Preprints
https://doi.org/10.5194/egusphere-2023-280
https://doi.org/10.5194/egusphere-2023-280
23 Feb 2023
 | 23 Feb 2023

Does the syn- versus post-rift thickness ratio have an impact on the inversion-related structural style?

Alexandra Tamas, Dan Mircea Tamas, Gabor Tari, Csaba Krezsek, Alexandru Lapadat, and Zsolt Schleder

Abstract. Many extensional basins worldwide are modified by subsequent compressional episodes, which lead to inverted structures. The structures associated with the reactivation of preexisting faults play are critically important in forming suitable subsurface traps for hydrocarbons. Major concerns regarding inverted structures are trap integrity and fault seal. In general, the preferred structures have simple four-way closures as the result of only mild to moderate inversion.

Five physical sandbox models, coupled with Particle Image Velocimetry (PIV) analysis, have been performed to address the influence of the syn- versus post-rift thickness ratio (Mode I and II) and the degree of positive inversion on the style of fault propagation into and overall deformation of the post-rift cover. The results of these experiments are broadly comparable with natural data examples from New Zealand, Israel and Turkey. The main control on the development of mild to moderate inversion structures is the degree of inversion, and the style of deformation within the post-rift sequence appears to be different due to the amount of displacement accommodated by the inherited listric fault and the thickness of the post-rift cover (Mode I and II inverted structures). These observations do have a direct impact on the understanding of the geo-energy systems associated with inverted structures.

Journal article(s) based on this preprint

14 Jul 2023
Does the syn- versus post-rift thickness ratio have an impact on the inversion-related structural style?
Alexandra Tamas, Dan M. Tamas, Gabor Tari, Csaba Krezsek, Alexandru Lapadat, and Zsolt Schleder
Solid Earth, 14, 741–761, https://doi.org/10.5194/se-14-741-2023,https://doi.org/10.5194/se-14-741-2023, 2023
Short summary

Alexandra Tamas 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-2023-280', Hamed Fazlikhani, 14 Mar 2023
    • AC1: 'Reply on RC1', Dan Mircea Tamas, 09 May 2023
  • RC2: 'Comment on egusphere-2023-280', Piotr Krzywiec, 20 Mar 2023
    • AC2: 'Reply on RC2', Dan Mircea Tamas, 09 May 2023

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2023-280', Hamed Fazlikhani, 14 Mar 2023
    • AC1: 'Reply on RC1', Dan Mircea Tamas, 09 May 2023
  • RC2: 'Comment on egusphere-2023-280', Piotr Krzywiec, 20 Mar 2023
    • AC2: 'Reply on RC2', Dan Mircea Tamas, 09 May 2023

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Dan Mircea Tamas on behalf of the Authors (11 May 2023)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (15 May 2023) by Michael Rudolf
RR by Piotr Krzywiec (05 Jun 2023)
ED: Publish as is (12 Jun 2023) by Michael Rudolf
ED: Publish as is (12 Jun 2023) by Susanne Buiter (Executive editor)
AR by Dan Mircea Tamas on behalf of the Authors (16 Jun 2023)  Manuscript 

Journal article(s) based on this preprint

14 Jul 2023
Does the syn- versus post-rift thickness ratio have an impact on the inversion-related structural style?
Alexandra Tamas, Dan M. Tamas, Gabor Tari, Csaba Krezsek, Alexandru Lapadat, and Zsolt Schleder
Solid Earth, 14, 741–761, https://doi.org/10.5194/se-14-741-2023,https://doi.org/10.5194/se-14-741-2023, 2023
Short summary

Alexandra Tamas et al.

Alexandra Tamas et al.

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Short summary
Tectonic processes are complex and often difficult to understand due to the limitations of surface or subsurface data. One such process is inversion tectonics, which means that an area initially developed in extension (such as the opening of an ocean) is reversed to compression (the process leading to mountain building). In this research, we use a laboratory method (analogue modelling), and with the help of a sandbox we try to better understand structures (folds/faults) related to inversion.