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Nakagawa Sandstone Member Imai et al., 1966
- Type locality: Nakagawa town, Hakui city, Ishikawa prefecture
- Coherent formation
- Pliocene
- Correlation: Murakami Siltstone Member
- Sedimentary facies: Marine
- Lithofacies: Sandstone
- Lithofacies (Top, Minor): Clay
- Sedimentary structures (Top, Minor): Cross stratificaiton
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Nakagawa town - Iiyama town, Hakui city, Ishikawa pref.; Yamazaki, Hodatsushimizu city, Hakui county, Ishikawa pref.
- Fossils (Shellfishes): Acila insignis, Area sp., Chlamys swifti, Glycymeris sp., Limopsis sp., Pecten kurosawaensis, Venericardia sp.
- Sumi et al. (1989) Geology of the Isurugi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)
- Imai et al. (1966) Geology of the Ochigata and Abugashima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 67p. (in Japanese with English abstract 4p.)