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Sogodai Lava Fujinawa, 1980

• Volcanic rocks
• Pleistocene (0.83 Ma, K-Ar)

• Lithofacies: Calc-alkaline series
• Lithofacies: Augite hypersthene andesite
• Lithofacies: Lava (Many flow units)
• Lithofacies (Minor): Pyroclastic flow deposit

• Source: in the vicinity of Mount Minowasan
• Thickness: Several m or thicker
• Volume: ca. 3 km³
• Upper limit: Unconformity (Yakushidake Lava, Minowasan Lava, Kimenzan Lava, Seishidaira Lava, Kagoyama Lava)
• Lower limit: Unconformity (Nishikarasugawa Andesite)

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

• Distribution: Mount Minowasan, Fukushima pref.; Sogodai - Karasugawa river - Hachiman fall, Yukawa river, Nihonmatsu city, Fukushima pref.

• Sakaguchi (1995) Geology of the Nihonmatsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 4p.)