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Towada Terrace Deposits Kudo, 2005

Invalid synonym: Sanbongi Formation (a part)

• Type locality: Akanuma, Towada city, Aomori prefecture
• Coherent formation
• Pleistocene (15 - 12 ka)

• Lithofacies: Gravels, Sands
• Sedimentary structures: Paralle stratification, Cross-stratification

• Thickness: 25 m
• Lower limit: Unconformity (Towada Hachinohe Pyroclastic Flow Deposit)

• Distribution: Towada face, Aomori pref.
• Distribution: Akanuma, Towada city, Aomori pref.; Oirase river - Goto river - Kirida river - Katafuchi river - Sawada - Tamogi - Hanzai pond - Toyokawa, Towada city, Aomori pref.

• Kudo (2005) Geology of the Towada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 79p. (in Japanese with English abstract 3p.)