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Nocchu Pyroclastics
Abbr.: NCP
- Volcanic rocks
- Pleistocene (44,000 - 42,000 year BP, K-Ar)
- Sedimentary facies (Upper): Scoria-fall deposit, Base-surge deposit
- Sedimentary facies (Lower): Volcanic fan deposit
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Nocchu, Rishiri city, Rishiri county, Hokkaido
- Tephra: Shikotsu-1 Tephra (Spfa-1, 44 - 38 ka)
- Ueki and Kondo (2010) Jour. Geol. Soc. Japan, vol.116, no.12, pp.686-689 DOI