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Lower I Terrace Deposit

• Coherent formation
• Pleistocene
• Correlation: Lower Terrace Deposit

• Lithofacies: Gravels
• Paleocurrent: Southeast to Northwest

• Thickness: 2 - 5 m
• Upper limit: Unconformity (Osato Loam)

• Distribution: Chichibu city, Saitama pref.; Yamazaki, Yorii city, Osato county, Saitama pref.; Shimogo, Hanazono, Fukaya city, Saitama pref.; Minano city, Chichibu county, Saitama pref.; Onishi, Fujioka city, Gunma pref.

• Makimoto and Takeuchi (1992) Geology of the Yorii District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)