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Oguradani Formation

Invalid synonym: Komukudani Clayslate Member

• Coherent formation
• middle Permian (Fusulinids, Brachiopods)
• Correlation: Moribu Formation

• Lithofacies: Sandstone, Mudstone
• Lithofacies (Minor): Tuff
• Lithofacies (Basal): Limestone

• Lower limit: Unconformity (Konogidani Formation)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Sasabugawa river - Oguradani valley - Ottodani valley, Ono city, Fukui pref.
• Fossils (Limestone): Crinoids, Corals, Fusulinids (Prafusulina sp.)
• Fossils (Limestone, Brachiopods): Camarophoria cf. humbletonensis, Derbyia sp., Entetoles cf. acuteplicatus, Geinetzella sp., Luciella planoconuexa, Lyttonia richthcfenii, Marginifera sp., Paraceltites cf. elegans, Phrycodothyris sp., Productus flemingii, Schellwinella regina

• Tsukada et al. (2004) Jour. Geol. Soc. Japan, vol.110, no.10, pp.640-658 DOI
• Kawai et al. (1957) Arashimadake, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 110p. (in Japanese with English abstract 13p.)