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Iw-ph12 Ito et al., 2018
Invalid synonym: PHD 8
- Phreatic eruption deposit
- Holocene (8.5 - 8.3 cal ka, 14C)
- Sedimentary facies: Terrestrial
- Lithofacies: Argilliceous volcanic ash
- Source: Amihari Motoyu spring
- Thickness: 3 cm
- W9 Unit
- [ Upper ]
- ~~~~~~~~~~~~~~
- Iw-ph12 Tephra
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- Iw-W9 Tephra
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Inukura - Mount Omatsukura, Mount Iwate, Iwate pref.
- Itoh et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.4, pp.271-296 DOI