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Middle Member

• Accretionary complex
• Siliceous rocks on the ocean floor and at the lower slope of a seamount in the ocean.
• Deposition (Upper): Early - Late Triassic (Radiolarians)
• Deposition (Lower): Permian, early Guadalupian - early Lopingian (Fusulinids)

• Sedimentary facies: Marine
• Lithofacies (Upper): Gray chert
• Lithofacies (Middle): Dark gray - black chert
• Lithofacies (Lower): White - greenish gray chert
• Lithofacies (Minor): Claystone, Dolomite

• Thickness: 40 - 190 m

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

• Distribution: eastern Mount Funabuse, Gifu pref.
• Distribution: Shiraiwa valley, Kanzaki, Yamagata city, Gifu pref.; Konjima, Yamagata city, Gifu pref.; Enbara river - Mandokoro - Nodani?, Enbara, Yamagata city, Gifu pref.
• Fossils (Upper, Radiolarians): Hozmadia sp., Pseudostylosphaera sp., Parentactinia nakatsugawaensis, Hozmadia gifuensis, Oertlispongus sp., Eptingium sp., Eptingium nakasekoi, Poulpus sp., Staurolonche sp., Triassocampe coronate, Triassocampe deweveri, Yeharaia cornigera, Tricolocapsa sp., Tiborella sp., Pseudostylosphaera japonica
• Fossils (Lower, Radiolarians): Albaillella sinuata, Albaillella asymmetrica, Pseudoalbaillella aff. longicornis, Pseudoalbaillella globosa, Pseudoalbaillella fusiformis, Pseudotormentus sp.Raciditor gracilis, Pseudoalbaillella longtanensis, Pseudoalbaillella bella, Cauletella sp., Follicucullus monacanthus, Follicucullus scholasticus, Raciditor scalae, Latentifistula texana, Latentifistula spp., Gustefana obliqueannulata, Foremanhelena triangula, Raciditor inflata, Ishigaum obesum, Ishigaum sp., Trianospongos sp., cauletella sp., Follicucullus scholasticus, Follicucullus ventricosus, Follicucullus porrectus, Follicucullus charveti, Albaillella protolevis, Albaillella angusta, Albaillella flexa, Follicucullus ventricosus, Raciditor inflata, Raciditor scalae, Raciditor glacilis, Latentifistula texana, Latentifistula sp., Triplanospongos sp., Albaillella triangularis, Albaillella excelsa, Neoalbaillella optima, Follicucullus porrectus, Follicucullus scholasticus, Copicyntroides sp., Kashiwara sp., Paracopicyntra akikawaensis

• Sano (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.449-467 DOI
• Kuwahara et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.3, pp.159-173 DOI