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Yakura Formation

• Coherent formation
• Pliocene - Pleistocene

• Sedimentary facies: Fluvial, small scale Lacustrine
• Lithofacies: Conglomerate
• Lithofacies (Minor): Sandstone, Siltstone, Clay

• Lower limit: Unconformity (Izumi Group)

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

• Distribution: Iyo city - Tobe city, Ehime pref.

• Ikeda et al. (2017) Jour. Geol. Soc. Japan, vol.123, no.7, pp.445-470 DOI