Active strike-slip faulting, diapirism and seismic hazards. The case of the Kareh Bas fault and the associated Dandenjan salt extrusion in the zagros Mountains, SW Iran
Gutiérrez, Francisco (Universidad de Zaragoza) ; Ilyati, Issa ; Rezaei, Mohsen ; Zarei, Mehdi ; Hudec, Michael
Resumen: Strike-slip salt diapir systems have been scarcely investigated and have probably been underrecognized. The western Fars Arc of the Zagros Mountains hosts the most remarkable example of salt extrusions associated with seismogenic strike-slip faults within an oblique collisional setting. This study, mainly based on field mapping and observations carried out in the Kareh Bas fault system and the Dandenjan Diapir, explores several issues with practical implications related to these active fault-salt systems: (1) role of precursor diapirs on the initiation of shortening structures; (2) fault segmentation controlled by precursor diapirs, emergence of diapirs, and the development of pull-apart basins; (3) the relative timing of emergence of salt extrusions associated with a propagating strike-slip fault; (4) Quaternary deformation and paleoseismic evidence associated with the Kareh Bas fault; (5) the impact of the salt detachment depth on the seismogenic potential of the segmented Kareh Bas fault system; and (6) clustering of large potentially coseismic landslides in the vicinity of the Kareh Bas fault system.
Idioma: Inglés
DOI: 10.1016/j.jsg.2024.105239
Año: 2024
Publicado en: Journal of Structural Geology 187 (2024), 105239 [22 pp.]
ISSN: 0191-8141
Financiación: info:eu-repo/grantAgreement/ES/AEI/PID2021-123189NB-I00
Tipo y forma: Article (Published version)
Área (Departamento): Área Geodinámica Externa (Dpto. Ciencias de la Tierra)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes.
Exportado de SIDERAL (2024-09-06-10:24:53)
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Idioma: Inglés
DOI: 10.1016/j.jsg.2024.105239
Año: 2024
Publicado en: Journal of Structural Geology 187 (2024), 105239 [22 pp.]
ISSN: 0191-8141
Financiación: info:eu-repo/grantAgreement/ES/AEI/PID2021-123189NB-I00
Tipo y forma: Article (Published version)
Área (Departamento): Área Geodinámica Externa (Dpto. Ciencias de la Tierra)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. Exportado de SIDERAL (2024-09-06-10:24:53)
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Record created 2024-09-06, last modified 2024-09-06