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Towada-Ofudo Pyroclastic Flow Deposit (Tohoku Region Quaternary Research Group, 1969) Takarada and Muraoka, 2004

Abbr.: To-Of

Synonym.: Towada-Ofudo Tephra

Synonym (Invalid).: Ofudo Pumice Tuff, Ofudo ignimbrite, Fukuoka Pumice (a part), Fukuoka Formation (a part)

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