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Lower II Terrace Deposit

• Coherent formation
• Pleistocene (12 - 10 ka)

• Sedimentary facies: Debris flow deposit
• Lithofacies: Boulder gravels

• Thickness: 5 m or thinner

• Distribution: Tamagawa river, Oguni city, Nishiokitama county, Yamagata pref.; Tainai river, Tainai city, Niigata pref.

• Takahashi et al. (1996) Geology of the Iidesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 52p. (in Japanese with English abstract 3p.)