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Omodani Rhyolites

• Type locality: Omodani, Ono city, Fukui prefecture
• Volcanic rocks
• Late Cretaceous
• Intruded by: Pyroxene porphyry dyke
• Correlation: Nohi Rhyolites

• Sedimentary facies: Sill, Dyke
• Lithofacies: Rhyolite breccia, Quartz porphyry

• Upper limit: Conformity (Itoo Formation)
• Lower limit: Conformity (Saruzuka Conglomerate Member), Conformity, partly Unconformity (Asuwa Group), Unconformity (Tetori Group, Samondake Unit, Hayashitani Andesites)

• Distribution: Omodani, Ono city, Fukui pref.; Shiraiwa valley, Kanzaki, Yamagata city, Gifu pref.

• Sano (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.449-467 DOI
• Nozawa et al. (1975) Geology of the Hida-Furukawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 9p.)
• 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.)