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Hiuchiwan Unit
- Accretionary complex
- Deposition (Greenstones): early Carbonifeous (339 - 334 Ma, Sm-Nd)
- Deposition (Chert): late Carboniferous, Permian, Triassic (Radiolarians, Conodonts)
- Deposition (Shale): Early Jurassci (Radiolarians)
- Accretion: Jurassic - Early Cretaceous
- Correlation: Yajiro Complex, Kumogahata Complex, Sanaka Complex, Furuichi Complex, Kamanowa Complex, lower Mimata Complex, lower Minoo Complex, Toshitanigawa Complex
- Sedimentary facies: Marine
- Metamorphic facies (Lower): Prehnite-Pumpellyite
- Lithofacies (Lowr): Alkaline rocks
- Lithofacies (Upper): Mélange facies
- Matrix (Upper): Shale
- Exotic blocks (Upper, Crusts): Sandstone, Limestone, Chert, Greenstones, Acidic tuff
- Lithofacies (Upper, Minor): Conglomerate
- Lithofacies (Middle): Chert
- Lithofacies (Lower): Lava, Pillow lava
- Lithofacies (Lower, Minor): Pillow breccia, Hyalocalstite
- Thickness (Lower): ca. 300 - 700 m
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mito - Ichimori - Funayama, Kyotamba city, Funai county, Kyoto pref.; Yasaka - Tonoda, Hiyoshi town, Nantan city, Kyoto pref.; Kannontoge pass, Sonobe town, Nantan city, Kyoto pref.; Naka - Mount Koganegatake - Mount Hitsujigatake - Hatayama - Kamisasami - Fukui, Tambasasayama city, Hyogo pref.
- Fossils (Conodonts): Gnathodus roundyi, Gondolella clarki, Idiognathoides delicatus, Idiognathoides sinuatus, Neospathodus homeri, Ozarkodina expansa, Streptognathus elongatus
- Fossils (Radiolarians): Archaeosematis, Canoptum triassicum, Follicucullus spp., Parahsuum simplum, Pseudoalbaillella bulbosa, Pseudoalbaillella lomentaria, Pseudoalbaillella nodosa, Pseudoalbaillella simplex, Pseudoalbaillella u-forma, Triassocampe deweveri
- Kurimoto et al. (1993) Geology of the Sasayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 5p.)
- Imoto et al. (1991) Geology of the Sonobe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 68p. (in Japanese with English abstract 4p.)