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Hitoegane Formation Nakai, 1984

Invalid synonym: Uejigane Formation

• Type locality: Hitoegane, Okuhidaonsengo, Takayama city, Gifu prefecture
• Coherent formation
• late Silurian - early Devonian

• Sedimentary facies: Marine
• Lithofacies: Interbedded tuffaceous mudstone and sandstone
• Lithofacies (Minor): Felsic tuff, Chert, Limestone

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

• Distribution: Hitoegane, Okuhidaonsengo, Takayama city, Gifu pref.
• Fossils (Radiolarians): Goodbodium sp., Secuicollacta vulgaris, Spongocoelia kamitakarensis, Spongocoelia parvus, Zadrappolus spinosus
• Fossils (Limestone): Trilobites (Encrinurus fimbriatus), Stromatopods
• Fossils(Limestone, Corals): Mesofavosites sp., Squameofavosites sp.

• 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.)