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Shimohanawa Tuffaceous Sandstone Member
- Coherent formation
- Miocene
- Sedimentary facies: Marine
- Lithofacies: Interbedded tuff and tuffaceous sandstone
- Irieno Formation
- [ Upper ]
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- Main part
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- Shimohanawa Tuffaceous Sandstone Member
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Tochigi pref.
- Matsui et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.89-102 DOI