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Gobuta Tuff Member
- Sedimentary facies: Terrestrial
- Lithofacies (Upper): Hypersthene-bearing dacite pumice tuff
- Lithofacies (Lower): Hypersthene-bearing dacite tuff
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Hanaizumi town, Ichinoseki city, Iwate pref.
- Matsuno (1967) Geology of the Wakayanagi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 24p. (in Japanese with English abstract 5p.)