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Suzugasawa Welded Tuff Collaborative Research Group for the Nohi Rhyolite, 1973
- Type locality: Suzugasawa creek, Otakigawa river, Otaki city, Kiso county, Nagano prefecture
- Volcanic rocks
- Caldera
- Late Cretaceous - Paleogene (58.2 Ma, FT)
- Lithofacies: Rholite welded tuff, Rhyolitic dacite welded tuff
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Suzugasawa creek, Otakigawa river - Denjogawa river, Otaki city, Kiso county, Nagano pref.
- Wakita and Koido (1994) Geology of the Gero District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 5p.)
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