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Hekikai Formation
- Coherent formation
- Upper: Pleistocene (95 - 70 ka)
- Lower: Pleistocene (120 - 95 ka)
- Correlation: Atsuta Formation
- Sedimentary facies: Marine
- Sedimentary facies: Bay
- Sedimentary facies (Upper): Fore set of delta
- Sedimentary facies (Lower): Bottom set of delta
- Lithofacies (Upper, Main): Sand
- Lithofacies (Upper, Minor): Interbedded sand and mud
- Lithofacies (Lower): Mud (Marine clay)
- Thickness (Northeast): ca. 15 m
- Thickness (Southwest): ca. 35 m
- Lower limit: bottom of a thick marine clay bed
- Anjo city, Aichi pref.
- [ Upper ]
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- Hekikai Formation
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- Koromo Formation
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Shinonome - Anjo station, Anjo city, Aichi pref.
- Makinouchi et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.2, pp.79-94 DOI