Articles | Volume 9, issue 2
Solid Earth, 9, 403–429, 2018
https://doi.org/10.5194/se-9-403-2018
Solid Earth, 9, 403–429, 2018
https://doi.org/10.5194/se-9-403-2018

Research article 09 Apr 2018

Research article | 09 Apr 2018

Oblique reactivation of lithosphere-scale lineaments controls rift physiography – the upper-crustal expression of the Sorgenfrei–Tornquist Zone, offshore southern Norway

Thomas B. Phillips et al.

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Cited articles

Alasonati Tašárová, Z., Fullea, J., Bielik, M., and Środa, P.: Lithospheric structure of Central Europe: Puzzle pieces from Pannonian Basin to Trans-European Suture Zone resolved by geophysical-petrological modeling, Tectonics, 35, 722–753, 2016.
Autin, J., Bellahsen, N., Leroy, S., Husson, L., Beslier, M.-O., and d'Acremont, E.: The role of structural inheritance in oblique rifting: Insights from analogue models and application to the Gulf of Aden, Tectonophysics, 607, 51–64, 2013.
Babuška, V. and Plomerová, J.: The Sorgenfrei–Tornquist Zone as the mantle edge of Baltica lithosphere: new evidence from three-dimensional seismic anisotropy, Terra Nova, 16, 243–249, 2004.
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Bell, R. E., Jackson, C. A. L., Whipp, P. S., and Clements, B.: Strain migration during multiphase extension: Observations from the northern North Sea, Tectonics, 33, 1936–1963, 2014.
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Short summary
We use seismic reflection data and quantitative fault analyses to examine how a sub-crustal lineament, the Sorgenfrei–Tornquist Zone, is expressed within upper-crustal rift systems off the shore of southern Norway. We document repeated reactivation of upper-crustal faults, displaying both sinistral and dextral oblique activity, which we link to underlying lineament and regional tectonics. We show how sub-crustal lineaments influence rift evolution and offer insights into past tectonic events.