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Jozankei Formation

• Coherent formation
• Oligocene (23.9 Ma, FT)

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

• Distribution: Jozankei valley, Hokkaido

• Okamura et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.4, pp.181-198 DOI