前弧海盆に堆積した田辺層群上部層の砂岩泥岩互層が織りなす絶妙な縞模様が印象的です。おもに潮流や波浪により砂などが運ばれて形成された堆積構造が発達し、浅海で堆積した地層の特徴を観察できます。また、生痕化石も見られます。

The exquisite striped pattern of the alternating layers of sandstone and mudstone in the upper part of the Tanabe Group deposited in the forearc basin is impressive. Sedimentary structures formed by transporting sand, etc. mainly due to tidal currents and waves develop, and the characteristics of strata deposited in shallow water can be observed. You can also see trace fossils.

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うえもり　う 2022/01/20(Thu) 22:32 No.208