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Watamukiyama Gravel Bed Nishikawa et al., 1979

• Coherent formation
• Miocene - Pliocene

• Lithofacies: Gravels
• Lithofacies (Minor): Sands, Silt

• Thickness: 50 m or thicker

• Distribution: Mount Watamukiyama, Hino town, Gamo county, Shiga 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.)