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Madaraokabu Lava Yagi and Yagi, 1958

• Type locality: Irinosawa creek, Arasehara, Shinano city, Kamiminochi county, Nagano prefecture
• Volcanic rocks
• middle Pleistocene

• Lithofacies: Augite hypersthene andesite
• Lithofacies (Minor): Tuff breccia

• Thickness: 50 m or thicker
• Upper limit: Unconformity (Daimyojin Lava, Madaraojobu Lava)

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

• Distribution: Irinosawa creek, Arasehara, Shinano city, Kamiminochi county, Nagano pref.; Nakanosawa creek - Hanagairi creek, Shinano city, Kamiminochi county, Nagano pref.

• Yanagisawa et al. (2000) Geology of the Iiyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 144p. (in Japanese with English abstract 6p.)
• Akahane et al. (1992) Geology of the Nakano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 106p. (in Japanese with English abstract 4p.)