Stable oxygen isotope record of the Eocene-Oligocene transition in the southern North Sea Basin: Positioning the 0i-1 event

Ellen De Man, Linda C Ivany, N. Vandenberghe

Research output: Contribution to journalArticle

16 Citations (Scopus)

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 δ18O values relative to a well established regional sequence stratigraphic framework. The most significant positive shift in δ18O 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 δ18O shift is closely associated with the base of the traditional Rupelian unit-stratotype and is tentatively correlated to the globally recognised Oi-1 event.

Original languageEnglish (US)
Pages (from-to)193-197
Number of pages5
JournalGeologie en Mijnbouw/Netherlands Journal of Geosciences
Volume83
Issue number3
StatePublished - Sep 2004

Fingerprint

Rupelian
positioning
oxygen isotope
Oligocene
Eocene
stable isotope
Eocene-Oligocene boundary
Lutetian
stratotype
benthic foraminifera
otolith
basin
bivalve
fish
sea

Keywords

  • Eocene-Oligocene boundary
  • Oi-1 event
  • Sequence stratigraphy
  • Stable isotopes

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

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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 δ18O values relative to a well established regional sequence stratigraphic framework. The most significant positive shift in δ18O 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 δ18O 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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AU - Ivany, Linda C

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AB - 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 δ18O values relative to a well established regional sequence stratigraphic framework. The most significant positive shift in δ18O 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 δ18O 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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