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Koshihata Formation Katsuramutsumikai?, 1967
- Type locality: Koshihata, Ukyo ward, Kyoto city, Kyoto prefecture
- Coherent formation
- Pleistocene (0.66 Ma, FT)
- Correlation: upper Osaka Group, Shinocho Formation
- Climate: Temperate (Plants)
- Lithofacies: Gravels, Sands, Clay
- Lithofacies (Minor): Lignite
- Koshihata - Kamiyoshi, Kyoto pref.
- [ Upper ]
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- Hara Formation
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- Kamiyoshi Formation
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- Koshihata Formation
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Koshihata - Mount Atagoyama - Lake Mawaritaike, Ukyo ward, Kyoto city, Kyoto pref.
- Fossils (Plants): Alunus japonica, Lindera umbellata, Potamogeton perfoliatus, Sciadopitys verticillia, Scirpus mucronatus, Sparganium sp., Trapa incisa, Trapa mammillifera
- Fossils (Pollen), Abies sp., Alnus sp., Carpinus-Ostrya, Picea sp.., Pinus sp., Quercus sp., Tsuga sp., Ulmus-Zelkova
- Tephra: Koshihatatanioku Tephra, Mawaritaike Tephra
- Imoto et al. (1989) Geology of the Kyoto-Seihokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 84p. (in Japanese with English abstract 4p.)