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Lower I Terrace Deposit

• Coherent formation
• Pleistocene (Last glacial period)

• Lithofacies: Gravels

• Thickness: 2 - 3 m or thicker

• Distribution: Iwano - Fudosawa, Nagaoka city, Niigata pref.; Takanashi town, Ojiya city, Niigata pref.

• Kobayashi et al. (1991) Geology of the Nagaoka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 132p. (in Japanese with English abstract 6p.)