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Ground Crator Pyroclastic Flow Deposit 1

Abbr.: Gfl-1

• Type locality: Hokkaido
• Volcanic rocks
• Holocene (3.3 ka)

• Lithofacies: Pyroclastic flow deposit (A flow unit)
• Lithofacies: Scoria
• Lithofacies (Minor): Pumice

• Source: Ground crator
• Upper limit: Unconformity (Ground Crator Pyroclastic Flow Deposit 2)
• Lower limit: Unconformity (Shirogane Mudflow Deposit)

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

• Distribution: Hokkaido

• Imura et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.3, pp.203-218 DOI