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Omeshi volcano
- Type locality: Mount Omeshidake, Takayama city, Kamitakai county, Nagano prefecture - Tsumagoi city, Azuma county, Gunma prefecture
- Volcanic rocks
- Caldera volcano
- Neogene - Pleistocene
- Lithofacies: Two-pyroxene andesite
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Omeshidake, Takayama city, Kamitakai county, Nagano pref. - Tsumagoi city, Agatsuma county, Gunma pref.
- Ota and Katada (1955) Suzaka, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 54p. (in Japanese with English abstract 6p.)