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Tokorozawa Formation (Kanto Loam Research Group, 1965) Ueki and Sakai, 2007

Invalid synonym: Tokorozawadai Formation, Kanekodai Formation

• Type locality: Hongo, Tokorozawa city, Saitama prefecture
• Coherent formation
• Higher Terrace Deposit
• middle Pleistocene (0.14 - 0.135 Ma, MIS 6)
• Correlation: Kobiki Terrace Deposit, Hino Terrace Deposit

• Sedimentary facies: Fluvial
• Lithofacies: Gravels

• Thickness: 4 - 19 m
• Upper limit: Unconformity (Tama II Loam, Shimosueyoshi Loam, Ome Formation, Karaborigawa Formation)
• Lower limit: Unconformity (Tokyo Formation)

• Distribution: Hongo, Tokorozawa city, Saitama pref.; Kasumigawa river, Imai, Ome city, Tokyo; Hino hills, Tokyo

• Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)