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Fujina Formation

Invalid synonym: Fujina Mudstone Formation

• Coherent formation
• middle Miocene (14 - 13 Ma)
• Correlation: Furue Formation

• Sedimentary facies: Marine
• Depth of water: Shallow
• Lithofacies: Sandstone, Siltstone
• Lithofacies (Minor): Interbedded sandstone and siltstone

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

• Distribution: Izumo city - Yasugi city, Shimane pref.; Shinji village, Matsue city, Shimane pref.
• Fossils: Fujina fauna
• Fossils: Desmostylus sp., Mizuhobaris izumoensis
• Fossils (Bivalves): Modiolus modiolus difficilis (= Modiolus kurilensis), Macoma optiva, Cultellus izumoensis
• Fossils (Ostracods): Kotoracythere tsukagoshii, Acanthocythereis koreana, Neomonoceratina cf. tsurugasakensis, Neomonoceratina japonica, Palmoconcha irizukii, Elofsonella sp., Laperousecythere sp., Palmenella limicola, Acanthocythereis dunelmensis, Acanthocythereis tsurugasakensis, Robertsonites reticuliformus
• Fossils (Foraminifera): Globorotalia quinifalcata, Globorotalia praescitula, Globigerina praebulloides, Globorotalia peripheroronda, Globigerinita glutinata, Globigerina angustiumbilicata, Globorotalia scitula

• Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
• Sawada et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.4, pp.267-284 DOI
• Matsuura et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.4, pp.312-320 DOI
• Sato et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.8, pp.439-450 DOI
• Tanaka and Nomura (2009) Jour. Geol. Soc. Japan, vol.115, no.6, pp.261-265 DOI
• Utada (2007) Jour. Geol. Soc. Japan, vol.113, no.8, pp.438-453 DOI