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Tsukinoki Tuff Kato, 1949
- Tephra
- Miocene
- Contemporaneous heterotopic facies: Same as Kanazu Tuff
- Lithofacies: Rhyolitic pumice tuff, Tuff, Lapilli tuff
- Tsukinoki Formation
- [ Upper ]
- '''''''/,,,,,,
- Upper part
- --------------
- Tsukinoki Tuff
- --------------
- Lower part
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Tsukinoki, Shibata city, Shibata county, Miyagi pref.
- Kitamura et al. (1986) Geology of the Sendai District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 134p. (in Japanese with English abstract 9p.)
- Oide and Fujita (1975) Geology of the Iwanuma District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 27p. (in Japanese with English abstract 4p.)