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

• Coherent formation
• Pleistocene (MIS 3)

• Sedimentary facies: River terrace deposit
• Lithofacies (Upper): Mud
• Lithofacies: Sands, Gravels

• Thickness: 2 - 5 m
• Upper limit: Conformity (Tachikawa Loam)

• Distribution: Tsurumai, Ichihara city, Chiba pref.; Sasago - Yanagawa river, Kisarazu city, Chiba pref.

• Nanayama et al. (2016) Geology of the Mobara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)
• 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.)