Cretaceous-Tertiary boundary

Definition of Cretaceous-Tertiary boundary

Cre`ta´ceous-Tert´i`ar`y boun´da`ry   Pronunciation: krė`tā´shŭs
n.1.a thin layer of geologic deposits, of varying thickness in different parts of the world, found between the geological strata identified as Cretaceous and the strata above, identified as Tertiary; also, the time point or period marking the boundary between the Cretaceous and Tertiary periods.
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Crescive
Cresol
Cresorcin
Cress
Cresselle
Cresset
Cressy
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Crest tile
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Crested oriole
Crestfallen
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Cresylic
Cresylic acid
Cretaceous
Cretaceous acid
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Cretaceous period
-Cretaceous-Tertiary boundary-
Cretaceously
Cretacic
Cretan
Cretan rockrose
Crete
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Cretinism
Cretinous
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