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Yumiorezawa Formation Sato, 1956
Invalid synonym: Uenohata Formation
- Type locality: Yumiorezawa creek, Kashima ward, Minamisoma city, Fukushima prefecture
- Coherent formation
- Late Permian
- Correlation: Lower Toyoma Formation
- Sedimentary facies: Marine
- Lithofacies (Upper): Interbedded shale and sandstone
- Lithofacies (Lower): Shale
- Lithofacies (Lower, Minor): Usuginu Conglomerate, Sandstone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Yumiorezawa creek - Kibuchizawa creek - Ainosawa creek - Taikozawa creek, Kashima ward, Minamisoma city, Fukushima pref.
- Fossils (Limestone gravels, Fusulinids): Lepidolina toriyamai, Ozawainella sp., Pseudodoliolina sp., Verbeekina sp.
- Fossils (Limestone gravels, Corals): Waagenophyllum indicum, Wentzelloides maiyaensis
- Yanagisawa et al. (1996) Geology of the Somanakamura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 9p.)