Definición de derived fossil en inglés:

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derived fossil

sustantivo

A fossil redeposited in a sediment which is younger than the one in which it first occurred.
Oraciones de ejemplo
  • No débris of Lower Cretaceous rock or derived fossils were found in the contact strata of the Woodbine.
  • Previous reports have described a concretion derived fossil assemblage rich in brine shrimp, chironomid midge pupa, and dytiscid beetle larvae.
  • Most lipid biomarkers do not provide information on whether water column derived fossil species are truly ancient or still physiologically active.
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