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Higher Terrace I Deposit

• Coherent formation
• Pleistocene
• Correlation: T₁ Terrace Deposit

• Sedimentary facies: Fluvial
• Climate: Cool (Pollen)
• Lithofacies: Sands, Gravels, Silt

• Distribution: Tsuboyama, Kawanishi, Tokamachi city, Niigata pref.
• Fossils (Pollen): Conifers

• Kobayashi et al. (1989) Geology of the Okanomachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 112p. (in Japanese with English abstract 5p.)