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Jigoku-daki Lava and Pyroclastic Rock Ishige and Nakagawa, 2017

Abbr. JG

• Type locality: 1,570 m above sea level, Jigoku fall, West foot, Mount Asahidake, Mount Taisetsu, Hokkaido
• Volcanic rocks
• Pleistocene

• Sedimentary facies: Sediment gravity flow deposit
• Lithofacies: Matrix-supported tuff breccia
• Lithofacies (Matrix): Scoriaceous tuff
• Lithofacies (Grain): Scoria
• Lithofacies: Clinopyroxene-orthopyroxene andesite

• Eruptive volume: < 0.05 km³ DRE
• Thickness: 15 m
• Upper limit: Unconformity
• Lower limit: Unconformity

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

• Distribution: 1,600 m above sea level, West - Northwest foot, Mount Asahidake, Mount Taisetsu, Hokkaido

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