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Yakushidake Lava (Fujinawa, 1980) Sakaguchi, 1995

Invalid synonym: Yakushidakeshita Lava

• Volcanic rocks
• Pleistocene

• Lithofacies: Calc-alkaline
• Lithofacies: Olivine-bearing augite hypersthene andesite
• Lithofacies: Lava

• Thickness: ca. 300 m
• Upper limit: Unconformity (Maegatakenishi Lava, Otaki Lava, Maegatake Lava, Sennyodaira Lava, Tetsuzan-Yahazumori products, Seishidaira Lava, Adatarayama Lava)
• Lower limit: Unconformity (Sogodai Lava, Endogataki Lava, Dake Lava)

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

• Distribution: Mount Osho, Koriyama city, Fukushima pref.; Mount Yakushi - Adatarakogen ski field, 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.)