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Middle Terrace Deposit

• Coherent formation
• Pleistocene

• Sedimentary facies: Fluvial
• Sedimentary facies (Upper): Loam
• Sedimentary facies (Lower): Debris avalanche deposit, Hyperconcentrated flood flow deposit
• Lithofacies (Upper): Clay
• Lithofacies (Lower): Gravels, Sands
• Sedimentary structures: Parallel stratification

• Thickness (Upper): 2 - 4 m
• Thickness (Lower): 3.5 m or thinner

• Distribution: Mount Hiyama - Mount Hayama, Nihonmatsu city, Fukushima pref.; Mount Kuchibuto - Mount Kotaishi - Mount Hanazuka, Kawamata city, Date county, Fukushima pref.
• Tephra: Nm-MZ, Ad-DK, Bn-HP1, Bn-HP2

• Kubo et al. (2015) Geology of the Kawamata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 86p. (in Japanese with English abstract 4p.)