biostratigraphy 1
noundomain: thinking
EnWordnet [ver.5.0]
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EnglishDefinition
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.
Examples
- 1.Although Cretaceous biostratigraphy in the Gulf of Alaska is beyond the scope of this report, Early Cretaceous faunas are reported here from the lower part of the Yakuta
