Geosite List Home Geosite Sarashikubi Stratum Sarashikubi Stratum There are big boulders scattered among the wave-cut terrace of Tagonoura, just like a criminal’s beheaded head (sarashi-kubi). This mudstone layer containing boulders that was formed by the submarine mudslide is called the Sarashikubi stratum. Map Sarashikubi Stratum 33.4878179,135.691723,14 See in the map app