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[bahy-oh-struh-tig-ruh-fee] /ˌbaɪ oʊ strəˈtɪg rə fi/
a branch of geology dealing with the differentiation of sedimentary rock units on the basis of the fossils they contain.
Origin of biostratigraphy
Related forms
[bahy-oh-strat-i-graf-ik] /ˌbaɪ oʊˌstræt ɪˈgræf ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for biostratigraphy
  • Much of his work focused on linking mammalian fossils to specific geologic formations, a field known as biostratigraphy.
  • biostratigraphy is the science of correlation of sedimentary units base on the identifiable fossils they contain.
  • The use of fossils in relative time dating is called biostratigraphy.
  • The apparent contradiction of pollen biostratigraphy and radiocarbon dating merits further examination.
biostratigraphy in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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