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Noshirooki Andesite Ozawa et al., 1985

• Type locality: offshore of Noshiro city, Akita prefecture
• Volcanic rocks
• Miocene

• Lithofacies: Pyroxene andesite lava, Pyroclastic rocks
• Lithofacies (Minor): Basaltic pyroclastic rocks

• Thickness: 500 m or thicker
• Same age as Onnagawa Formation

• Distribution: offshore of Noshiro city, 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.)