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Amidadake Lava

• Volcanic rocks
• Pleistocene

• Lithofacies (Upper): Scoriaceous agglomerate Scoria fall deposit (a few hundreds units)
• Lithofacies (Lower): Lava (ca. 20 flow units)

• Source: South of the summit of Mount Amidadake
• Thickness: 150 m or thicker
• Thickness (A unit): ca. 0.5 - 50 m
• Lower limit: Conformity (Akadake Lava)

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

• Distribution: Mount Amidadake, Hara city, Suwa county - Chino city, Nagano pref.

• Kawachi (1977) Geology of the Yatsugatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 92p. (in Japanese with English abstract 4p.)