Global synchroneity of late Quaternary coccolith datum levels Validation by oxygen isotopes

Abstract

Research Article| July 01, 1977 Global synchroneity of late Quaternary coccolith datum levels Validation by oxygen isotopes H. R. Thierstein; H. R. Thierstein 1Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964 Search for other works by this author on: GSW Google Scholar K. R. Geitzenauer; K. R. Geitzenauer 1Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964 Search for other works by this author on: GSW Google Scholar B. Molfino; B. Molfino 1Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964 Search for other works by this author on: GSW Google Scholar N. J. Shackleton N. J. Shackleton 2Sub-department of Quaternary Research, University of Cambridge, Cambridge, England Search for other works by this author on: GSW Google Scholar Author and Article Information H. R. Thierstein 1Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964 K. R. Geitzenauer 1Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964 B. Molfino 1Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York 10964 N. J. Shackleton 2Sub-department of Quaternary Research, University of Cambridge, Cambridge, England Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1977) 5 (7): 400–404. https://doi.org/10.1130/0091-7613(1977)5<400:GSOLQC>2.0.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation H. R. Thierstein, K. R. Geitzenauer, B. Molfino, N. J. Shackleton; Global synchroneity of late Quaternary coccolith datum levels Validation by oxygen isotopes. Geology 1977;; 5 (7): 400–404. doi: https://doi.org/10.1130/0091-7613(1977)5<400:GSOLQC>2.0.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 The global synchroneity of the Pseudoemiliania lacunosa extinction and the first appearance of Emiliania huxleyi is established by correlation with the oxygen isotope record in seven cores underlying tropical, subtropical, transitional, and subpolar waters. The P. lacunosa extinction is dated at 458,000 B.P., occurring consistently in the middle of oxygen isotope stage 12, whereas the first appearance of E. huxleyi has an age of 268,000 B.P., occurring consistently late in oxygen isotope stage 8. A third coccolith event, the reversal in dominance between Gephyrocapsa caribbeanica and E. huxleyi, is time-transgressive. In tropical and subtropical waters, it correlates with oxygen isotope stages 5b and 5a, approximately 85,000 B.P.; in transitional waters, it correlates with oxygen isotope stage 4, approximately 73,000 B.P. 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.