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Kakeya caldera
Invalid synonym: Kakeya cauldron
- Volcanic rocks
- Volcanic collapse basin fill deposits
- early Miocene (19.5 - 14.6 Ma, FT; 16.9 - 9.2 Ma, K-Ar; 18.3 Ma, U-Pb)
- Sedimentary facies: Terrestrial, Marine
- Sedimentary facies: Pyroclastic density current deposits
- Kakeya caldera
- [ Upper ]
- ~~~~~~~~~~~~~~
- Hata Formation
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Hata - Kisuki town, Unnan city, Shimane pref.; Mount Sanbesan, Oda city, Shimane pref.; Tonbara, Iinan city, Iishi county, Shimane pref.
- Kano et al. (1998) Geology of the Iwami-Oda and Oura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)