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Stable oxygen isotope record of the Eocene-Oligocene transition in the southern North Sea Basin: positioning the Oi-1 event
De Man, E.; Ivany, L.; Vandenberghe, N. (2004). Stable oxygen isotope record of the Eocene-Oligocene transition in the southern North Sea Basin: positioning the Oi-1 event. Geol. Mijnb. 83(3): 193-197
In: Netherlands Journal of Geosciences. Kluwer/Cambridge University Press: Den Haag, Cambridge. ISSN 0016-7746; e-ISSN 1573-9708, meer
Peer reviewed article  
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Trefwoorden
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Palaeogene > Eocene
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Palaeogene > Oligocene
    Foraminifera [WoRMS]
    Antwerpen [Marine Regions]; Rumst [Marine Regions]
    Marien/Kust
Author keywords
    Eocene-Oligocene boundary; stable isotopes; Oi-1 event; sequencestratigraphy
Auteurs  Top 
  • De Man, E., meer
  • Ivany, L.
  • Vandenberghe, N., meer
Abstract
    Preliminary stable oxygen isotope data are presented from the southern North Sea Basin successions, ranging from the Lutetian to Rupelian. Analyses were performed on fish otoliths, nuculid bivalves and benthic foraminifera and are presented as bulk delta(18)O values relative to a well established regional sequence stratigraphic framework. The most significant positive shift in delta(18)O values clearly falls at the top of the regionally recognised Bassevelde 3 sequence, which base corresponds to the Eocene-Oligocene GSSP boundary. The here documented delta(18)O shift is closely associated with the base of the traditional Rupelian unit-stratotype and is tentatively correlated to the globally recognised Oi-1 event.
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