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Tajibe Formation Goto et al., 2013

• Type locality: Totani - Ohata, Tajibe, Osa village, Niimi city, Okayama prefecture
• Coherent formation
• Miocene (17.0 Ma - 14.9 Ma)

• Sedimentary facies (Upper): Marine
• Sedimentary facies (Middle): Marine, Brackish
• Sedimentary facies (Lower): Fluvial
• Sedimentary facies (Upper): Continental shelf
• Sedimentary facies (Middle): Inland bay, Sand bottom of coast
• Sedimentary facies (Lower): Small fan, Braided river
• Lithofacies (Upper): Interbedded sandstone and mudstone, Shale
• Lithofacies (Middle): Sandstone, Sandy mudstone, Argillaceous sandstone
• Lithofacies (Lower): Conglomerate
• Sedimentary structures (Upper): Hummocky cross-stratification, Flute mark
• Sedimentary structures (Middle): Cross-stratification

• Thickness (Overall): 80 m
• Thickness (Upper): 30 m or thicker
• Thickness (Middle): 30 m or thicker
• Thickness (Lower): 20 m
• Lower limit: Unconformity (Abut)

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

• Distribution: Miyanokami - Kunishi, Tajibe, Osa village, Niimi city, Okayama pref.
• Fossils (Foraminifera): Praeorbulina sicana, Globigerina angustiumbilicata, Globigerina praebulloides, Globigerina glutinata
• Fossils (Calcareous nannofossils): Helicosphaera ampliaperta, Sphenolithus heteromorphus
• Fossils (Ostracods): Pseudoaurila ishizakii, Pseudoaurila okumurai, Cornucoquimba saitoi, Cythere omotenipponica, Acanthocythereis sp., Legitimocythere sp.
• Fossils (Upper): Echinoids (Needles)
• Fossils (Miidle): Crassostrea sp., Tateiwaia sp., Vicarya sp., Anadara sp., Trace fossils

• Goto et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.4, pp.321-333 DOI