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Kunisaki Complex (Sakaguchi, 1961) Sugamori, 2009

Invalid synonym: Kunisaki Formation

UT-3 Sub-belt

• Type locality: Kunisaki, Kawanishi city, Hyogo prefectre - Tajiri river, Shimotajiri, Nose city, Toyono county, Osaka prefecture
• Accretionary complex
• A late Permian subduction-related accretionary complex deposited on the trench at the front margin of Maizuru Belt.
• Deposition: late Permian (Radiolarians)
• Accretion: late Permian
• Correlation: Kozuki Formation, Hijima Formation

• Sedimentary facies: Marine
• Lithofacies (Upper): Mélange facies
• Lithofacies (Middle): Coherent facies
• Lithofacies (Lower): Mélange facies
• Lithofacies (Upper, Matrix): Mudstone
• Lithofacies (Upper, Exotic blocks): Mafic rocks (Basalt, Basaltic volcaniclastics), Chert, Sandstone
• Lithofacies (Middle): Interbedded sandstone and mudstone
• Lithofacies (Lower, Matrix): Mudstone
• Lithofacies (Lower, Exotic blocks): Mafic rocks (Basalt, Basaltic volcaniclastics), Chert, Sandstone
• Lithofacies (Minor): Conglomerate, Felsic tuff

• Thickness (Overall): 800 m or thicker
• Thickness (Upper): ca. 100 m
• Thickness (Middle): ca. 400 m
• Thickness (Lower): ca. 300 m
• Upper limit: Thrust fault
• Lower limit: Thrust fault

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

• Distribution: Kunisaki, Kawanishi city, Hyogo pref.; Tajiri river, Shimotajiri, Nose city, Toyono county, Osaka pref.
• Fossils (Radiolarians, Felsic tuff): Follicucullus cf. charveti, Follicucullus bipartitus
• Fossils (Radiolarians, Mudstone): Follicucullus charveti, Follicucullus orthogonus, Albaillella yamakitai, Foremanhelena triangula, Follicucullus cf. furca

• Takemura et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.2, pp.117-125 DOI
• Sugamori and Ishiwatari (2015) Jour. Geol. Soc. Japan, vol.121, no.11, pp.391-401, DOI
• Sugamori et al. (2012) Jour. Geol. Soc. Japan, vol.118, Supplement, pp.21-36 DOI
• Sugamori (2009) Jour. Geol. Soc. Japan, vol.115, no.2, pp.80-95 DOI