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Shikotsu Pyroclastic Flow Deposit

Abbr.: Spfl

Invalid synonym: Shikotsu Welded Tuff Bed, Shikotsu Pumice Flow Deposit

• Volcanic rocks
• Caldera forming eruptions
• Pleistocene (46 ka)
• Contemporaneous heterotopic facies: Shikotsu-1 Flow Deposit

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

• Distribution: Ishikari lowland, Hokkaido
• Distribution: Misawa, Tomakomai city, Hokkaido; Nopporo hills, Ebetsu city, Hokkaido

• Nakagawa et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.7, pp.473-489 DOI
• Sagayama et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.8, pp.391-405 DOI