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Stratovolcano building stage
- Type locality: Hokkaido
- Volcanic rocks
- Pleistocene (? - 12 ka)
- Sedimentary facies: Terrestrial
- Lithofacies: Andesitic - basaltic lava, scoria
- Stratovolcano building stage
- [ Upper ]
- ~~~~~~~~~~~~~~
- Ma-α
- ~~~~~~~~~~~~~~
- Ma-β
- ~~~~~~~~~~~~~~
- Ma-γ
- ~~~~~~~~~~~~~~
- Ma-δ
- ~~~~~~~~~~~~~~
- Ma-ε
- ~~~~~~~~~~~~~~
- Ma-ζ
- ~~~~~~~~~~~~~~
- [ Lower ]
- Stratovolcano building stage
- [ Upper ]
- ~~~~~~~~~~~~~~
- Younger somma lava
- ~~~~~~~~~~~~~~
- Thick pumice fall deposit
- ~~~~~~~~~~~~~~
- Older somma lava
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Hasegawa et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.8, pp.369-390 DOI