[ Top ] [ Japanese ]

Younger Fan Deposits

• Coherent formation
• Holocene

• Sedimentary facies: Alluvial van deposit
• Lithofacies: Andesite gravels, Sands

• Thickness: 0 - 20 m
• Lower limit: Unconformity (Tentokuji Formation, Kisakata Debris Avalanche Deposits)

• Distribution: Shirayuki river, Nikaho city, Akita pref.

• Ozawa et al. (1982) Geology of the Kisakata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 73p. (in Japanese with English abstract 4p.)