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Shuso Formation

• Coherent formation
• Pleistocene

• Sedimentary facies: Terrestrial
• Sedimentary facies: Allluvial fan
• Lithofacies: Sandy gravels
• Lithofacies (Minor): Mud

• Upper limit: Unconformity, partly abut (Nyugawa Formation)
• Lower limit: Unconformity (Izumi Group)

• Distribution: Saijo plain, Ehime pref.
• Tephra: AT

• Kawamura and Nishiyama (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.87-105 DOI