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Ch-c (Miyata et al., 1988) Hasegawa et al., 2009

Abbr.: Ch-c

• Type locality: Nakashumbetsu, Betsukai city, Notsuke county, Hokkaido
• Tephra
• Pleistocene
• Correlation: WTfl-2, Atosanupuri Pyroclastic Flow Deposit

• Lithofacies: Pumice, Pyrclastic flow deposit
• Lithofacies: 6 interbedded pumice and tuff

• Source: Atosanupuri volcano or Kutcharo volcano
• Thickness: 30 cm
• Upper limit: Unconformity (Ch-b)
• Lower limit: Unconformity (Ch-d)

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

• Distribution: Konsen area, Hokkaido

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