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Neo Mélange

Invalid synonym: Neo Formation, Taniai Formation

• Accretionary complex
• Deposition (Chert): Middle Triassic - Middle Jurassic (Radiolarians)
• Deposition (Matrix): Middle Jurassic - Early Cretaceous (Radiolarians)
• Accretion: Middle Jurassic - Early Cretaceous (Radiolarians)

• Sedimentary facies: Marine
• Matrix: Pelitic rocks
• Exotic blocks (Crusts): Siliceous micrite, Chert, Siliceous mudstone, Sandstone, Basalt

• Upper limit: Thrust fault (Funabuseyama rock mass, Yokinzan Mélange, Oigatani Chert-Limestone)
• Lower limit: Thrust fault

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

• Distribution: Kugo - Negihora, Yamagata city, Gifu pref.; Shimoosu, Motosu city, Gifu pref.; Haeboshigawa river - Nukumigawa river, Ono city, Fukui pref.
• Fossils (Radiolarians): Amphipyndas? sp., Andromeda sp., Archaeodictyomitra apiara, Archaeodictyomitra bloweri, Archaeodictyomitra minoensis, Archaeodictyomitra pseudoscalaris, Archaeospongoprunum japonicam, Bentraccium sp., Canpptum sp., Capnodace sarisa, Canoptum sp., Cingulolurris sp., Corum sp., Dictyomitra sp., Dictyomitrella? kamoensis, Eptingium sp., Eucyrtidiellum ptyctum, Eucyrtidiellum pustulatum, Eucyrtidiellum cf. pyramis, Eucyrtidiellum? unumaense, Eucyrtidium? ptyclum, Gorgansium sp., Hsuum inexploratum, Hsuum maxwelli, Lithostrobus sp., Mirifusus baileyi, Mirifusus guadalupensis, Mirifusus mediodilatatus, Mita sp., Orbiculiforma? kamayamaensis, Orbiculiforma sakaii, Palaeosaturnalis bifidus, Pantanellium foveatum, Parahsuum simplum, Paronaella? sp., Parvicingula cf. altissima, Parvicingula mashitaensis, Pentactinocarpus fusiformis, Podobursa sp., Praeorbiculiformella? sp., Protunuma fusiformis, Protunuma japonica, Pseudodictyomitra cf. carpatica, Pseudodictyomitra minoensis, Pseudodictyomitra primitiva, Pseudoeucyrtis sp., Rezium? sp., Saitoum? sp., Sarla sp., Sethocapsa spp., Solenotryma? sp., Spongocapsula sp., Staurodors? sp., Staurosphaera sp., Stichocapsa convexa, Stichocapsa japonica, Stichomitra sp., Syringocapsa sp., Tetraditryma sp., Thanarla sp., Triassocampe? annulata, Triassocampe deweveri, Triassocampe? japonica, Tricolocapsa conexa, Tricolocapsa? fusiformis, Tricolocapsa plicarum, Tricolocapsa cf. rüsti, Tricolocapsa tetragona, Tricolocapsa yaoi, Tripocyclina sp., Trillus sp., Tritrabs sp., Unuma sp., Williriedellum cf. crystallinum, Xitus gifuensis, Yeharaia elegance,

• Sano et al. (2017) Jour. Geol. Soc. Japan, vol.123, no.3, pp.163-178 DOI
• Wakita (1991) Geology of the Tanigumi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 53p. (in Japanese with English abstract 4p.)
• Kawai (1964) Neo, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 66p. (in Japanese with English abstract 12p.)