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Hagidaira Subunit Matsuoka, 2013
- Type locality: Hagidaira, Higashichichibu city, Saitama prefecture
- Accretionary complex
- Deposition (Matrix): Early Cretaceous (Radiolarians)
- Accretion: Jurassic
- Sedimentary facies: Marine
- Lithofacies: Mélange facies
- Matrix: Slate, Mudstone, Pale green siliceous tuff
- Exotic blocks (Crusts): Pale red chert
- Upper limit: Thrust fault
- Lower limit: Thrust fault
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Yasudo, Higashichichibu city, Saitama pref.
- Hisada et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.7, pp.325-342, DOI