Margin segmentation of Baffin Bay/Davis Strait, eastern Canada based on seismic reflection and potential field data

Skaarup, Nina; Jackson, H. R.; Oakey, G N

doi:10.1016/j.marpetgeo.2005.06.002

Cited by 57 publications

(67 citation statements)

References 55 publications

(93 reference statements)

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“…SDRs were not observed in Davis Strait from Greenland side but observed in Canadian side (Skaarup et al, 2006). This is in addition to volcanic sills is not a coincidence but rather a pointer to history of rifting on both margins.…”

Section: Discussionmentioning

confidence: 70%

“…The oceanic crust of Labrador Sea and Baffin Bay are separated by the Ungava transform fault zone in the Davis Strait. The Ungava transform fault zone is characterized by complex structures that were initially extensional; these structures were subsequently affected by both transtension and transpression processes as the Ungava fault zone evolved into a transform zone (Sørensen, 2006;Skaarup et al, 2006). Current theories of the development of this area centres on whether the ocean opening propagated northwards forming the oceanic crust in the central west (Davis Strait) and northwest (Baffin Bay) or if magma-starved spreading occurred and the Icelandic plume drove the opening of the margin (Schenk, 2011;Roest and Srivastava, 1989;Chalmers et al, 1993;Chalmers, 1991 (Rolle, 1985).…”

Section: Tectonic Development Of the Western Greenland Marginsmentioning

confidence: 99%

“…The Ungava transform fault zone is characterized by complex structures that were initially extensional. These structures were subsequently affected by both transtension and transpression processes as the Ungava fault zone evolved into a transform zone (Skaarup et al, 2006;Sørensen, 2006). A Mid-Eocene unconformity was then developed (Nøhr-Hansen and Dam, 1997) as a result of strike slip movement across the margin as well as the Ikermiut flower structure .…”

Section: Greenland Basinmentioning

confidence: 99%

See 2 more Smart Citations

Tectonic variation and structural evolution of the West Greenland continental margin

Alsulami¹,

Paton²,

Cornwell³

2015

Bulletin

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Section: Discussionmentioning

confidence: 70%

Section: Tectonic Development Of the Western Greenland Marginsmentioning

confidence: 99%

Section: Greenland Basinmentioning

confidence: 99%

See 1 more Smart Citation

Tectonic variation and structural evolution of the West Greenland continental margin

Alsulami¹,

Paton²,

Cornwell³

2015

Bulletin

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“…To the north the margin is non-volcanic and SDRS are absent (Skaarup et al, 2006). In the south Baffin magmatism is limited and the margin is interpreted as non-volcanic (Skaarup et al, 2006).…”

Section: Volume Of Magmatismmentioning

confidence: 97%

“…Igneous rocks are recorded from from Disko to Svartenhuk onshore West Greenland (Larsen and Pedersen, 1988) as well as on Baffin Island and in the Labrador and Baffin Sea areas (e.g., Skaarup et al, 2006). The Nuussuaq Basin extends from Disko to Svartenhuk.…”

Section: West Greenland and Baffin Islandmentioning

confidence: 99%

The North Atlantic Igneous Province: A review of models for its formation

Meyer

Wijk²,

Gernigon³

2007

Special Paper 430: Plates, Plumes and Planetary Processes

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The mantle plume concept is currently being challenged as an explanation for North Atlantic Igneous Province formation. Alternative models have been suggested, including delamination, meteorite impact, small-scale rift-related convection, and chemical mantle heterogeneities. We review available datasets on uplift, strain localization, age and chemistry of igneous material, and tomography for the North Atlantic Igneous Province, and compare them with predictions from the mantle plume and alternative models. The mantle plume concept is quite successful in explaining formation of the NAIP, but unexplained aspects remain. Delamination and impact models are currently not supported. Rift-related small-scale convection models appear to be able to explain volcanic rifted margin volcanism well. However, the most important problem that non-plume models need to overcome is the continuing, long-lived melt anomaly extending via the Greenland-Faeroe Ridges to Iceland. Mantle heterogeneities, resulting from an ancient subducted slab, are included in plate tectonic models to explain the continuing melt production as an alternative to the mantle plume model, but there are still uncertainties related to this idea that need to be solved.

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Comment on “A new model for the Paleogene motion of Greenland relative to North America: Plate reconstructions of the Davis Strait and Nares Strait regions between Canada and Greenland” by G. N. Oakey and J. A. Chalmers

Denyszyn

Halls

2014

JGR Solid Earth

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Margin segmentation of Baffin Bay/Davis Strait, eastern Canada based on seismic reflection and potential field data

Cited by 57 publications

References 55 publications

Tectonic variation and structural evolution of the West Greenland continental margin

Tectonic variation and structural evolution of the West Greenland continental margin

The North Atlantic Igneous Province: A review of models for its formation

Comment on “A new model for the Paleogene motion of Greenland relative to North America: Plate reconstructions of the Davis Strait and Nares Strait regions between Canada and Greenland” by G. N. Oakey and J. A. Chalmers

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