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Tenno Formation Shiraishi, 1990
- Type locality: Hachirogata, Akita prefecture
- Coherent formation
- Pleistocene
- Lithofacies: Sands
- Lithofacies (Minor): Gravels, Mud, Peat
- Hachirogata, Akita pref.
- [ Upper ]
- --------------
- Hachirogata Formation
- ~~~~~~~~~~~~~~
- Tenno Formation
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Hachirogata, Akita pref.
- Fujimoto et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.51-74 DOI