Definition of derived fossil in English:

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derived fossil

noun

A fossil redeposited in a sediment that is younger than the one in which it first occurred.
Example sentences
  • 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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