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Tokaen Gravel Bed Sakamoto et al., 1984

• Coherent formation
• Higher terrace depositsl
• middle Pleistocene
• Correlation: Ama Formation

• Sedimentary facies: Fluvial
• Paleo-river system: Utsutsugawa river
• Lithofacies (Upper): Gravels
• Lithofacies (Upper, Minor): Sands
• Lithofacies (Middle): Sands, Silt
• Lithofacies (Lower): Gravels
• Lithofacies (Lower, Minor): Sands, Silt

• Thickness: 20 m or thicker
• Thickness (Upper): ca. 2 m
• Thickness (Middle): 1 - 2 m
• Thickness (Lower): 15 m or thicker

• Distribution: Tegawa, Kasugai city, Aichi pref.

• Sakamoto et al. (1984) Geology of the Nagoya-Hokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 64p. (in Japanese with English abstract 3p.)