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Onoda Formation (Kimura et al., 1982) Miyazaki et al., 2008

• Type locality: Ishimakionoda town, Toyohashi city, Aichi prefecture
• Coherent formation
• Pleistocene

• Sedimentary facies: Fluvial
• Sedimentary facies: Main stream deposit
• Sedimentary facies: Terrace deposit
• Paleo-river system: Toyokawa river
• Lithofacies: Gravels, Sands

• Thickness: ca. 5 - 20 m
• Upper limit: Unconformity (Younger Fan Deposits)

• Distribution: Ishimakionoda town - Ishimakinishikawa town, Toyohashi city, Aichi pref.; Kanazawa town, Toyokawa city, Aichi pref.; Hitokuwada, Shinshiro city, Aichi pref.

• Nakashima et al. (2008) Geology of the Toyohashi and Tahara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 113p. (in Japanese with English abstract 3p.)
• Miyazaki et al. (2008) Geology of the Goyu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 97p. (in Japanese with English abstract 3p.)