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Lower Terrace Deposit

• Coherent formation
• Pleistocene

• Sedimentary facies: Marine
• Lithofacies: Gravels
• Lithofacies (Lower reach): Sands

• Distribution: Himekawa river - Umikawa river - Mizuhogawa river - Hayakawa river, Itoigawa city, Niigata pref.

• Nagamori et al. (2018) Geology of the Itoigawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 75p. (in Japanese with English abstract 3p.)