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Nomuragawa Dacite II Kobayashi et al., 2004
- Type locality: Upper reaches of Nomura river, Oga city, Akita prefecture
- Volcanic rocks
- early Miocene
- Lithofacies: Biotite-bearing clinopyroxene-orthopyroxene dacite
- Lithofacies: Pyroclastic flow deposit
- Lithofacies (Upper): Weakly-welded or non-welded pumic lapilli tuff, Tuff (Mafic minerals deficient)
- Lithofacies (Boundary): Well-stratified tuff
- Lithofacies (Lower): Welded pumic lapilli tuff, Tuff
- Lithofacies (Bottom): Tuffaceous siltstone, Tuffaceous sandstone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Oga peninsula, Akita pref.
- Distribution: Upper reaches of Nomura river, 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.)
- Kobayashi et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.10, pp.552-562 DOI
- Sato et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.1, pp.31-46 DOI
- Ohguchi et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.17-32 DOI