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Shibukawa Gravels Member Nishikawa et al., 1979
- Coherent formation
- Pliocene - Pleistocene
- Sedimentary facies: Terrestrial
- Lithofacies: Gravels
- Thickness: ca. 100 m
- Lower limit: Unconformity
- Kobiwako Group (Higashiomi, Shiga pref.)
- [ Upper ]
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- Shibukawa Gravels Member
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Shibukawa river, Eigenji, Higashiomi city, Shiga pref.
- Harayama et al. (1989) Geology of the Gozaishoyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 145p. (in Japanese with English abstract 6p.)