Episodic Cenozoic tectonism and the development of the NW European ‘passive’ continental margin

Praeg, Daniel; Stoker, Martyn S.; Shannon, P. M.; Ceramicola, Silvia; Hjelstuen, Berit Oline; Laberg, Jan Sverre; Mathiesen, Anders

doi:10.1016/j.marpetgeo.2005.03.014

Cited by 116 publications

(117 citation statements)

References 132 publications

(413 reference statements)

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“…On most reconstructions, the depiction of this proposed rift zone largely mimics the current bathymetric expression of the continental margin off NW Britain and Ireland: however, this morphological expression is largely a late-stage response to Cenozoic subsidence and post-break-up 'passive margin' tectonics (Naylor & Shannon 2005;Praeg et al 2005;Ritchie et al 2011bRitchie et al , 2013. It is also increasingly apparent that the Faroe -Shetland and Rockall basins are both segmented by NW-trending lineaments, at least some of which may have been inherited from earlier structures (Kimbell et al 2005).…”

Section: Implications For Palaeogeographical Reconstruction Of the Nementioning

confidence: 98%

An overview of the Upper Palaeozoic–Mesozoic stratigraphy of the NE Atlantic region

Stoker

Stewart

Shannon

et al. 2016

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This study describes the distribution and stratigraphic range of the Upper PalaeozoicMesozoic succession in the NE Atlantic region, and is correlated between conjugate margins and along the axis of the NE Atlantic rift system. The stratigraphic framework has yielded important new constraints on the timing and nature of sedimentary basin development in the NE Atlantic, with implications for rifting and the break-up of the Pangaean supercontinent. From a regional perspective, the Permian-Triassic succession records a northwards transition from an arid interior to a passively subsiding, mixed carbonate -siliciclastic shelf margin. A Late Permian-earliest Triassic rift pulse has regional expression in the stratigraphic record. A fragmentary paralic to shallowmarine Lower Jurassic succession reflects Early Jurassic thermal subsidence and mild extensional tectonism; this was interrupted by widespread Mid-Jurassic uplift and erosion, and followed by an intense phase of Late Jurassic rifting in some (but not all) parts of the NE Atlantic region. The Cretaceous succession is dominated by thick basinal-marine deposits, which accumulated within and along a broad zone of extension and subsidence between Rockall and NE Greenland. There is no evidence for a substantive and continuous rift system along the proto-NE Atlantic until the Late Cretaceous.Gold Open Access: This article is published under the terms of the CC-BY 3.0 license.

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Section: Implications For Palaeogeographical Reconstruction Of the Nementioning

confidence: 98%

An overview of the Upper Palaeozoic–Mesozoic stratigraphy of the NE Atlantic region

Stoker

Stewart

Shannon

et al. 2016

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“…However, it is being increasingly recognised that many passive margins do not show a simpl e pattern of uninterrupted post-rift subsidence following continental separation (Johnson et al, 2008). For example, recent studies of the NW European Atlantic passive margin have reported evidence for post-breakup (early Eocene onwards) differential subsidence, uplift, km-scale exhumation, reverse faulting and compressional folding (Lundin and Doré, 2002;Praeg et al, 2005;Stoker et al, 2005;Hillis et al, 2008a;Holford et al, 2009). These processes have exerted a major influence on the distribution and characteristics of hydrocarbon s ystems along this margin (Doré et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

Impacts of Neogene-Recent compressional deformation and uplift on hydrocarbon prospectivity of the passive southern Australian margin

Holford¹,

Hillis²,

Duddy³

et al. 2010

The APPEA Journal

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“…Longer-wavelength (hundreds of km) deformation is evident along the NW European margin, in particular as regional 'sagging' at the end of the Eocene and intra-Pliocene 'tilting' (Praeg et al 2005;Stoker et al 2005b). Longwavelength lithospheric folds can form as a result of in-plane compressive stresses and this can occur coevally with the development of short-wavelength structures in rheologically stratified lithosphere, with the former associated with the deformation of strong upper mantle and the latter with deformation of decoupled upper crust (Cloetingh et al 1999;Cloetingh et al 2008;Cloetingh & Burov 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Numerical modelling is required to test whether the observed long-wavelength features are reproducible by in-plane stress, and this topic is not considered in the present paper. Previous modelling has suggested amplitudes of hundreds of metres rather than the observed kilometre-scale 'sagging' and 'tilting' of Stoker et al (2005b) and Praeg et al (2005), leading those authors to prefer an alternative mechanism involving shallow mantle convection.…”

Section: Discussionmentioning

confidence: 99%

Controls on the location of compressional deformation on the NW European margin

Kimbell

Stewart

Gradmann

et al. 2016

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The distribution of Cenozoic compressional structures along the NW European margin has been compared with maps of the thickness of the crystalline crust derived from a compilation of seismic refraction interpretations and gravity modelling, and with the distribution of high-velocity lower crust and/or partially serpentinized upper mantle detected by seismic experiments. Only a subset of the mapped compressional structures coincide with areas susceptible to lithospheric weakening as a result of crustal hyperextension and partial serpentinization of the upper mantle. Notably, partially serpentinized upper mantle is well documented beneath the central part of the southern Rockall Basin, but compressional features are sparse in that area. Where compressional structures have formed but the upper mantle is not serpentinized, simple rheological modelling suggests an alternative weakening mechanism involving ductile lower crust and lithospheric decoupling. The presence of pre-existing weak zones (associated with the properties of the gouge and overpressure in fault zones) and local stress magnitude and orientation are important contributing factors.Gold Open Access: This article is published under the terms of the CC-BY 3.0 license.

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Episodic Cenozoic tectonism and the development of the NW European ‘passive’ continental margin

Cited by 116 publications

References 132 publications

An overview of the Upper Palaeozoic–Mesozoic stratigraphy of the NE Atlantic region

An overview of the Upper Palaeozoic–Mesozoic stratigraphy of the NE Atlantic region

Impacts of Neogene-Recent compressional deformation and uplift on hydrocarbon prospectivity of the passive southern Australian margin

Controls on the location of compressional deformation on the NW European margin

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