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Unit B-1

Invalid synonym: Koura Complex (Unit B-1, B-2, B-3)

• Accretionary complex
• Deposition: Early Jurassic (Radiolarians)

• Sedimentary facies: Marine
• Lithofacies: Mélange facies
• Matrix: Mudstone
• Exotic blocks (Crusts): Chert, Greenstones, Sandstone

• Upper limit: Thrust fault
• Lower limit: Thrust fault

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

• Distribution: Ayame seashore - Semui temple, Yuasa city, Arida county, Wakayama pref.
• Fossils (Radiolarians): Parahsuum simplum, Canoptum sp., Parahsuum sp.

• Yao (2012) Jour. Geol. Soc. Japan, vol.118, Supplement, pp.90-106 DOI