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U-II Formation

• Coherent formation
• Late Cretaceous, Campanian (Bivalves)

• Sedimentary facies: Marine

• Thickness: 680 m or thicker
• Upper limit: Conformity
• Lower limit: Conformity

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

• Distribution: Mount Yohagimaru - Tsuburazaki seashore, Shimokoshikijima island, Koshikijima islands, Satsumasendai city, Kagoshima pref.

• Komatsu et al. (2014) Jour. Geol. Soc. Japan, vol.120, Supplement, pp.19-39 DOI
• Tonai et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.11, pp.547-559 DOI