[ Top ] [ Japanese ]
Unit 2
Invalid synonym: Uc, Ud, Ue
- Coherent formation
- Yezo forearc basin
- Late Cretaceous, Coniacian - Santonian (Foraminifera)
- Sedimentary facies: Marine
- Depth of water: Continental shelf
- Depth of water: Middle - Upper bathypelagic (Foraminifera)
- Lithofacies (Main): Mudstone
- Lithofacies (Minor): Tuff
- Thickness: ca. 800 m
- Upper limit: bottom of Tomiuchibashi Tuff Bed
- Lower limit: The boundary between the sandy mudstone bed of Unit 1 and the overlying mudstone bed of Unit 2
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mayachi creek, Mayachi, Yubari city, Hokkaito; Porosaru creek - Tosano creek, Mukawa city, Yufutsu county, Hokkaido
- Fossils: Inoceramus sp., Foraminifera
- Hayashi et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.1, pp.14-34 DOI