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Higher Terrace Deposit

• Coherent formation
• Pleistocene

• Sedimentary facies: Fluvial
• Lithofacies: Sands, Gravels

• Thickness: 50 - 70 m
• Lower limit: Unconformity (Yokoteyama Lava)

• Distribution: Ohara, Nakanojo city, Agatsuma county, Gunma pref.

• Ota (1957) Kusatsu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 75p. (in Japanese with English abstract 8p.)