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Susoaidaira Pyroclastic Rock and Lava Ishige and Nakagawa, 2017

Abbr. SD

• Type locality: 2,200 m above sea level, Kinko-iwa, Summit, Mount Asahidake, Mount Taisetsu, Hokkaido
• Volcanic rocks
• Pleistocene (ca. 9.0 ka - 7.5 ka)

• Sedimentary facies: Lava, Pyroclastic fall deposit, Pyroclastic surge deposit
• Lithofacies: Interbedded tuff breccia and volcanic breccia
• Lithofacies: Clinopyroxene-orthopyroxene andesite

• Eruptive volume: 0.05 km³ DRE
• Thickness (Pyroclastic rocks): 100 m
• Upper limit: Unconformity
• Lower limit: Unconformity

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

• Distribution: Upper part of pyroclastic cone and North foot, Mount Asahidake, Mount Taisetsu, Hokkaido

• Ishige and Nakagawa (2017) Jour. Geol. Soc. Japan, vol.123, no.2, pp.73-91, DOI