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High-latitude application of 87Sr/86Sr: Correlation of Nuwok beds on North Slope, Alaska, to standard Oligocene chronostratigraphy
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1990
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Sedimentary RecordEngineeringGeomorphologyEarth ScienceSocial SciencesRegional GeologyPaleoenvironmental ChangeQuaternary ResearchGeological DataGeochronologyIntegrated StratigraphyHigh-latitude ApplicationMarine GeologyGeographyStrontium Isotope RatiosGeologyCryosphereTectonicsNuwok BedsStructural GeologyStrontium Isotope MethodOligocene ChronostratigraphyEarth SciencesPaleoecologyQuaternary Period
Research Article| May 01, 1990 High-latitude application of 87Sr/86Sr: Correlation of Nuwok beds on North Slope, Alaska, to standard Oligocene chronostratigraphy David H. McNeil; David H. McNeil 1Institute of Sedimentary and Petroleum Geology, Geological Survey of Canada, 3303 33rd Street N.W., Calgary, Alberta T2L 1A7, Canada Search for other works by this author on: GSW Google Scholar Kenneth G. Miller Kenneth G. Miller 2Department of Geological Sciences, Rutgers University, New Brunswick, New Jersey 089033Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964 Search for other works by this author on: GSW Google Scholar Geology (1990) 18 (5): 415–418. https://doi.org/10.1130/0091-7613(1990)018<0415:HLAOSS>2.3.CO;2 Article history first online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation David H. McNeil, Kenneth G. Miller; High-latitude application of 87Sr/86Sr: Correlation of Nuwok beds on North Slope, Alaska, to standard Oligocene chronostratigraphy. Geology 1990;; 18 (5): 415–418. doi: https://doi.org/10.1130/0091-7613(1990)018<0415:HLAOSS>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract Strontium isotope ratios (87Sr/86Sr) calculated from three samples of benthic foraminifers and one mollusc indicate an age range from 23.8 to 27.0 Ma for the Nuwok Member of the Sagavanirktok Formation, eastern North Slope, Alaska. Previous correlations derived paleontologically (foraminifers, ostracodes, and molluscs) for the Nuwork beds have differed greatly (Oligocene to Pliocene), but strontium isotope ratios substantiate the late Oligocene age determined from benthic foraminifers. The results constitute an important test case, illustrating the effectiveness of the strontium isotope method in correlating high-latitude carbonate samples to the standard Oligocene chronostratigraphy. In addition, a sample from the Kugmallit sequence in the Beaufort Sea Edlok N-56 well provided a strontium isotope age estimate of 30.7 Ma. The Edlok sample was paleontologically correlated to just below the early/late Oligocene boundary (30.0 Ma). This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.