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R1

• Type locality: Ryujin town, Tanabe city, Wakayama prefecture
• Accretionary complex
• Late Cretaceous
• Correlation: Ra, Rl, Rm, Ru

• Sedimentary facies: Marine
• Lithofacies: Shale
• Lithofacies (Minor): Shale dominant interbedded sandstone and shale, Acidic tuff, Greenstones

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

• Distribution: Ryujin town, Tanabe city, Wakayama pref.
• Fossils (Radiolarians): Afens linodes, Alievium galloway, Amphipyndax pseudoconulus, Amphipyndax stocki, Dictyomitra formosa, Dictyomitra cf. koslovae, Orbiculiorma sp., Patellula sp., Pseudoaulophacus floresensis, Pseudoaulophacus sp., Xitus grandis

• Tokiwa et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.6, pp.270-273 DOI