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Nakasato Gravels and Clays Member Nakano et al., 2003

• Type locality: Nakasato, Shigaraki town, Koka city, Shiga prefecture
• Coherent formation
• Pliocene

• Sedimentary facies: Terrestrial
• Sedimentary facies: Wide and deep lake
• Lithofacies: Gravels, Sands
• Lithofacies (Minor): Silt, Lignite

• Thickness: ca. 30 - 50 m or thicker
• Lower limit: Conformity (Shigaraki Gravels Member), Unconformity (Tamba Belt), Abut unconformity (Shigaraki Granite)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Nakasato - Kamiasamiya - Shimoasamiya - Kamiyama - Sugiyama, Shigaraki town, Koka city, Shiga pref.; Okuyamada, Ujitawara city, Tsuzuki county, Kyoto pref.; Wazuka city, Soraku county, Kyoto pref.
• Fossils (Plants): Caryratia orbitalis, Fagus microcaroa, Metasequoia sp., Picea koribai, Pseudolarix kaempferi, Pterocarya paliurus, Quercus rubroidea, Trapa mammillifera
• Tephra: Ogawa Tephra, Nakasato

• Wakita et al. (2013) Geology of the Kyoto-Tonambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 124p. (in Japanese with English abstract 3p.)
• Nakano et al. (2003) Geology of the Minakuchi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 83p. (in Japanese with English abstract 3p.)