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Nosegahara Formation

• Coherent formation
• Terrace deposit
• Pleistocene

• Lithofacies: Gravels, Sands

• Thickness: 10 m or thicker
• Lower limit: Unconformity (Nishi Formation)

• Distribution: Yokawa, Muikamachi, Minamiuonuma city, Niigata pref.

• Yanagisawa et al. (1985) Geology of the Tokamachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 104p. (in Japanese with English abstract 6p.)