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Sakaide Formation

• Coherent formation
• late Pleistocene (20 ka BP, ¹⁴C)
• Correlation: Kitajima Formation

• Sedimentary facies: Marine
• Lithofacies (Upper): Sandy gravels, Mud

• Upper limit: Unconformity (Ayagawa Formation)
• Lower limit: Conformity (Honmachi Formation)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Sakaide lowland, Kagawa pref.
• Tephra (Upper Member): AT

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