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Enoura Formation

• Deposition (Siliceous clay rocks): Early Triassic
• Deposition (Chert): Middle Triassic - Middle Jurassic; Late Triassic, Carnian; Early Jurassic, Toarcian
• Deposition (Siliceous mudstone): Early - Late Jurassic

• Sedimentary facies: Marine
• Lithofacies: Siliceous mudstone
• Lithofacies: Chert
• Lithofacies: Siliceous clay rocks

• Upper limit: Unknown
• Lower limit: Thrust fault

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

• Distribution: Takahama - Kobodomari, Youra, Tsukumi city, Oita pref.; Shakuma, Yayoi, Saeki city, Oita pref.
• Fossils: Radiolarians

• Tomimatsu et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.6, pp.267-273, DOI