Cenozoic geochronology.

W. A. Berggren, D. V. Kent, J. J. Flynn, J. A. Van Couvering

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A revised Cenozoic geochronology is presented based upon a best-fit to selected high-temperature radiometric dates on a number of identified magnetic polarity chrons (within the Late Cretaceous, Paleogene, and Neogene) which minimizes apparent accelerations in sea-floor spreading. An assessment of >200 first-order correlations of calcareous plankton biostratigraphic datum events to magnetic polarity stratigraphy yields an improved correlation of the standard magnetostratigraphic, standard biostratigraphic (zonal) and chrono-stratigraphic boundaries, as well as improved resolution in marine-continental stratigraphic correlations. The time scale presented here has been accepted by the Committee on Geochronology as the standard time scale for the Cenozoic for the Decade of North American Geology (DNAG). -Authors

Original languageEnglish (US)
Pages (from-to)1407-1418
Number of pages12
JournalGeological Society of America Bulletin
Issue number11
StatePublished - Jan 1 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Geology

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