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Uemachi Formation
- Type locality: underground of Uemachi town, Osaka city, Oska prefecture
- Coherent formation
- Pleistocene
- Correlation: Middle terrace deposits
- Sedimentary facies (Upper): Fluvial, Lacustrine
- Sedimentary facies (Middle): Marine
- Sedimentary facies (Lower): Fluvial, Lacustrine
- Lithofacies (Upper): Gravels, Sands
- Lithofacies (Middle): Ma 12
- Lithofacies (Lower): Gravels
- Thickness (Upper): 4 - 12 m
- Thickness (Middle): 0 - 11 m
- Thickness (Lower): 5 - 7 m
- underground of Osaka plain
- [ Upper ]
- +__+__+__+__+_
- Namba Formation
- ~~~~~~~~~~~~~~
- Tenma Formation
- ~~~~~~~~~~~~~~
- Uemachi Formation
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Uemachi town, Osaka city, Oska pref.
- Miyachi et al. (2001) Geology of the Osaka-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 130p. (in Japanese with English abstract 6p.)