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Uonogawa Loam Niigata Heavy Mineral Research Group, 1976

• Loam
• Pleistocene

• Lithofacies: Loam

• Thickness: 2 m
• Lower limit: Conformity (Uenohara Formation)

• Distribution: 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.)