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Yunosawa Rhyolites Huzioka et al., 1977
- Type locality: Yunosawa, Akita city, Akita prefecture
- Volcanic rocks
- Miocene
- Lithofacies: Biotite rhyolite lava
- Lithofacies (Minor): Perlite
- Funakawa Formation (Akita, Akita pref.)
- [ Upper ]
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- Yunosawa Rhyolites
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Yunosawa - Soegawa, Akita city, Akita pref.
- Huzioka et al. (1977) Geology of the Akita District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 5p.)