Only found in the late Jomon period, mainly in the Tohoku region and extending across the Kanto region, are these stone products made by cutting soft stone such as mudstone or sandstone into a square or oval shape and carving special patterns into one or both sides. The shapes and patterns are similar to those of clay tablets found in the same region around the same time, so it is thought that the uses of the two were not very different. The patterns on the rock tablets include those decorated all over with continuous inlaid patterns such as S-shapes, and those with a vertical center line and symmetrical arc-shaped or spiral patterns on both sides. There are also rare cases where a facial motif is carved into one end. They are thought to be relics related to the spiritual world, such as amulets. [Kazuyoshi Otsuka] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
縄文時代晩期に限って、東北地方を中心に関東地方にかけてみられるもので、泥岩や砂岩などの軟らかい石材を方形もしくは楕円(だえん)形に調整し、その片面もしくは両面に特殊な文様を彫り込んだ石製品。ほぼ同時期に、同一地域にみられる土版と形態、文様が類似しているので、両者の用途はあまり違わないものであったと考えられる。岩版の文様には、S字状などの連続入組み文で全面を飾ったものや、縦に中心線を引いて、その両側に対称的に弧状文や渦巻文を配したものなどがある。また一端に顔面様のモチーフを施したものがまれにある。護符などのように精神的世界に関与した遺物と考えられる。 [大塚和義] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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