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Kokubu Group

• Coherent formation
• Pleistocene

• Sedimentary facies: Marine, Brackish
• Sedimentary facies: Inland bay
• Lithofacies (Main): Siltstone, Sandstone-dominant interbedded sandstone and siltstone, Siltstone^dominant interbedded sandstone and siltstone, Sandstone, Grabelly sandstone, Sandy conglomerate
• Lithofacies (Minor): Pumice lapilli tuff, Tuff

• Upper limit: Unknown
• Lower limit: Unknown

• Distribution: Kagoshima pref.
• Fossils: Echinoids, Sardinos melanostictus, Gobiidae, Seaweeds, Formica sp.
• Fossils (Bivalves): Anadara sp., Ostrea sp., Arca sp., Lucinoma sp., Crenulilimopsis sp., Pecten sp., Paphia sp.
• Fossils (Foraminifera): Amphistegina cf. gibbosa, Elphidium sp., Hanzawaia sp., Cibicidoides sp.
• Fossils (Plants): Fagus sp., Zelcova sp., Acer sp.

• Uchimura et al. (2014) Jour. Geol. Soc. Japan, vol.120, Supplement, pp.127-153 DOI