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Lower 1 Terrace Deposit

• Coherent formation
• late Pleistocene

• Lithofacies: Gravels, Sands, Silt

• Thickness: 15 m or thicker
• Upper limit: Unconformity (Kaisaka Loam)

• Distribution: Chikuma river, Nagano pref.

• Yanagisawa et al. (2000) Geology of the Iiyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 144p. (in Japanese with English abstract 6p.)