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Lower 1 Terrace Deposits

• Coherent formation
• Pleistocene (37,000 - 16,639 cal yBP, ¹⁴C)

• Sedimentary facies: Fluvial
• Sedimentary facies: Slope collapse deposits
• Lithofacies: Gravels, Sands
• Lithofacies (Minor): Silt

• Thickness: ca. 7 - 20 m

• Distribution: Saitagawa river - Nagano, Mitoyo city, Kagawa pref.; Dokigawa river - Sabumi - Gomo, Manno city, Nakatado county, Kagawa pref.; Nishishutsu - Higashishutsu, Miyoshi city, Tokushima pref.
• Tephra: AT

• Noda et al. (2021) Geology of the Ikeda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 150p. (in Japanese with English abstract 5p.)