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Ryugamine Volcanic Rocks

• Volcanic rocks
• Pliocene - Pleistocene

• Sedimentary facies (Lower): Mudflow deposit
• Lithofacies (Upper): Andesite lava
• Lithofacies (Lower): Interbedded mudstone and siltstone

• Thickness: ca. 20 m
• Lower limit: Unconformity (Mugishima Granite, Nohi Rhyolites, Hida Gaien Belt)

• Distribution: Mount Ryugamine - Naratani valley, Kiyomi town, Takayama city, Gifu pref.

• Kawada et al. (1988) Geology of the Hagiwara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 82p. (in Japanese with English abstract 10p.)
• Kawada (1982) Geology of the Mikkamachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 72p. (in Japanese with English abstract 6p.)