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Middle I Terrace Deposit Usuda et al., 1979

• Coherent formation
• late Pleistocene

• Lithofacies: Gravels

• Thickness: 2 - 3 m

• Distribution: Hanadateno - Handoji, Tsuchikawa, Daisen city, Akita pref.; Jinguji, Daisen city, Akita pref.

• Tsuchiya and Yoshikawa (1994) Geology of the Kariwano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 72p. (in Japanese with English abstract 4p.)