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Oomigawa Formation Yoneyama Research Group, 1964
Invalid synonym: Omigawa Formation
- Type locality: Omigawa, Kashiwazaki city, Niigata prefecture
- Coherent formation
- Higher terrace deposit (Omigawa Terrace)
- middle Pleistocene
- Correlation: Higher Terrace Deposit, Kume Conglomerate?
- Lithofacies: Gravels, Sands, Silt
- Sedimentary structures: Cross stratification
- Yoneyama, Niigata pref.
- [ Upper ]
- ~~~~~~~~~~~~~~
- Yasuda Formation
- ~~~~~~~~~~~~~~
- Oomigawa Formation
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Omigawa - Yoneyama seashore - Shiiya, Kashiwazaki city, Niigata pref.
- Takeuchi et al. (1996) Geology of the Kakizaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 48p. (in Japanese with English abstract 5p.)
- Kobayashi et al. (1995) Geology of the Kashiwazaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 102p. (in Japanese with English abstract 4p.)