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Shikotsu-6 Tephra

Abbr.: Spfa-6

  • Synonym: Shikotsu-6 Pumice Bed
  • ------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown