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Yakushiyama Basalts Ozawa et al., 1977

• Type locality: Nozoki, Ouchi, Yurihonjo city, Akita prefecture
• Volcanic rocks
• Miocene
• Correlation: Aizen Basalts, Kannonji Basalts

• Lithofacies: Basaltic tuff breccia, Lapilli tuff, Volcanic breccia, Tuff
• Lithofacies (Minor): Basalt lava

• Thickness: 0 - 250 m

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

• Distribution: Nozoki, Ouchi, Yurihonjo city, Akita pref.; Yagyu, Yurihonjo city, Akita pref.

• Ozawa et al. (1988) Geology of the Yashima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 87p. (in Japanese with English abstract 5p.)
• Ozawa et al. (1977) Geology of the Honjo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 54p. (in Japanese with English abstract 4p.)