Extension parallel to the rift zone during segmented fault growth: application to the evolution of the NE Atlantic

Bubeck, Alodie; Walker, Richard J.; Imber, Jonathan; Holdsworth, Robert E.; MacLeod, Christopher J.; Holwell, David A.

doi:https://doi.org/10.5194/se-8-1161-2017

Articles | Volume 8, issue 6

https://doi.org/10.5194/se-8-1161-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/se-8-1161-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 8, issue 6

Research article

|

22 Nov 2017

Research article |

| 22 Nov 2017

Extension parallel to the rift zone during segmented fault growth: application to the evolution of the NE Atlantic

Alodie Bubeck, Richard J. Walker, Jonathan Imber, Robert E. Holdsworth, Christopher J. MacLeod, and David A. Holwell

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Final revised paper (published on 22 Nov 2017)
Preprint (discussion started on 24 Aug 2017)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Referee comment by Atle Rotevatn', Atle Rotevatn, 19 Sep 2017
RC2: 'Referee comment by Lucia Perez-Diaz', Lucia Perez-Diaz, 20 Sep 2017
AC1: 'Authors final comments', Alodie Bubeck, 15 Oct 2017

Short summary

We present a field-based study of relay zone development using examples from the Koa’e fault system (Hawai’i) and the Krafla fissure swarm (Iceland). We show the evolution of second-order deformation within these zones and illustrate the effects of horizontal (heave) displacement gradients in evolving continental rift systems. Data are consistent with faults and intrusions from the Faroe Islands and E Greenland. We propose a new model for the evolution of segmented basins along the NE Atlantic.