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Uchiyama Formation Takeuchi et al., 2015
- Type locality: Junikanno flume, Left bank of Kurobe river, Toyama prefecture
- Coherent formation
- Early - Late Cretaceous (110 - 96.6 Ma, FT, U-Pb)
- Contemporaneous heterotopic facies: Shiritakayama Formation
- Correlation: Akahageyama Formation
- Sedimentary facies: Terrestrial
- Lithofacies (Upper, Main): Sandstone, Conglomerate
- Lithofacies (Upper, Minor): Andesitic tuff, Rhyolitic tuff
- Lithofacies (Middle): Rhyolitic rocks
- Lithofacies (Lower, Main): Rhyolitic tuff
- Lithofacies (Lower, Minor): Rhyolitic tuff breccia, Mudstone
- Lithofacies (Bottom): Conglomerate
- Thickness: 360 - 500 m
- Upper limit: Conformity
- Lower limit: Unconformity
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Ochi - Sasakomata valley, Asahi city, Toyama pref.; Mount Oitsurushi, Nyuzen city, Toyama pref.
- Takeuchi et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.7, pp.193-216, DOI
- Takeuchi et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.1, pp.1-17 DOI