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Ohirayama Unit

• Type locality: Mount Ohira, Kochi prefecture
• Accretionary complex
• Deposition (Limestone): Permian, Triassic
• Deposition (Chert): Triassic
• Deposition (Clastic rocks): Early - Middle Jurassic
• Accretion: Jurassic
• Correlation: Ryokami Unit, Ogamata Unit, Kawanori Unit, Tsukumi Unit, Iheya Unit

• Sedimentary facies: Marine
• Lithofacies: Coherent facies (Chert-clastic sequence), Mélange facies
• Lithofacies: Chert (Red chert), Clastic rocks, Limestone

• Upper limit: Thrust fault
• Lower limit: Butsuzo Tectonic Line

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

• Distribution: Kanto - Akaishi mountains - Shima peninsula - Kii peninsula, southern Shikoku - southern Kyushu - Okinawa

• Takahashi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.1, pp.1-22, DOI
• Kiminami and Toda (2007) Jour. Geol. Soc. Japan, vol.113, no.4, pp.158-167 DOI