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Matsuo Group (Iizuka, 1929)
- Accretionary complex
- Fore-arc basin sediments
- Early Cretaceous (130 Ma, FT), Early Cretaceous, Valanginian - Barremian (Shellfishes, Radiolarians)
- Sedimentary facies: Brackish, Marine
- Lithofacies: Coherent facies
- Lithofacies (Main): Silty mudstone, Sandstone, Mudstone-dominant interbedded sandstone and mudstone
- Lithofacies (Minor): Siliceous tuff
- Lithofacies (Bottom): Conglomerate, Sandstone
- Sedimentary structures: Trough cross-stratification, Ripple marks
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Kunagawa seashore - Futaji, Arashima village, Toba city, Mie pref.; Toya seashore, Uramura village, Toba city, Mie pref.; Tohama seashore, Toba city, Mie pref.; Cape Benten, Ijika village, Toba city, Mie pref.
- Fossils: superfamily Titanosauridae (Bones), Iguanodon (Footprints), Bivalves, Gastropods, Ostrea, Plants
- Fossils (Radiolarians): Allievium sp., Archaeodictyomitra sp., Eucyrtidiellum ptyctum, Eucyrtidiellum unumaense, Gongylothorax favosus, Parvicingula sp., Praeconocaryomma? sp., Pseudodictyomitra conicostriata, Pseudodictyomitra suyarii, Sethocapsa sp., Syringocapsa sp., Tethysetta dhimenaensis, Thanarla cf. pulchra, Triversus? sp., Williriedellum cf. dierschei, Wrangellium sp., Zhamoidellum ovum, Nassellaria 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