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Ichihara I Terrace Deposits (Sugihara et al., 1974) Tokuhashi and Endo, 1984

• Coherent formation
• Pleistocene

• Sedimentary facies: Terrace deposit
• Lithofacies: Sands
• Lithofacies (Basal): Gravels

• Thickness: 1 - 5 m
• Upper limit: Unconformity (Musashino Loam)
• Lower limit: Unconformity (Joso Formation)

• Distribution: Imai, Sodegaura city, Chiba pref.; Kamikarasuda - Jozai, Kisarazu city, Chiba pref.
• Tephra: Hk-OP

• Komatsubara et al. (2004) Geology of the Kisarazu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 64p. (in Japanese with English abstract 3p.)
• Tokuhashi and Endo (1984) Geology of the Anesaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)