Articles | Volume 9, issue 2
https://doi.org/10.5194/se-9-403-2018
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, Christopher A.-L. Jackson, Rebecca E. Bell, and Oliver B. Duffy

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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.