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Middle Terrace Deposit

• Coherent formation
• Terrace deposit
• late Pleistocene (0.1 - 0.08 Ma)

• Lithofacies: Gravels
• Lithofacies (Minor): Sands
• Sedimentary structures (Minor): Trough cross-stratification, Parallel

• Thickness: 40 m or thicker
• Upper limit: Unconformity (Kan-nongawa Debris Avalanche Deposit)
• Lower limit: Unconformity (Tsurugaike Debris Avalanche Deposit)

• Distribution: Aga river, Sawada - Oajima, Shimogo city, Minamiaizu county, Fukushima pref.; Kadotani river, Otokane, Shimogo city, Minamiaizu county, Fukushima pref.; Ono river, Ouchi, Shimogo city, Minamiaizu county, Fukushima pref.

• Yamamoto (1999) Geology of the Tajima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 8p.)