An alternative experimental configuration to generate wrench zone above a viscous layer

Vendeville, B. C.; Corti, G.; Boussarsar, M.; Ferrer, O.

Type de document :

Article dans une revue scientifique: Article original

DOI :

10.1016/j.jsg.2024.105166

URL permanente :

http://hdl.handle.net/20.500.12210/120136

Titre :

An alternative experimental configuration to generate wrench zone above a viscous layer

Auteur(s) :

Vendeville, B. C. [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Corti, G. [Auteur]
Boussarsar, M. [Auteur]
Ferrer, O. [Auteur]

Titre de la revue :

Journal of Structural Geology

Pagination :

380, pp. 71-82

Date de publication :

2024

Mot(s)-clé(s) en anglais :

Wrench zones
Strike-slip
Riedel experiments
Analogue modelling

Discipline(s) HAL :

Planète et Univers [physics]

Résumé en anglais : [en]

Analogue modelling of wrench tectonics typically utilizes a rigid basement with a velocity discontinuity under a brittle or brittle-viscous cover, such as in Riedel experiments, which confines fault localization in the ...
Lire la suite >Analogue modelling of wrench tectonics typically utilizes a rigid basement with a velocity discontinuity under a brittle or brittle-viscous cover, such as in Riedel experiments, which confines fault localization in the overlaying model. However, such a set-up is hardly compatible with modeling brittle-ductile systems such as the upper and lower crust or a brittle sedimentary cover overlying a viscous evaporitic layer. To achieve a more realistic experimental approach, Bruno Vendeville designed an alternative experimental set-up decoupling the basement from the brittle overburden with a viscous layer in which the basement is not involved. In this configuration, strike-slip movement is driven laterally rather than from the base up, facilitated by "weak zones" that preferentially localize the deformation during shortening and enable sliding between compartments. This original approach provides greater flexibility for modeling complex strike-slip settings, allowing for more freedom for strike-slip structures to form and evolve through time. Although the experiments described in this work were conducted in the late 1990s, the co-authors have chosen to revisit and adapt this earlier work for this Special Issue to underscore Bruno's influence on another aspect of salt tectonics and his pioneering foresight in the field of analogue modelling.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

Laboratoire d'Océanologie et de Géosciences (LOG) - UMR 8187

Source :

Harvested from HAL

Date de dépôt :

2025-01-23T17:17:37Z

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