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Ota Group

• Type locality: Akiyoshi, Mine city, Yamaguchi prefecture
• Accretionary complex
• Seamount-reef complex
• Deposition: early Carboniferous - middle Permian
• Accretion: Permian

• Sedimentary facies: Marine
• Sedimentary facies: Lower slope of a seamount
• Lithofacies: Sponge spicule chert, Sandstone
• Lithofacies (Minor): Clastic limestone

• Distribution: Mine city, Yamaguchi pref.

• Fujikawa et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.8, pp.609-631 DOI
• Sano et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.71-88 DOI