[ Top ] [ Japanese ]
Daijima Formation
Invalid synonym: Kohama Sandstone Member, Kanegasaki Tuff Member
- Type locality: Daijima, Funagawaminato, Oga city, Akita prefecture
- Coherent formation
- early Miocene (20 - 18 Ma; 20 Ma, FT)
- Correlation: Nomuragawa Formation
- Sedimentary facies: non-Marine
- Lithofacies (Main): Sandstone, Conglomerate, Dacitic pyroclastic flow deposit, Basaltic andesite lava
- Lithofacies (Minor): Siltstone, Mudstone, Coal
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: 100 - 400 m above sea level of Sugoroku river - Daijima, Funagawaminato, Oga city, Akita pref.
- Fossils: Daijima flora
- Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
- Kano et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.6, pp.351-364 DOI
- Kobayashi et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.10, pp.552-562 DOI
- Sato et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.1, pp.31-46 DOI