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Shimonosawa Unit

• Accretionary complex
• Accretion: Jurassic - Cretaceous
• Deposition (Mudstone): Middle - Late Jurassic (Radiolarians)

• Sedimentary facies: Marine
• Lithofacies: Coherent facies (Chert-clastic sequence)
• Lithofacies: Mudstone, Chert

• Upper limit: Thrust fault
• Lower limit: Thrust fault

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Oshima peninsula, Hokkaido
• Fossils: Radiolarians

• Takahashi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.1, pp.1-22, DOI