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Inagawa Complex (Ishiga, 1990) Sugamori, 2009

Invalid synonym: Inagawa Group, Yamashira Formation, Nagaoyama Formation

• Type locality: Yono river, Minoo city, Osaka prefecture
• Accretionary complex
• A late Permian subduction-related accretionary complex deposited on the trench at the front margin of Maizuru Belt.
• Deposition (Mudstone): middle - late Permian (Radiolarians)
• Accretion: late Permian
• Correlation: Fuchigaki Formation, Tokura Formation, Ajima Formation, Takatsuki Formation
• Intruded by: Kodaiji Quartz Diorite, Nose Pluton, Myoken Pluton, Mikusayama Granitic Complex, Granite porphyry

• Sedimentary facies: Marine
• Lithofacies (Upper): Mélange facies
• Lithofacies (Lower): Interbedded coherent facies (20 - 400 m thick) and mélange facies (200 - 250 m thick)
• Lithofacies (Upper): Sandstone mudstone mélange
• Lithofacies (Lower): Interbedded sandstone and mudstone, Sandstone mudstone mélange
• Lithofacies (Minor): Felsic tuff, Siliceous mudstone, Conglomerate

• Thickness: 2,000 m or thicker
• Upper limit: Thrust fault, Unconformity (Tamaze Formation)
• Lower limit: Thrust fault (Minoo Complex)

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

• Distribution: Hitokura dam - Hitokuraorojigawa river - Lake Chimyoko, Kawanishi city, Hyogo pref.; Ginzan, Inagawa city, Kawabe county, Hyogo pref.; Takayama - Ishidogaoka, Toyono city, Toyono county, Osaka pref.; Yonogawa river, Minoo city, Osaka pref.; Nagaoyama, Ikeda city, Osaka pref.
• Fossils (Radiolarians): Albaillella protolevis (corrected from Albaillella levis), Albaillella triangularis, Follicucullus bipartitus, Follicucullus cf charveti, Follicucullus japonicus, Follicucullus porrectus, Follicucullus scholasticus, Follicucullus cf. ventricosus, Nazorovella infrata, Pseudotormentus kamigoriensis, Triplanospongos dekkasensis

• 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
• Miyachi et al. (2005) Geology of the Kyoto-Seinambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 90p. (in Japanese with English abstract 4p.)
• Matsuura et al. (1995) Geology of the Hirone District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 110p. (in Japanese with English abstract 6p.)