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Asahidake West Lower Lavas

Abbr. WL

• Type locality: 520 m above sea level, Piukenai river, Mount Taisetsu, Hokkaido
• Volcanic rocks
• Pleistocene (15 ka, ¹⁴C)

• Sedimentary facies: Lava
• Lithofacies: Clinopyroxene-orthopyroxene andesite

• Source: Summit of Mount Asahidake
• Eruptive volume: 3.6 km³ DRE
• Thickness (WL-1): 80 m
• Running distance (WL-1): 15 km or more
• Upper limit: Unconformity
• Lower limit: Unconformity

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

• Distribution: West - Southwest foot, Mount Asahidake, Mount Taisetsu, 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