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Hitachi Metamorphic Rocks

invalid synonym: Hitachi metamorphosed paleozoic formations

• Type locality: Hitachi city, Ibaraki prefecture
• Deposition: early Cambrinan - Early Cretaceous
• Metamorphism: Early - Late Cretaceous (118.0 - 96.0, K-Ar)

• Upper limit: Unknown
• Lower limit: Unknown

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

• Distribution: Southern Abukuma mountains, Ibaraki pref.
• Fossils: Corals, Fusulinids, Crinoids

• Tagiri et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.6, pp.231-247, DOI
• Tagiri et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.1-20 DOI