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Lower I Terrace Deposits

• Coherent formation
• late Pleistocene
• Contemporaneous heterotopic facies: Talus deposit

• Sedimentary facies: Terrestrial
• Lithofacies (Top): Sands, Silt
• Lithofacies: Sands, Gravels

• Thickness (Lower): ca. 2 - 5 m
• Upper limit: Loam
• Lower limit: Unconformity (Kakuma Formation, Minagawa Formation)

• Distribution: Kariyata river, Sanjo city, Niigata pref.; Kamikashiide, Tochio, Nagaoka city, Niigata pref.

• Kudo et al. (2011) Geology of the Kamo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 162p. (in Japanese with English abstract 4p.)
• Kobayashi et al. (2002) Geology of the Sanjo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 98p. (in Japanese with English abstract 4p.)