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Bodaira Tuff Morishita et al., 1957

• Type locality: Bodaira, Omi city, Higashichikuma county Nagano prefecture
• Volcanic rocks
• Miocene

• Lithofacies: Acidic tuff
• Lithofacies (Minor): Carboniferous mudstone Gravels

• Thickness: ca. 10 - 20 m

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

• Distribution: Taka - Yamazaki - Bodaira - Magome - Onoda - Ichigozawa - Dorodaira, Omi city, Higashichikuma county, Nagano pref.; Sasakyu - Kirisawa, Ooka, Nagano city, Nagano pref.
• Fossils: Shellfishes (Shinanodonta sp.), Silicified wood
• Fossils (Bodaira subflora): Acer protopalmatum, Alnus sp., Bambusium yadakeides, Carpinus crosa, Carpinus subjedoensis, Castanea cf. crenata, Cyclobalanopsis sp., Euonymus sp., Fagus oblongus, Fagus palaeocrenata, Fagus cf. protojaponica, Lastrea sp., Lindera protoaciculata, Liquidamber formosana, Magnolia sp., Metasequoia japonica, Osmunda sp., Pterocarya asymmetrosa, Quercus dentata, Quercus protoaliena, Quercus protocrispula, Quercus protosalicina, Rhododendron sp., Salix sp., Smilax china, Zelkova ungeri

• Kato and Sato (1983) Geology of the Shinano-Ikeda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 7p.)
• Kato (1980) Geology of the Sakaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 57p. (in Japanese with English abstract 5p.)