Preprints
https://doi.org/10.5194/egusphere-2022-1175
https://doi.org/10.5194/egusphere-2022-1175
18 Nov 2022
 | 18 Nov 2022

Role of inheritance during tectonic inversion of a rift system in a thick- to thin-skin transition: Analogue modelling and application to the Pyrenean – Biscay System

Jordi Miró, Oriol Ferrer, Josep Anton Muñoz, and Gianreto Manastchal

Abstract. The reactivation of former rift systems and passive margins during tectonic inversion and its incorporation into fold-and-thrust belts results into significant structural variability not only between internal to external domains, but also along-strike. The Basque-Cantabrian and Asturian systems are among the best examples to address the role of along-strike changes in rift inheritance since they show a transition from salt to basement inherited structures limited by a transition zone separating thick- from thin-skin structural domains. While both domains have been widely described in the literature, the transfer system separating the two is yet little investigated due to the poor seismic imaging and the lack of large-scale exposures. This contribution aims to address the linkage between basement-controlled (i.e., autochthonous) and salt decoupled (i.e., allochthonous) domains and how deformation is accommodated in the transitional domain in between. An experimental program based on analogue models has been designed inspired by the transition from the thin-skinned Basque – Cantabrian Pyrenees to the east and the thick-skinned Asturian Massif to the west. The experimental results show that oblique structures form in the transitional domain, which position depends on the active structures occurring in both surrounding thick- and thin-skinned domains. Nevertheless, their orientation and evolution are controlled by the underlying decoupling horizon (i.e., salt). The deformation in the thick-skinned domain produces significant topography over a narrow deformation area due to the lack of effective decoupling levels. On the contrary, deformation in the thin-skinned domain is more distributed due to decoupling, resulting in a wider deformation area of less topography. As a result, syn-contractional sedimentation is occurring mainly in the foreland basin in front of the thick-skinned domain, whereas it is observed in the foreland but also in piggy-back basins in the thin-skinned domain.

Journal article(s) based on this preprint

21 Apr 2023
Role of inheritance during tectonic inversion of a rift system in basement-involved to salt-decoupled transition: analogue modelling and application to the Pyrenean–Biscay system
Jordi Miró, Oriol Ferrer, Josep Anton Muñoz, and Gianreto Manastchal
Solid Earth, 14, 425–445, https://doi.org/10.5194/se-14-425-2023,https://doi.org/10.5194/se-14-425-2023, 2023
Short summary

Jordi Miró et al.

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-1175', Piotr Krzywiec, 14 Dec 2022
  • RC2: 'Comment on egusphere-2022-1175', Frédéric Mouthereau, 13 Jan 2023
    • AC3: 'Reply on RC2', Oriol Ferrer, 17 Feb 2023
  • RC3: 'Comment on egusphere-2022-1175', Stéphane Dominguez, 23 Jan 2023
    • AC2: 'Reply on RC3', Oriol Ferrer, 17 Feb 2023

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-1175', Piotr Krzywiec, 14 Dec 2022
  • RC2: 'Comment on egusphere-2022-1175', Frédéric Mouthereau, 13 Jan 2023
    • AC3: 'Reply on RC2', Oriol Ferrer, 17 Feb 2023
  • RC3: 'Comment on egusphere-2022-1175', Stéphane Dominguez, 23 Jan 2023
    • AC2: 'Reply on RC3', Oriol Ferrer, 17 Feb 2023

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Oriol Ferrer on behalf of the Authors (17 Feb 2023)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (20 Feb 2023) by Federico Rossetti
RR by Frédéric Mouthereau (23 Feb 2023)
ED: Publish subject to minor revisions (review by editor) (24 Feb 2023) by Federico Rossetti
AR by Oriol Ferrer on behalf of the Authors (01 Mar 2023)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to technical corrections (01 Mar 2023) by Federico Rossetti
ED: Publish subject to technical corrections (01 Mar 2023) by Federico Rossetti (Executive editor)
AR by Oriol Ferrer on behalf of the Authors (03 Mar 2023)  Manuscript 

Journal article(s) based on this preprint

21 Apr 2023
Role of inheritance during tectonic inversion of a rift system in basement-involved to salt-decoupled transition: analogue modelling and application to the Pyrenean–Biscay system
Jordi Miró, Oriol Ferrer, Josep Anton Muñoz, and Gianreto Manastchal
Solid Earth, 14, 425–445, https://doi.org/10.5194/se-14-425-2023,https://doi.org/10.5194/se-14-425-2023, 2023
Short summary

Jordi Miró et al.

Jordi Miró et al.

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Latest update: 07 Oct 2023
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Short summary
Using the Asturian – Basque-Cantabrian System and analogue (sandbox) models, this work focuses on the linkage between basement-controlled and salt-decoupled domains, and how deformation is accommodated in between both during extension and subsequent inversion. Analogue models show significant structural variability in the transitional domain, with oblique structures that can be strongly modified by syn-contractional sedimentation. Experimental results are consistent with the case study.