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Kitatage Formation

Invalid synonym: Kitatake Formation

• Coherent formation
• Higashidaigo basin, Nishidaigo basin
• Miocene

• Sedimentary facies: Fluvial, Lacustrine
• Lithofacies (Upper): Osawaguchi Tuff Member
• Lithofacies (Middle): Conglomerate
• Lithofacies (Lower): Gravel-bearing interbedded sandstone and siltstone, Interbedded siltstone and lignite
• Lithofacies (Minor): Sandstone, Conglomerate

• Thickness (east Daigo): 290 - 670 m or thicker
• Thickness (west Daigo): 300 - 1,000 m
• Upper limit: Conformity (Asakawa Formation, Shidadaira Formation)
• Lower limit: Unconformity (Yamizo Group)

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

• Distribution: Daigo city, Kuji county, Ibaraki pref.; Yamatsuri city, Higashishirakawa county, Fukushima pref.
• Fossils: Mammals (Footprints), Aniai-Daijima mixed type flora

• Hosoi et al. (2017) Jour. Geol. Soc. Japan, vol.123, no.8, pp.613-626 DOI
• Amano et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.69-87 DOI
• Tagiri et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.6, pp.300-313 DOI