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Ashidaira Lava

• Volcanic rocks
• Pleistocene

• Lithofacies: Hornblende hypersthene augite dacite lava

• Thickness: 60 m
• Distribution (East-West): ca. 4 km
• Upper limit: Unconformity (Inagobokujo Lava)

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

• Distribution: Yukawa river, Minamimaki city, Minamisaku county, Nagano pref.

• Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)