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Unit A-1

Invalid synonym: Uishi Formation (Unit A-1, A-2)

• Accretionary complex
• Deposition: Early Jurassic (Radiolarians)

• Sedimentary facies: Marine
• Lithofacies: Coherent facies, Mélange facies
• Lithofacies (Main): Sandstone, Interbedded sandstone and mudstone
• Lithofacies (Minor): Conglomerate
• Matrix: Mudstone
• Exotic blocks (Crusts): Chert, Greenstones, Sandstone

• Thickness: 600 m or thicker
• Upper limit: Thrust fault
• Lower limit: Thrust fault

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

• Distribution: Uishi seashore, 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