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Transpressional inversion at the edges of the Cordillera Oriental, Colombia: Insights from physical models

Abstract : At the edges of the Cordillera Oriental, Colombia, Mesozoic rift basins have been through a phase of transpressional inversion, as a result of Andean orogeny. Typical structures are reactivated Early Cretaceous normal faults, basement pop-ups due to reverse faulting, and positive flower structures, which formed by right-lateral wrenching. To investigate the structural development of the Cordillera, we did a series of experiments on physical models at crustal scale. After a first extensional phase, each model went through a second compressional phase, at a given angle of relative plate motion. This angle was found to influence the structural style.
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https://hal-insu.archives-ouvertes.fr/insu-00376340
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Submitted on : Friday, April 17, 2009 - 1:29:04 PM
Last modification on : Tuesday, October 19, 2021 - 6:57:18 PM

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  • HAL Id : insu-00376340, version 1

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Eduardo Rossello, P.R. Cobbold. Transpressional inversion at the edges of the Cordillera Oriental, Colombia: Insights from physical models. GeoMod 2008, Sep 2008, Firenze, Italy. ⟨insu-00376340⟩

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