Articles | Volume 12, issue 10
https://doi.org/10.5194/se-12-2145-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-12-2145-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| Highlight paper
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30 Sep 2021
Research article | Highlight paper |
| 30 Sep 2021
| 30 Sep 2021
Dating folding beyond folding, from layer-parallel shortening to fold tightening, using mesostructures: lessons from the Apennines, Pyrenees, and Rocky Mountains
Olivier Lacombe
CORRESPONDING AUTHOR
Institut des Sciences de la Terre de Paris, Sorbonne Université, CNRS, Paris, France
Nicolas E. Beaudoin
Laboratoire des Fluides Complexes et de leurs Réservoirs, Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS-TOTAL, Pau, France
Guilhem Hoareau
Laboratoire des Fluides Complexes et de leurs Réservoirs, Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS-TOTAL, Pau, France
Aurélie Labeur
Laboratoire des Fluides Complexes et de leurs Réservoirs, Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS-TOTAL, Pau, France
Christophe Pecheyran
Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux, Universite de Pau et des Pays de l'Adour, E2S UPPA, Pau, France
Jean-Paul Callot
Laboratoire des Fluides Complexes et de leurs Réservoirs, Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS-TOTAL, Pau, France
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Short summary
This paper aims to illustrate how the timing and duration of contractional deformation associated with folding in orogenic forelands can be constrained by the dating of brittle mesostructures observed in folded strata. The study combines new and already published absolute ages of fractures to provide, for the first time, an educated discussion about the factors controlling the duration of the sequence of deformation encompassing layer-parallel shortening, fold growth, and late fold tightening.
This paper aims to illustrate how the timing and duration of contractional deformation...
