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Hotoketoge Gravel Bed Nishikawa et al., 1979

Invalid synonym: Hotoketoge Formation

• Type locality: Inoashidani valley, Tsuchiyama town, Koka city, Shiga prefecture
• Coherent formation
• Miocene - Pliocene

• Lithofacies: Gravel-bearing sands, Gravels
• Lithofacies (Minor): Sands, Silt, Tuff

• Thickness: ca. 60 m
• Lower limit: Unconformity

• Distribution: Inoashidani valley, Tsuchiyama town, Koka city, Shiga pref.; Mount Kushirodake - Suizawatoge pass, Shiga pref. - Mie pref.

• Harayama et al. (1989) Geology of the Gozaishoyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 145p. (in Japanese with English abstract 6p.)
• Miyamura et al. (1981) Geology of the Kameyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 128p. (in Japanese with English abstract 9p.)