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Fuchu Formation

• Coherent formation
• Pleistocene
• Correlation: Tonda Formation

• Sedimentary facies: Fluvial, Lacustrine
• Sedimentary facies: Flood plain
• Sedimentary facies: River terrace, Alluvial fan
• Sedimentary facies: Lower terrace deposits
• Lithofacies: Sands, Gravels
• Lithofacies (Minor): Clay, Volcanic ash

• Thickness: 10 m or thinner
• Lower limit: Unconformity (Osaka Group)

• Distribution: Otsugawa river - Makiogawa river - Ushitakigawa river, Kishiwada city, Osaka pref.; Sanogawa river, Izumisano city, Osaka pref.; Makiogawa river, Izumi city, Osaka pref.

• Itihara et al. (1986) Geology of the Kishiwada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 148p. (in Japanese with English abstract 7p.)