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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

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Beschikbaar in	Auteurs
VLIZ: Open access 253086 [ download pdf ]

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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] Belgium, Antwerpen [Marine Regions]; Belgium, Rumst [Marine Regions] Marien/Kust

Author keywords

Eocene-Oligocene boundary; stable isotopes; Oi-1 event; sequencestratigraphy

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Auteurs		Top
De Man, E. Ivany, L. Vandenberghe, N.

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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 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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