[ Top ] [ Japanese ]
Takazuru Formation Nakajima et al., 1981
Invalid synonym: Sorogawa Formation, Utono Formation
- Type locality: Takazuru, Kamogawa city, Chiba prefecture
- Accretionary complex
- early Miocene (Nannofossils)
- Correlation: Masuma Formation
- Sedimentary facies: Marine
- Water temperature: Cold ocean current
- Lithofacies: Turbidite
- Lithofacies: Sandstone-dominant Interbedded sandstone and shale
- Sedimentary structures: Cross stratification, Parallel stratification
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Takazuru - Mount Takazuruyama - Kawasaki - Mine - Wada - Amatsura - Boshuohashi bridge - Yokone - Okutani - Utono - Mount Otsukayama, Kamogawa city, Chiba pref.; Choja river, Minamiboso city, Chiba pref.
- Fossils: Silicoflagellates
- Takahashi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.8, pp.375-395, DOI
- Nakajima et al. (1981) Geology of the Kamogawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 107p. (in Japanese with English abstract 7p.)