[ Top ] [ Japanese ]

Shinanosakai Lava (Photo)

• Volcanic rocks
• ca. 10 hills
• Pleistocene

• Lithofacies (Upper): Agglomerate
• Lithofacies (Middle): Hornblende hypersthene augite andesite lava
• Lithofacies (Lower): Agglomerate

• Thickness (Upper): 3 m
• Thickness (Middle): 5 m
• Thickness (Lower): 3 m
• Distribution (Hills, Height): 10 - 90 m
• Distribution (Hills, Diameter): 150 - 600 m
• Lower limit: Unconformity (Nirasaki Debris Avalanche Deposit)

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

• Distribution: Shinanosakai, Fujimi city, Suwa county, 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.)