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Kashiwagiyama Chert Sheet

• Accretionary complex
• Deposition: Early Triassic, Jurassic (Conodonts, Radiolarians)
• Correlation: Kosendosan Chert

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

• Thickness: 100 - 600 m

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

• Distribution: Futashikadani - Mukuno - Fukatani - Mount Kashiwagiyama - Ajina - Sekido, Iwakuni city, Yamaguchi pref.
• Fossils (Conodonts): Cypridodella mediocris, Cypridodella muelleri, Didymodella alternata?, Enanthiognathus ziegleri, Epigondolella abneptis, Epidongolella nodosa, Epigondolella primitia, Neogondolella faliata?, Neogondolella polygnathiformis, Neohindeodella dropla, Neohindeodella multihamata, Neohindeodella suevica

• Higashimoto et al. (1986) Geology of the Otake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)