biostratigraphy

American

[bahy-oh-struh-tig-ruh-fee] / ˌbaɪ oʊ strəˈtɪg rə fi /

noun

a branch of geology dealing with the differentiation of sedimentary rock units on the basis of the fossils they contain.

biostratigraphy Scientific

/ bī′ō-strə-tĭg′rə-fē /

The study and categorization of rock strata based on their fossil content and distribution. Biostratigraphic data are often considered together with radiometric and paleoenvironmental data as a means of dating rock strata.
Compare lithostratigraphy

Other Word Forms

biostratigraphic

adjective

Etymology

Origin of biostratigraphy

bio- + stratigraphy

Example Sentences

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See Examples For:

biostratigraphy

Puckett, T. M. Santonian–Maastrichtian planktonic foraminiferal and ostracode biostratigraphy of the northern Gulf Coastal Plain, USA.

From Nature ● Apr. 10, 2018

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023