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Kanuma Terrace Deposit (Akutsu, 1957)

• Type locality: Namekawa river, Tomioka, Kanuma city, Tochigi prefecture
• Coherent formation
• Pleistocene (ca. 0.15 Ma, Tephra)

• Sedimentary facies (Lower): Fluvial
• Sedimentary facies (Lower): Debris flow deposit, Hyperconcentrated flood flow deposit, River channel deposit
• Lithofacies (Upper): Loam
• Lithofacies (Lower): Gravels, Sands
• Sedimentary structures (Lower): Imbrication

• Thickness (Upper): ca. 10 m
• Thickness (Lower): 15 m
• Lower limit: Unconformity (Namegawa Debris Avalanche Deposit)

• Distribution: Kurokawa river - Namekawa river - Sugatagawa river, Kanuma city, Tochigi pref.; Myojin, Nikko city, Tochigi pref.; Mibu city, Shimotsuga county, Tochigi pref.
• Tephra (Loam): Ag-MzP6, Ag-MzP8, Ag-MzP9, Ag-MzP10, Yaita, Nk-NM, Nk-MA

• Yoshikawa et al. (2010) Geology of the Utsunomiya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 79p. (in Japanese with English abstract 6p.)