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Nu-n (Miyata et al., 1988) Hasegawa et al., 2009

Abbr.: Nu-n

• Type locality: Nakashibetsu city, Shibetsu county, Hokkaido
• Tephra
• Pleistocene

• Lithofacies: Pumice
• Lithofacies (Upper, Minor): Scoria, Lithic fragments
• Lithofacies (Lower, Minor): Tuff

• Source: Mashu volcano
• Thickness: 155 cm
• Thickness (Tuff): 2 cm
• Upper limit: Unconformity (Nu-l)
• Lower limit: Unconformity (Nu-o)

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

• Distribution: Nakashumbetsu, Betsukai city, Notsuke county, Hokkaido; Nakashibetsu city, Shibetsu county, Hokkaido; Tokotan, Shibetsu city, Shibetsu county, Hokkaido

• Hasegawa et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.8, pp.369-390 DOI