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Sekigawa Formation

• Coherent formation
• Terrace deposit
• Holocene

• Lithofacies: Gravels, Sands, Silt

• Distribution: Sekigawa river - Yahagigawa river, Arai, Myoko city, Niigata pref.

• Takeuchi and Kato (1994) Geology of the Takada-tobu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 67p. (in Japanese with English abstract 5p.)
• Akahane and Kato (1989) Geology of the Takada-Seibu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 89p. (in Japanese with English abstract 3p.)