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Fukushima Lava Yanagisawa et al., 2000
- Type locality: Fukushima, Iiyama city, Nagano prefecture
- Volcanic rocks
- early Pleistocene
- Lithofacies: Hypersthene-bearing augite dacite lava
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Fukushima - Mount Shiroyama, Iiyama 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.)