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Kowase Altered Andesite
Pre Kayodake volcano?
- Type locality: Upper reaches of Kowase river, Tamagawa, Tazawako, Senboku city, Akita prefecture
- Volcanic rocks
- Stratovolcano
- Pleistocene
- Lithofacies: Augite hypersthene sndesite
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Upper reaches of Kowase river, Tamagawa, Tazawako, Senboku city, Akita pref.
- Kawano and Uemura (1964) Hachimantai, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 36p. (in Japanese with English abstract 8p.)