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Nakatsuhara Volcanic Breccia
- Type locality: Kuji river, Fukuroda, Daigo city, Kuji county, Ibaraki prefecture
- Volcanic rocks
- Miocene
- Sedimentary facies: Terrestrial
- Sedimentary facies: Volcanic mudflow deposit
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Kuji river, Fukuroda, Daigo city, Kuji county, Ibaraki pref.
- Tagiri et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.6, pp.300-313 DOI