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Old dune Ogasawara, 1946

• Coherent formation
• Holocene

• Sedimentary facies: Terrestrial, Coastal sand dunes

• Upper limit: Lithofacies boundary
• Lower limit: Unconformity (Backmarsh deposits)

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

• Distribution: Tsuruoka city - Sakata city -Yuza city, Yamagata Saitama pref.

• Yamanoi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.12, pp.637-652, DOI