Articles | Volume 9, issue 2
Solid Earth, 9, 403–429, 2018
Solid Earth, 9, 403–429, 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.
Bartholomew, I. D., Peters, J. M., and Powell, C. M.: Regional structural evolution of the North Sea: oblique slip and the reactivation of basement lineaments, Geological Society, London, Petroleum Geology Conference series 4, 1109–1122, 1993.
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.
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.