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Ko-h Tephra (Katsui et al., 1989) Karisawa et al., 1992
Abbr.: Ko-h
Invalid synonym: Ko-h1
- Type locality: Mount Komagatake, Hokkaido
- Tephra
- late Pleistocene (20 cal ka, 14C)
- Lithofacies: Pumice fall deposit, Pyroclastic flow deposit
- Mode of eruption: Plinian
- Eruptive volume: 0.3 km3 DRE or more
- Stage II
- [ Upper ]
- ~~~~~~~~~~~~~~
- P3
- ~~~~~~~~~~~~~~
- P4
- ~~~~~~~~~~~~~~
- P5
- ~~~~~~~~~~~~~~
- P6
- ~~~~~~~~~~~~~~
- P7
- ~~~~~~~~~~~~~~
- Ko-h
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Northeast, Northwest-West, South flank of Mount Komagatake, Hokkaido; Kameda peninsula, Hokkaido
- Yoshimoto et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.7, pp.336-347 DOI
- Yoshimoto et al. (2007) Jour. Geol. Soc. Japan, vol.113, Supplement, pp.81-92 DOI