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Shibasudani Formaiton

• Coherent formation
• Mudstone: late Silurian - early Devonian (Radiolarians)
• Limestone: Silurian

• Lithofacies: Interbedded sandstone and mudstone, Sandstone, Mudstone, Siliceous mudstone
• Lithofacies (Minor): Limestone

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

• Distribution: Hakogase - Isetoge pass, Ono city, Fukui pref.
• Fossils: Radiolarians

• Tsukada et al. (2004) Jour. Geol. Soc. Japan, vol.110, no.10, pp.640-658 DOI