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Fukuji Formation Kamei, 1952

Invalid synonym: Fukuji Group

• Type locality: Ichinotani valley, Osobudani valley, Fukuji, Okuhidaonsengo, Takayama city, Gifu prefecture
• Coherent formation
• Devonian
• Correlation: Kamianama Formation

• Sedimentary facies: Marine
• Lithofacies: Muddy limestone, Calcareous mudstone
• Lithofacies (Minor): Felsic tuff, Mudstone, Sandstone
• Sedimentary structures: Cross stratification, Graded bedding

• Thickness: 270 m or thicker

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

• Distribution: Ichinotani valley, Osobudani valley - Ozako - Kanashirozako, Fukuji, Okuhidaonsengo, Takayama city, Gifu pref.
• Fossils: Ostracodermi (Acanthothraci)Orthocerida, Bivalves, Gastropods, Trilobites (Cheirurus (Crotalocephlus) japonicus), Tabulata (Favosites sp.), Tetracorallia (Rhyzophyllum enorme), Stromatopods, Bryozoans, Ostracods, Conodonts
• Fossils (Brachiopods): Atrypidae gen. et sp. indet., Chonetacea gen. et sp. indet., Crania sp., Cymostrophia sp., Eospirifer pariplicatus, Gypidulinae gen. et sp. indet., Howellella sp., Isorthis (Isorthis) fukujiensis, Leptoena sp., Leptostrophia japonica, Rhynchonellida gen. et sp. indet., Schuchertella sp., Suessiacea gen. et sp. indet.

• Tazawa et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.3, pp.127-133 DOI
• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)