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Role of an extension of pre-Quaternary age for the evolution of the carbonate massifs in the occidental Betic Cordillera: The case of the Yunquera-Nieves massif (southern Spain)

Abstract : Abstract A simultaneous analysis of the fracture geometry and paleo-stress fields of the karstic Yunquera-Nieves massif i n southern Spain (Málaga Province) has been carried out with microtectonic stations. It reveals polyphased t ec -tonics linked to the structural position of this carbonate domain in the western Betic Cordillera. Among the tectonic regimes described in this domain appears a distensive stage with a radial trend probably of post-Tortonian to Quaternary age. Todate, it has seldom been described and is absent from geodynamic models though it seems to have had a regional importance. Furthermore, it played a major role for the acquisition of the hydrodynamic properties of t he aquifer and its karstogenesis. This stage opened all fractures and allowed t he development of karstic drains with NW-SE and N-S directions. Finally, the karstic network was shaped by more recent climatic and tectonic events.
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https://hal.umontpellier.fr/hal-03335261
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Soumis le : lundi 6 septembre 2021 - 10:04:40
Dernière modification le : mardi 5 juillet 2022 - 09:19:50

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Séverin Pistre, Cristina Liñán, Bartolomé Andreo, Francisco Carrasco, Claude Drogue, et al.. Role of an extension of pre-Quaternary age for the evolution of the carbonate massifs in the occidental Betic Cordillera: The case of the Yunquera-Nieves massif (southern Spain). Bulletin de la Société Géologique de France, Société géologique de France, 2002, 173 (5), pp.437-448. ⟨10.2113/173.5.437⟩. ⟨hal-03335261⟩

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