Neogene folds in Ronda Depression (Western Betic Cordillera)

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Ruiz-Constán, A., Galindo-Zaldívar, J., & Sanz de Galdeano, C. (2011). Neogene folds in Ronda Depression (Western Betic Cordillera). TRABAJOS DE GEOLOGÍA, 30(30). Recuperado a partir de


The Ronda Depression is filled by Neogene sediments on the boundary between Subbeticreliefs, with NE-SW structural trends, and the frontal Subbetic Chaotic Complexes. The folding stylein the Subbetic Units of Western Betics is strongly controlled by the rheology of the rocks: thick andmassive beds of Jurassic limestones over Triassic marls and gypsum with plastic behaviour. Main deformationstructures in the sedimentary infill of the Ronda depression are simultaneous box folds withNNE-SSW and WNW-ESE trends that only affect its southwestern part. This distribution of folds isa consequence of the inherited fold trend that affected the basement during Early Burdigalian age.