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Hayashinohira Formation

• Coherent formation
• Devonian (Corals)
• Intruded by: Mafic- Intermediate volcanic rocks, Gabbro dykes, Sills, Stocks

• Lithofacies: Felsic tuff, Sandstone, Mudstone
• Lithofacies (Minor): Limestone, Hornfels
• Structures: Schistose

• Thickness: ca. 700 m
• Distribution (Length): ca. 3 km
• Distribution (Width): ca. 1 km

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

• Distribution: Naradani - Hayashinohira - Mazegawa river - Hitotsunashidani valley, Kiyomi town, Takayama city, Gifu pref.
• Fossils (Limestone): Amphipora sp., Clathrodoctyon sp., Favosites cf. bachloides, Favosites cf. cograta, Striatopora sp., Thamnopor? sp.

• Tsukada et al. (2004) Jour. Geol. Soc. Japan, vol.110, no.10, pp.640-658 DOI
• Kawada et al. (1988) Geology of the Hagiwara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 82p. (in Japanese with English abstract 10p.)