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Minotonakayama Lava

• Volcanic rocks
• Lava dome
• Pleistocene

• Lithofacies: Aa lava (4 - 5 flow units)
• Lithofacies (Minor): Agglomerate, Scoriaceous agglomerate, Scoria

• Distribution (Lava dome): 500 x 700 m²
• Distribution (Lava, Width): ca. 100 - 250 m
• Running distance: ca. 1 - 3.3 km
• Thickness (Lava dome): ca. 200 m
• Thickness (A unit): 1- 10 m
• Lower limit: Unconformity (Hirogawarazawa Lava, Minoto Lava, Tatsubadani Lava, Shinkyojisan Lava)

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

• Distribution: Mount Minotonakayama, 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.)