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Wadatoge Volcanics Suwa-no-Shizenshi, 1975

• Volcanic rocks
• early - Middle Pleistocene (1.15 - 0.65 Ma, K-Ar)

• Sedimentary facies: Terrestrial
• Sedimentary facies: Vent, Lava flow, Block-and-ash-flow deposit
• Lithofacies: Rhyolite dike, Rhyolite lava (Obsidian), Rhyolitic pyroclastic flow deposit, Rhyolitic tuff breccia

• Thickness (Overall): 200 m
• Thickness (A unit): 5 - tens of m
• Upper limit: Transitional (Washigamine Volcanics), Unconformity (Washigamine Volcanics)
• Lower limit: Unconformity (Upper Mitsumineyama Lava)

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

• Distribution: 1,250 - 1,657 m above sea level, Wada pass, Wada, Nagawa city, Chiisagata county, Nagano pref.; Omekura - eastern Wada - Sannomata creek, Nagawa city, Chiisagata county, Nagano pref.

• Makino et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.7, pp.249-260, DOI
• Mukai et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.8, pp.400-422 DOI
• Sawamura and Owa (1953) Suwa, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 4p.)