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Kuguno Tuff Breccia Yamada et al., 1985

• Type locality: Musugo, Kuguno town, Takayama city, Gifu prefecture
• Volcanic rocks
• Early Pleistocene

• Paleo-river system: Paleo-Hidagawa river
• Lithofacies: Pyroxene andesite tuff breccia

• Thickness: A few dozen - 5 m
• Upper limit: Unconformity (Yamanashi Gravel Bed)
• Lower limit: Unconformity (Miza Gravel Bed)

• Distribution: Musugo - Yamanashi, Kuguno town, Takayama city, Gifu pref.; Nakanoshuku - Ikegahora, Takane town, Takayama city, Gifu pref.; Bijotoge pass - Lake Bijogaike - Makido, Asahi town, Takayama city, Gifu pref.

• Yamada et al. (1985) Geology of the Takayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 9p.)