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Segami Formation

• Coherent formation
• middle Eocene
• Correlation: Shikiyama Formation

• Sedimentary facies: Marine
• Sedimentary facies: Shoreface - Inner shelf
• Lithofacies: Interbedded sandstone and mudstone

• Thickness: 230 m or thicker

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

• Distribution: Kamikoshikijima island, Koshikijima islands, Satsumasendai city, Kagoshima pref.

• Tonai et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.11, pp.547-559 DOI