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Naruiwa Lavas Nishiki et al., 2014

• Volcanic rocks
• Middle Pleistocene (0.29 Ma)

• Lithofacies: Lava, Welded pyroclastic rocks
• Lithofacies: Orthopyroxene-bearing olivine-clinopyroxene andesite

• Thickness: 20 m
• Upper limit: Unconformity
• Lower limit: Unconformity

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

• Distribution: Naruiwa, Mount Azumaya, Nagano pref.

• Nishiki et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.3, pp.89-103 DOI