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Furume Welded Tuff Katsui, 1962

Abbr.: FWT

Synonym: Furume Pyroclastic Flow Deposit

• Type locality: Hokkaido
• Tephra
• Pleistocene (0.34 Ma)

• Sedimentary facies: Pyroclastic Flow Deposit
• Lithofacies: Welded tuff

• Upper limit: Unconformity (Kutcharo Tephra VI)
• Lower limit: Unconformity (Ak13)

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

• Distribution: Hokkaido

• Hasegawa et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.12, pp.686-699 DOI
• Hasegawa and Nakagawa (2007) Jour. Geol. Soc. Japan, vol.113, no.2, pp.53-72 DOI