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Shirasawatengu Volcanics

• Type locality: Mount Shirasawatengu, Nagano prefecture
• Volcanic rocks
• Caldera complex
• early Pleistocene (ca. 1.6 Ma, Tephra)

• Sedimentary facies: Terrestrial
• Lithofacies: Rhyolitic welded tuff
• Lithofacies (Minor): Caldera-collapse breccia

• Thickness: 2,000 m or thicker

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

• Distribution: Mount Shirasawatengu, Nagano pref.

• Harayama (2015) Jour. Geol. Soc. Japan, vol.121, no.8, pp.293-308, DOI
• Harayama et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.63-81 DOI