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Utsukushigahara Volcanics (Suwa-no-Shizenshi, 1975) Mukai et al., 2009

• Volcanic rocks
• Pleistocene

• Lithofacies: Andesite lava

• Lower limit: Unconformity (Karasawa Granodiorite, Uchimura Formation)

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

• Distribution: 1,600 - 2,000 m above sea level of Utsukushigahara plateau, Nagano pref.

• Mukai et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.8, pp.400-422 DOI