Articles | Volume 10, issue 5
https://doi.org/10.5194/esurf-10-1017-2022
https://doi.org/10.5194/esurf-10-1017-2022
Research article
 | 
25 Oct 2022
Research article |  | 25 Oct 2022

Geomorphic signature of segmented relief rejuvenation in the Sierra Morena, Betic forebulge, Spain

Inmaculada Expósito, Alejandro Jiménez-Bonilla, Michele Delchiaro, José L. Yanes, Juan C. Balanyá, Francisco Moral-Martos, and Marta Della Seta

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Cited articles

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Azañón, J., Perez-Peña, J., Giaconia, F., Booth-Rea, G., Martinez-Martinez, J., and Rodriguez-Peces, M.: Active tectonics in the central and eastern Betic Cordillera through morphotectonic analysis: the case of Sierra Nevada and Sierra Alhamilla, J. Iber. Geol., 38, 225–238, https://doi.org/10.5209/rev_JIGE.2012.v38.n1.39214, 2012. 
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Balanyá, J., Crespo-Blanc, A., Azpiroz, M., Expósito, I., and Luján, M.: Structural trend line pattern and strain partitioning around the Gibraltar Arc accretionary wedge: Insights as to the mode of orogenic arc building, Tectonics, 26, TC2005, https://doi.org/10.1029/2005TC001932, 2007. 
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Short summary
In long-lived areas, relief rejuvenation can be greatly controlled by both the geometry of reactivated structures and the kinematics setting. We have applied geomorphological qualitative analyses, geomorphic index, and knickpoint modelling to detect the Quaternary reactivation of fractures in the Betic foreland (southern Spain). The obtained relief rejuvenation pattern and fault kinematics agree with propagation of transpressional deformation from the Betic fold-and-thrust belt.