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Amaike-toho Lava
- Type locality: northern part of Mount Yatsugatake, Nagano prefecture
- Volcanic rocks
- Pleistocene - Holocene
- Lithofacies: Hornblende hypersthene augite andesite lava (2 flow units)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: 2,125 m above sea level, east of Lake Amaike - southwest of Mount Yabashirayama, Sakuho city, Minamisaku county, Nagano pref.
- Nishiki et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.5, pp.193-211 DOI
- Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)