[ Top ] [ Japanese ]

Pumice-eruption stage

• Volcanic rocks
• middle - late Pleistocene (150 - 44 ka)

• Lithofacies: Andesite - Dacite

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

• Distribution: Gunma pref.

• Yamamoto (2016) Jour. Geol. Soc. Japan, vol.122, no.3, pp.109-126, DOI