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Yabashira Volcanic Rocks

• Type locality: 900 - 2,100 m above sea level of Mount Yabashira, Mount Yatsugatake, Nagano prefecture
• Volcanic rocks
• early Pleistocene (1.1 - 0.9 Ma)

• Lithofacies: Basalt, Dacite

• Eruptive volume: 42.7 km³
• Upper limit: Unconformity (Usonokuchi Gravel Bed)

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

• Distribution: 900 - 2,100 m above sea level of Mount Yabashira, Mount Yatsugatake, Nagano pref.

• Nishiki and Takahashi (2012) Jour. Geol. Soc. Japan, vol.118, no.8, pp.499-515 DOI
• Nishiki et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.5, pp.193-211 DOI