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Yachidaira Lake Deposit (NEDO, 1991) Furukawa et al., 2018

• Coherent formation
• Pleistocene

• Sedimentary facies: Lacustrine
• Lithofacies: Silt, Sands, Gravels
• Lithofacies (Minor): Debris flow deposit
• Lithofacies (Bottom): Pyroclastic flow deposit

• Thickness (Pyroclastic flow deposit): 2 m or thicker

• Distribution: Yajidaira, Inawashiro city, Yama county, Fukushima pref.

• Furukawa et al. (2018) Geology of the Azuma Yama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 74p. (in Japanese with English abstract 3p.)