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Shiranezaki Formation Sugiyama et al., 1993
- Type locality: Toya, Shiranezaki, Toba city, Mie prefecture
- Accretionary complex
- Fore-arc basin sediments
- Middle Jurassic, Callovian - Late Jurassic, Oxfordian (Radiolarians)
- Sedimentary facies: Marine
- Lithofacies: Coherent facies
- Lithofacies (Main): Mudstone, Mudstone-dominant interbedded sandstone and mudstone, Sandstone, Sandstone-dominant interbedded sandstone and mudstone
- Sedimentary structures: Trough cross-stratification
- Thickness: 100 m
- Upper limit: Unconformity (Matsuo Group)
- Lower limit: Unknown
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Arashima village, Toba city, Mie pref.; Cape Benten, Ijika village, Toba city, Mie pref.
- Fossils (Radiolarians): Archaeodictyomitra apiara, Bernoullium sp., Cinguloturris carpatica, Cryptocapsa sp., Dictyomitrella? kamoensis, Eucyrtidiellum nodosum, Eucyrtidiellum unumaense, Hsuum cf. brevicostatum, Hsuum cf. maxwelli, Loopus cf. nudus, Loopus primitivus, Pseudodictyomitra sp., Sethocapsa sp., Solenotryma ichikawai, Stichomitra sp., Striatojaponocapsa conexa, Tethysetta dhimenaensis, Triversus sp., Unuma cf. echinatus, Williriedellum cf. dierschei, Zhamoidellum ovum,
Spumellaria gen. et sp. indet
- Uchino and Suzuki (2016) Jour. Geol. Soc. Japan, vol.122, no.5, pp.207-222, DOI
- Ohta et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.9, pp.588-593 DOI