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Refureppu Sandstone Member
- Coherent formation
- Yezo forearc basin
- Early Cretaceous, Aptian (Ammonoids, Foraminifera)
- Sedimentary facies: Marine
- Depth of water: Continental slope
- Lithofacies: Sandstone-dominant interbedded sandstone and mudstone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Tomamae, Oyubari, Hokkaido
- Takashima et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.381-398 DOI