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Akashima Lavas Miyagi and Uruno, 1959
- Type locality: Akashima island, Toga, Oga city, Akita prefecture
- Caldera?
- Volcanic rocks
- Late Cretaceous (49.3 Ma, FT)
- Contemporaneous heterotopic facies: Nyudozaki Igneous Rocks
- Lithofacies: Orthopyroxene-clinopyrocene andesite- dacite
- Lithofacies: Volcanic breccia, Tuffaceous conglomerate
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Akashima island, Toga, Oga city, Akita pref.
- Kano et al. (2011) Geology of the Toga and Funakawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 127p. (in Japanese with English abstract 4p.)
- Ohguchi et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.17-32 DOI
- Fujimoto et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.51-74 DOI