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Coastal Sand Dune I-2
- Type locality: Echigo plain, Niigata prefecture
- Coherent formation
- Coastal sand dune
- Holocene
- Correlation: Younger Sand Dune I (Arahama Sand Dune)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Echigo plain, Niigata pref.
- Urabe et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.9, pp.483-494 DOI