[ Top ] [ Japanese ]

Ohachidaira Caldera Eruption Deposit

Invalid synonym: Ohachidaira Pyroclastic Flow Deposit, Sounkyo Welded Tuff Bed

• Type locality: Ohachidaira, Mount Taisetsu, Hokkaido
• Volcanic rocks
• Pleistocene (? - 34 ka)
• Contemporaneous heterotopic facies?: Ds-Oh

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Ohachidaira, Mount Taisetsu, Hokkaido; Tokachimitsumata basin, Kamishihoro city, Kato county, Hokkaido

• Ishige et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.4, pp.297-310 DOI
• Ishige and Nakagawa (2017) Jour. Geol. Soc. Japan, vol.123, no.2, pp.73-91, DOI
• Ishii et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.7, pp.348-365 DOI