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Raidenyama Unit
- Accretionary complex
- Accretion: Jurassic - Cretaceous
- Sedimentary facies: Marine
- Lithofacies: Interbedded sandstone and mudstone
- Exotic blocks (Slabs): Chert, Sandstone
- Upper limit: Thrust fault
- Lower limit: Thrust fault
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Oshima peninsula, Hokkaido
- Takahashi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.1, pp.1-22, DOI