[ Top ] [ Japanese ]
Mantomi Unit (Suzuki et al., 1988) Sato et al., 2022
- Type locality: Mount Tenjinyama, Minamigata, Seto town, Okayama city, Okayama prefecture
- Accretionary complex
- Accretion: Permian, Lopingian, Wuchiapingin
- Correlation: Oi Formation
- Intruded by: Nibori Granite, Rhyolite - Dacite stocks
- Sedimentary facies: Marine
- Lithofacies: Mélange facies, Coherent facies
- Matrix: Mudstone
- Exotic blocks (Crusts): Chert, Sandstone
- Lithofacies: Interbedded sandstone and mudstone, Sandstone
- Lithofacies (Minor): Siliceous mudstone, Felsic tuff
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Sakane - Mantomi - Kajiya - Mount Tenjinyama, Seto town, Okayama city, Okayama pref.
- Fossils (Radiolarians): Cariver charveti, Entactinosphaera aff. strangulata, Follicucullus charveti, Follicucullus porrectus, Follicucullus scholasticus, Hegleria mammilla, Ishigaconus sp., Ishigaum trifustis, Latentibifistula? sp
- Sato et al. (2022) Geology of the Wake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 106p. (in Japanese with English abstract 4p.)