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Washigamine Volcanics

• Volcanic rocks
• early Pleistocene (0.83 Ma, K-Ar)

• Sedimentary facies: Terrestrial
• Lithofacies: Dacitic volcanic rocks, Dacitic lava

• Thickness (Overall): 350 m
• Thickness (A unit): Tens of m
• Upper limit: Unconformity
• Lower limit: Transitional (Wadatoge Volcanics), Unconformity (Wadatoge Volcanics)

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

• Distribution: Mount Washigamine, Wada, Nagawa city, Chiisagata county, Nagano pref.

• Makino et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.7, pp.249-260, DOI