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Omika Formation

• Contemporaneous heterotopic facies?: Daioin Formation

• Lithofacies (Protolith): Greenstones, Volcaniclastic rocks
• Lithofacies (Protolith, Minor): Limestone

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

• Distribution: Hitachi city, Ibaraki pref.
• Fossils: Corals, Fusulinids, Crinoids

• Tagiri et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.1-20 DOI