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Unit A

• Type locality: Hokkaido
• Volcanic rocks
• Holocene (1926 A.D.)

• Sedimentary facies: Snowmelt-type lahar
• Sedimentary facies: Debris avalanche deposit

• Source: Central crator
• Lower limit: Unconformity (Central cone lava)

------ 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