Stable oxygen isotope record of the Eocene-Oligocene transition in the
                        southern North Sea Basin: positioning the Oi-1 event

Man, Ellen De; Ivany, Linda C.; Vandenberghe, Noël

doi:10.1017/s0016774600020266

Cited by 16 publications

(12 citation statements)

References 16 publications

(30 reference statements)

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“…De Man et al (2004) have estimated that the major sea-level fall resulting from the Oi-1 cooling event occurred about 1 Myr after the Pyrenean tectonic phase ended (Fig. 15).…”

Section: Discussionmentioning

confidence: 99%

The Rupel Clay Member in the Netherlands: towards a comprehensive understanding of its geometry and depositional environment

Vis¹,

Verweij²,

Koenen³

2016

Netherlands Journal of Geosciences

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This study presents the 3-D geometry of the Oligocene Rupel Clay Member and a review of its depositional environment based on new and published data. The Rupel Clay Member (RCM) is a clay layer in the Dutch subsurface which is informally known as the Boom Clay. New depth and thickness maps show that the member is present in nearly the whole subsurface of the onshore Netherlands to a depth of about 1500 m. The thickness of the member is variable but rarely exceeds 125 m. We identified three subunits: RCM-U, with a thickness of 15–40 m; RCM-M, with a thickness of 40–90 m; and RCM-L with a thickness of 25–50 m. The Rupel Clay Member is not a homogeneous clay; both vertical and lateral grain-size trends are present. These trends match with general palaeogeographic trends which foresee near-shore facies in the south and southeast of the onshore Netherlands and a more distal setting when moving northward. The three subunits are correlated with global climatic and regional tectonic events, which have mainly affected marginal facies. Faults are known to cut through the clay layer, but have not been mapped. A mismatch of lithostratigraphic nomenclature between the Netherlands and neighbouring countries is present. Part of the solution for this mismatch lies in the proper interpretation of well data in the Netherlands, both on- and offshore.

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“…De Man et al (2004) have estimated that the major sea-level fall resulting from the Oi-1 cooling event occurred about 1 Myr after the Pyrenean tectonic phase ended (Fig. 15).…”

Section: Discussionmentioning

confidence: 99%

The Rupel Clay Member in the Netherlands: towards a comprehensive understanding of its geometry and depositional environment

Vis¹,

Verweij²,

Koenen³

2016

Netherlands Journal of Geosciences

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“…This, combined with continued influx of epidote-rich sands from the north-east, resulted in deposition of epidote-rich sands on the Polish Platform (Morton et al, 1988). The first major sea-level fall resulting from the Oi-1 cooling event (De Man et al, 2004) led to widespread erosion of the previously deposited Early Oligocene marginal sediments. Substantial glacio-eustatic sea-level fall (Miller et al, 1998) at the Early-Late Oligocene (Rupelian-Chattian) boundary, accompanied by renewed tectonic activity, was superimposed on the palaeogeographical changes already initiated at the EoceneOligocene boundary (cf.…”

Section: Oligocenementioning

confidence: 99%

Filling the North Sea Basin: Cenozoic sediment sources and river styles

Gibbard¹,

Lewin²

2016

Geol. Belg.

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ABSTRACT. The history of the infilling of the North Sea is outlined, with particular focus on sediment sources and river inputs. In simple terms (for the detail is complex), these sources changed from domination by northwesterly sources from the Shetland area (Paleocene to Eocene), to a geographically more uniform basin-centred pattern, and then northerly input following Fennoscandian uplift (Oligocene and Neogene). Baltic inputs followed via an 'Eridanos (Baltic) River' (Miocene), with cold-climate coarser sediment inputs, and lacustrine episodes resulting from ice damming (Pleistocene). River styles in each of these phases are discussed, with the Cenozoic at first being dominated by low energy fluvial deposition (channel sands, chemically weathered clays, and organic sedimentation) in fluctuating climates. Cold climates in the latest Neogene and Quaternary are seen as major determinant of a change in fluvial style, though these are also associated with tectonic effects, as in Scandinavia. The mediating role of vegetation, relating also to temperature and precipitation, is also likely to have been significant. Narrow valley incision followed the Middle Pleistocene Transition, as well as an increasing importance of Rhine-Meuse sources that had begun earlier.

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“…The historically acknowledged Rupelian-Chattian boundary as defined from its typical stratotypes in the North Sea Basin, is associated with several benthic foraminiferal and dinocists events (Köthe 1990;Berggren et al 1995;De Man et al 2004;, 2005aPross et al 2010;Wade et al 2011). New data on the reliability of marker species foraminifer Chiloguembelina cubensis as bioevent for defining the R/C boundary were brought by King & Wade (2017).…”

Section: Rupelian / Chattian Boundarymentioning

confidence: 99%

The Rupelian–Chattian transition in the north-western Transylvanian Basin (Romania) revealed by calcareous nannofossils: implications for biostratigraphy and palaeoenvironmental reconstruction

Kallanxhi¹,

Bălc²,

Ćorić³

et al. 2018

Geologica Carpathica

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Sediments belonging to the Oligocene Vima Formation (located in the north-western part of the Transylvanian Basin, Romania) have been investigated for calcareous nannofossils content. Biostratigraphically, the sedimentary succession is late Rupelian–Chattian in age, belonging to the NP24 —Sphenolithus distentusand NP25 —Sphenolithus ciperoensisbiozones, to CP19a —Cyclicargolithus floridanusand CP19b —Reticulofenestra bisectaSubzones and to the interval from CNO4 —Sphenolithus distentus/Sphenolithus predistentusCRZ to CNO5 —Sphenolithus ciperoensisTZ. The palaeoenvironment of the Fântânele section was reconstructed by means of calcareous nannofossils and statistics. Multivariate statistics were applied to the composition of autochthonous assemblages and the obtained clusters were used to assess the palaeoecological preferences of the nannofossils. We document changes from more stable open-marine regime, with temperate sea-surface temperatures interfering locally with influx of cooler water and enriched cool-nutrient supply for the late Rupelian–earliest Chattian (NP24), to shallower and possibly warmer near-shore marine eutrophic environment, with salinity fluctuations, increased terrigenous material run-off and freshwater influx for the remaining early Chattian (NP25).

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Stable oxygen isotope record of the Eocene-Oligocene transition in the southern North Sea Basin: positioning the Oi-1 event

Cited by 16 publications

References 16 publications

The Rupel Clay Member in the Netherlands: towards a comprehensive understanding of its geometry and depositional environment

The Rupel Clay Member in the Netherlands: towards a comprehensive understanding of its geometry and depositional environment

Filling the North Sea Basin: Cenozoic sediment sources and river styles

The Rupelian–Chattian transition in the north-western Transylvanian Basin (Romania) revealed by calcareous nannofossils: implications for biostratigraphy and palaeoenvironmental reconstruction

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