English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

. Compressional strains may manifest along pre-existingstructures within the lithosphere, far from the plate boundaries along whichthe causal stress is greatest. The style and magnitude of the relatedcontraction is expressed in different ways, depending on the geometric andmechanical properties of the pre-existing structure. A three-dimensionalapproach is thus required to understand how compression may be partitionedand expressed along structures in space and time. We here examine howpost-rift compressional strains are expressed along the northern margin ofthe Farsund Basin during Late Cretaceous inversion and Palaeogene–Neogenepulses of uplift. At the largest scale, stress localises along thelithosphere-scale Sorgenfrei-Tornquist Zone, where it is expressed in theupper crust as hangingwall folding, reverse reactivation of thebasin-bounding normal fault, and bulk regional uplift. The geometry of thenorthern margin of the basin varies along strike, with a normal fault systempassing eastward into an unfaulted ramp. Late Cretaceous compressivestresses, originating from the convergence between Africa, Iberia, andEurope, selectively reactivated geometrically simple, planar sections of thefault, producing hangingwall anticlines and causing long-wavelength foldingof the basin fill. The amplitude of these anticlines decreases upwards dueto tightening of pre-existing fault propagation folds at greater depths. Incontrast, later Palaeogene–Neogene uplift is accommodated by long-wavelengthfolding and regional uplift of the entire basin. Subcrop mapping below amajor, uplift-related unconformity and borehole-based compaction analysisshow that uplift increases to the north and east, with theSorgenfrei-Tornquist Zone representing a hinge line rather than a focal pointto uplift, as was the case during earlier Late Cretaceous compression. Weshow how compressional stresses may be accommodated by different mechanismswithin structurally complex settings. Furthermore, the prior history of astructure may also influence the mechanism and structural style ofshortening that it experiences.

Pre-inversion normal fault geometry controls inversion style and magnitude, Farsund Basin, offshore southern Norway