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Numamachi Formation Kondo in Oishi, 1933
Invalid synonym: Numamachi Alternation
- Type locality: Shimokita, Furukawa town, Hida city, Gifu prefecture
- Coherent formation
- Late Jurassic
- Sedimentary facies: Marine, Terrestrial
- Sedimentary facies: Shallow marine delta
- Sedimentary facies: Flood plain, river channel
- Lithofacies: Interbedded sandstone and mudstone
- Lithofacies (Minor): Conglomerate, Sandstone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Shimiokita, Furukawa town, Hida city, Gifu pref.; Osaka pass, Kamitakara town, Takayama city, Gifu pref.; Kiridani, Kokufu town, Takayama city, Gifu pref.
- Fossils: Bivalves (Myrene (Mesocorbicula) tetoriensis), Ferns, Plants (Cones)
- Matsukawa et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.8, pp.417-437 DOI