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Unit V

• Accretionary complex
• Deposition (Chert): Middle Triassic - Late Jurassic
• Deposition (Limestone): Late Triassic
• Deposition (Shale): Late Jurassic - Early Cretaceous (Radiolarians)
• Accretion: Late Jurassic - Early Cretaceous (Radiolarians)
• Correlation: Sanbosan Unit

• Sedimentary facies: Marine
• Depth of water (Limestone): Shallow
• Lithofacies: Mélange facies
• Matrix: Shale
• Exotic blocks (Slabs): Limestone, Chert
• Exotic blocks (Crusts): Basaltic lava, Basaltic volcaniclastic rocks

• Upper limit: Thrust fault (Oteno Fault, Utsutsu Fault)
• Lower limit: Butsuzo Tectonic Line (Sakaguchi Formation)

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

• Distribution: Middle reaches of Kuma river, Kumamoto pref. - Youra peninsula, Oita pref.
• Fossils: Bivalves, Crinoids, Foraminifera, Megalodon sp., Corals, Calcareous sponges

• Onoue and Nishizono (2014) Jour. Geol. Soc. Japan, vol.120, Supplement, pp.1-17 DOI