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Nago Formation

• Type locality: Eastern Nago city, Okinawa prefecture
• Accretionary complex
• Deposition: Late Cretaceous
• Metamorphism: 770. - 37.1 Ma (K-Ar)
• Correlation: Northern Shimanto Belt, Kerama Formation

• Sedimentary facies: Marine
• Lithofacies: Pelitic schist, Green schist, Slate, Massive sandstone
• Lithofacies (Greenrock member, Upper, Protolith, Main): Greenrock
• Lithofacies (Greenrock member, Upper, Protolith, Minor): Mudstone, Chert, Limestone
• Lithofacies (Greenrock member, Lower, Protolith): Mudstone-dominant interbedded sandstone and mudstone
• Lithofacies (Main member, Protolith): Mudstone-dominant interbedded sandstone and mudstone

• Upper limit: Butsuzo Tectonic Line ( Motobu Unit)
• Lower limit: Thrust fault

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

• Distribution: Eastern Nago city, Okinawa pref.; Nago castle park, Nago city, Okinawa pref.

• Baba and Uchima (2016) Jour. Geol. Soc. Japan, vol.122, no.3, pp.127-132, DOI
• Miyagi et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.10, pp.665-678 DOI