Articles | Volume 14, issue 4
https://doi.org/10.5194/se-14-369-2023
https://doi.org/10.5194/se-14-369-2023
Research article
 | 
05 Apr 2023
Research article |  | 05 Apr 2023

The influence of crustal strength on rift geometry and development – insights from 3D numerical modelling

Thomas B. Phillips, John B. Naliboff, Ken J. W. McCaffrey, Sophie Pan, Jeroen van Hunen, and Malte Froemchen

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Latest update: 17 Jun 2024
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Short summary
Continental crust comprises bodies of varying strength, formed through numerous tectonic events. When subject to extension, these areas produce distinct rift and fault systems. We use 3D models to examine how rifts form above strong and weak areas of crust. We find that faults become more developed in weak areas. Faults are initially stopped at the boundaries with stronger areas before eventually breaking through. We relate our model observations to rift systems globally.