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Middle Terrace Deposit
- Coherent formation
- Pleistocene
- Sedimentary facies: Terrace deposit
- Lithofacies: Gravels, Sands, Mud
- Thickness: 20 m or thinner
- Upper limit: Conformity (Weathered volcanic ash)
- Distribution: Shinjo basin, Yamagata pref.
- Distribution: Komata - Nakamura - Rengejo, Mamurogawa city, Mogami county, Yamagata pref.; Yachi, Sakekawa city, Mogami county, Yamagata pref.
- Tsuchiya (1989) Geology of the Osawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 6p.)