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Kawarahata Formation Kubo et al., 1993
Invalid synonym: Sawatari Formation
- Coherent formation
- Middle Miocene
- Sedimentary facies: Terrestrial - Aqueous
- Lithofacies (Upper): Massive dacitic tuff breccia
- Lithofacies (Lower): Interbedded basaltic tuff breccia - volcanic breccia and basaltic lava, Pillow lava, Hyaloclastite
- Lithofacies (Lower, Minor): Rhyolitic pumice tuff, Tuffaceous sandstone
- Thickness: 400 m or thicker
- Upper limit: Unconformity
- Lower limit: Unconformity
- [ Upper ]
- ~~~~~~~~~~~~~~
- Kawarahata Formation
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Azuma, Gunma pref.
- Nakamura et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.8, pp.397-412, DOI