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Ueno Basaltic Rocks

• Volcanic rocks
• Monogenetic volcanoes
• Pleistocene (2.7 - 1.41 Ma, K-Ar)

• Lithofacies: High-alumina
• Lithofacies: Olivine basalt lava
• Lithofacies (Minor): Lapilli tuff
• Structures: Platy joints

• Thickness: ca. 100 m
• Distribution (Length): 6 km
• Lower limit: Unconformity (Tokai Group)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Takayama city, Gifu pref.; Sakashita - Ueno - Teraobora - Kawakamigawa river - Sodeboragawa river - Otohimeiwa, Nakatsugawa city, Gifu pref.; Mount Suribachiyama - Kakizore pass, Nagiso city, Kiso county, Nagano pref.

• Takeuchi et al. (1998) Geology of the Kiso-Fukushima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 94p. (in Japanese with English abstract 4p.)
• Yamada and Kobayashi (1988) Geology of the Ontakesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 9p.)
• Kawata (1961) Tsukechi, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 7p.)
• Yamada and Murayama (1958) Tsumago, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 9p.)