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Soda Formation (Endo and Uesugi, 1972) Uesugi, 1976

• Type locality: Soda, Hiratsuka city, Kanagawa prefecture
• Coherent formation
• Pleistocene
• Correlation: Maioka Formation

• Sedimentary facies: Marine
• Lithofacies: Sands
• Sedimentary structures: Cross stratification

• Thickness: 35 m
• Upper limit: Unconformity (Shichikunitoge Formation, Shimosueyoshi Formation)
• Lower limit: Unconformity (Zama Hills Terrace Deposit, Fujisawa Loam)

• Distribution: Soda, Hiratsuka city, Kanagawa pref.
• Fossils: Trace fossils

• Oka et al. (1979) Geology of the Fujisawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 5p.)