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Younger volcanic-cone-building stage

• Volcanic rocks
• Middle Pleistocene (220 - 150 ka)
• Contemporaneous heterotopic facies: Volcanic Fan 1 Deposit

• 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