The Unconformity in Komatsu

The Unconformity in Komatsu You can observe the borderline on the surface of the earth, of the Ryujin accretionary prism which is the main base of the Kii Peninsula land and the Kumano strata of a forearc basin sediment. These two layers were each formed in a 50-million-year time difference, which is called a an angular unconformity. You can find seashell fossils in sandstone potholes in the upstream area.