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Yuragawa Complex Nakae, 1990

• Accretionary complex
• Deposition (Siliceous shale): Early Triassic (Radiolarians)
• Deposition (Chert): Triassic - Early Jurassic (Radiolarians, Conodonts)
• Deposition (Siliceous mudstone): Middle - Late Jurassic (Radiolarians)
• Deposition (Mudstone): Middle - Late Jurassic (Radiolarians)
• Correlation: Kuroi Complex, Ohara Complex

• Sedimentary facies: Marine
• Lithofacies (Upper): Mélange facies
• Lithofacies (Middle): Mélange facies
• Matrix (Upper): Mudstone
• Matrix (Middle): Mudstone
• Exotic blocks (Upper, Slabs): Chert, Mudstone
• Exotic blocks (Upper, Slabs, Minor): Siliceous mudstone, Greenstones, Sandstone, Interbedded sandstone and mudstone, Siliceous tuff
• Exotic blocks (Middle, Slabs, Minor): Chert, Mudstone
• Exotic blocks (Lower, Slabs): Interbedded sandstone and mudstone
• Exotic blocks (Lower, Slabs, Minor): Sandstone, Mudstone, Chert

• Thickness: ca. 3 km or thicker
• Thickness (Middle): ca. 500 - 700 m
• Thickness (Lower): ca. 700 - 1,000 m
• Upper limit: Thrust fault (Furuya Complex, Tsurugaoka Complex, Sasae Complex)

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

• Distribution: Furuya - Hachimandani valley - Kuwabara - Mount Jadanigamine, Kuchiki, Takashima city, Shiga pref.; Ashiodani valley - Myoodani valley - Hekudani valley, Otsu city, Shiga pref.; Ashiu - Kawauchiyagawa river - Hacchogawa river, Miyama town, Nantan city, Kyoto pref.; Kamikawa, Keihokukamiyuge town, Kyoto city, Kyoto pref.; Haribatagawa river - Haccho forest road - Katsuragawa river, Sakyo ward, Kyoto city, Kyoto pref.
• Fossils (Limestone): Corals
• Fossils (Limestone, Fusulinids): Schuibertella sp., Toriyamaia sp.
• Fossils (Radiolarians): Andromeda cf. podbielensis, Archaeodictyomitra apiarium, Archaeodictyomitra brouweri, Archaeodictyomitra imlayi, Archaeodictyomitra minoensis, Archaeodictyomitra opiara, Archaeodictyomitra rigida, Archaeospongoprunum sp., Canoptum sp., Cinguloturris carpatica, Cyrtocapsa mastoidea, Diacanthocapsa? operculi, Dibolachras cf. chandrika, Dictyomitra sp., Dictyomitrella sp., Droltus sp., Eucyrtidiellum ptyctum, Eucyrtidiellum pyramis, Eucyrtidiellum unumaense, Gongylothorax sakawaensis, Guexella nudata, Hsuum cf. brevicostatum, Hsuum maxwelli, Livarella sp., Milax sp., Mirifusus mediodilatatus, Obescapsula rotunda, Orbiculiformia? kanayamaensis, Parahsuum? grande, Parahsuum simplum, Paronaella sp., Parvicingula boesii, Parvicingula dhimenaensis, Parvicingula hsui, Parvicingula mashitaensis, Praeconocaryomma sp., Protunuma fusiformis, Protunuma japonicus, Protunuma ochiensis, Protunuma turbo, Pseudodictyomitra okamurai, Pseudodictyomitra primitiva, Ristoia altissima, Ristoia kamoensis, Ristra altissima, Sethocapsa uterculus, Spongocapsula sp., Stichocapsa japonica, Stichocapsa naradaniensis, Stichocapsa robusta, Stichocapsa tegiminis, Stylocapsa asatica, Stichomitra sp., Stylocapsa? hemicostata, Stichocapsa naradaniensis, Stichocapsa natadaniensis, Stylocapsa oblongula, Stylocapsa? spiralis, Stylocapsa tecta, Syringocapsa sp., Thanaria cf. conica, Tricolocapsa cf. parvipora, Tricolocapsa conexa, Tricolocapsa? fusiformis, Tricolocapsa plicarum, Tricolocapsa cf. rüsti, Tricolocapsa tetragona, Tricolocapsa yaoi, Triassocampe sp., Unuma sp., Williriedellum crystallinum, Xitus gifuensis, Zhamoidellum ovum
• Fossils (Condonts): Cypridodella muelleri, Diplododella sp., Enantiognathus ziegleri, Metapolygnathus cf. bidentatus, Metapolygnathus cf. mungoensis, Neohindeodella? multihamata, Neospathodus? homeri, Neospathodus timorensis, Pollygnathus kochi, Xaniognathus tortilis

• Kimura et al. (2001) Geology of the Kitakomatsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 102p. (in Japanese with English abstract 5p.)
• Kimura et al. (1998) Geology of the Kyoto-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 89p. (in Japanese with English abstract 5p.)
• Nakae and Yoshioka (1998) Geology of the Kumagawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 71p. (in Japanese with English abstract 4p.)
• Kimura et al. (1994) Geology of the Yotsuya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 52p. (in Japanese with English abstract 4p.)
• Nakae (1992) Jour. Geol. Soc. Japan, vol.98, no.5, pp.401-413 DOI
• Hirokawa et al. (1958) Obama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 8p.)