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Ogata Basalt Member Ozawa et al., 1985

• Type locality: Ogata city, Minamiakita county, Akita prefecture
• Volcanic rocks
• Miocene

• Lithofacies: Olivine basalt lava (Pillow lava), Tuff breccia, Volcanic lapilli tuff
• Lithofacies (Minor): Basaltic volcanic breccia, Mudstone, Acidic tuff, Sandstone

• Thickness: 200 - 500 m

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

• Distribution: Ogata city, Minamiakita county, Akita pref.; Saruta, Mitane city, Yamamoto county, Akita pref.

• Ozawa et al. (1985) Geology of the Ugo-Hamada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 57p. (in Japanese with English abstract 4p.)
• Ozawa et al. (1985) Geology of the Moritake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 5p.)