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Akataki Lava (Fujinawa, 1980) Sakaguchi, 1995

Invalid synonym: Bonari Pyroclastic Flow Deposit

• Volcanic rocks
• Pleistocene

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

• Thickness (1 flow unit): 50 - 80 m
• Upper limit: Unconformity (Motoyama Pyroclastic Flow Deposit, Shojigaiwa Lava)
• Lower limit: Unconformity (Numajiri Pyroclastic Flow Deposit, Shiraitonotaki Lava)

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

• Distribution: Io river, Inawashiro city, Yama county, Fukushima pref.; Ishimushiro river, Koriyama 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.)