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Lower Terrace Deposits

• Coherent formation
• Strath terrace, Omigawa river depsits
• Pleistocene

• Sedimentary facies: Alluvial fan
• Sedimentary facies (Upper): Lacustrine
• Sedimentary facies (Bottom): Flood plain
• Lithofacies (Upper): Mud
• Lithofacies: Sands, Gravels
• Lithofacies (Bottom): Clay

• Thickness: ca. 1.2 m or thicker
• Lower limit: Unconformity (Udatsuyama Formation)

• Distribution: Karugano - Nagara town - Yochi, Kahoku city, Ishikawa pref.

• Sumi (1978) Geology of the Tsubata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 55p. (in Japanese with English abstract 4p.)