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Hirakata channel
- Coherent formation
- southern Yezo Forearc basin (Jobanoki basin)
- middle Miocene
- Sedimentary facies: Marine
- Sedimentary facies: Shelf - Upper continental slope
- Sedimentary facies: Submarine channel-fill deposit, Submarine slump scar-fill deposit
- Hirakata channel
- [ Upper ]
- ?--?--?--?--?-
- Hr5 Unit
- ~~~~~~~~~~~~~~
- Hr4 Unit
- ~~~~~~~~~~~~~~
- Hr3 Unit
- ~~~~~~~~~~~~~~
- Hr2 Unit
- ~~~~~~~~~~~~~~
- Hr1 Unit
- ~~~~~~~~~~~~~~
- [ Lower ]
- Taga Group (Hirakata, Ibaraki pref.)
- [ Upper ]
- ?--?--?--?--?-
- Hirakata channel
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Cape Kunosaki, Hirakata village, Kitaibaraki city, Ibaraki pref.;
- Ando et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.49-67 DOI