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Madaraojobu Lava Yagi and Yagi, 1958

• Type locality: summit of Mount Madarao, Shinano city, Kamiminochi county, Nagano prefecture
• Volcanic rocks
• middle Pleistocene (1.1, 0.81, 0.71 Ma, K-Ar)

• Lithofacies: Hypersthene augite andesite lava, Pyroclastic rocks

• Thickness: 100 - 200 m
• Lower limit: Unconformity (Daimyojin Lava, Madaraokabu Lava, Arasehara Pyroclastic Rocks)

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

• Distribution: Mount Madarao - Manzaka pass, Shinano city, Kamiminochi county, Nagano pref.; Wakui, Nakano city, 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.)