biostratigraphy

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noun bio·stra·tig·ra·phy \-strə-ˈti-grə-fē\

Definition of biostratigraphy

  1. 1 :  the identification of fossils found within sedimentary rock strata as a method of determining the relative geologic age of the rock; also :  the branch of paleontology involving such identification

  2. 2 :  the arrangement of fossils in rock strata

biostratigraphic

\-ˌstra-tə-ˈgra-fik\ adjective

Origin and Etymology of biostratigraphy

International Scientific Vocabulary


First Known Use: 1921


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a rounded knoll or a ridge of ice

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