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Kengamine-jobu Lavas Nishiki et al., 2007

Abbr.: KJ

• Type locality: 2,010 m above sea level of summit of Mount Kengamine, Sakuho city, Minamisaku county, Nagano prefecture
• Volcanic rocks
• early Pleistocene (0.82 Ma, K-Ar)

• Lithofacies: Clinopyroxene orthopyroxene andesite
• Lithofacies: Lavas (2 flow units), Pyroclastic rocks

• Source: Mount Kengamine
• Eruptive volume: 0.2 km³
• Thickness (A unit): ca. 10 m
• Lower limit: Kengamine-east Lavas, Kengamine Pyroclastics

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

• Distribution: 1,820 - 2,010 m above sea level, summit of Mount Kengamine, Sakuho city, Minamisaku county, 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