Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco)
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Título: | Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco) |
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Autor/es: | Martín-Martín, Manuel | Guerrera, Francesco | Hlila, Rachid | Maaté, Ali | Maaté, Soufian | Tramontana, Mario | Serrano, Francisco | Cañaveras, Juan C. | Alcalá, Francisco J. | Paton, Douglas |
Grupo/s de investigación o GITE: | Evolución Geodinámica de la Cordillera Bética Oriental y de la Plataforma Marina de Alicante | Petrología Aplicada |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente |
Palabras clave: | El Habt Tectonic Unit | Ouezzane Tectonic Unit | External Rif | Tectono-sedimentary evolution | Cenozoic | Morocco |
Área/s de conocimiento: | Geodinámica Interna | Petrología y Geoquímica |
Fecha de publicación: | 3-dic-2020 |
Editor: | MDPI |
Cita bibliográfica: | Martín-Martín M, Guerrera F, Hlila R, Maaté A, Maaté S, Tramontana M, Serrano F, Cañaveras JC, Alcalá FJ, Paton D. Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco). Geosciences. 2020; 10(12):487. https://doi.org/10.3390/geosciences10120487 |
Resumen: | An interdisciplinary study based on lithostratigraphic, biostratigraphic, petrographic and mineralogical analyses has been performed in order to establish the Cenozoic tectono-sedimentary evolution of the El Habt and Ouezzane Tectonic Units (External Intrarif Subzone, External Rif, Morocco). The reconstructed record allowed identification of the depositional architecture and related sedimentary processes of the considered units. The Cenozoic successions were biochronologically defined allowing, at the same time, identification of unconformities and associated stratigraphic gaps. The presence of five unconformities allowed for the definition of the main stratigraphic units arranged in a regressive trend: (1) lower Paleocene interval (Danian p.p.) assigned to a deep basin; (2) Eocene interval (lower Ypresian-lower Bartonian p.p.) from a deep basin to an external carbonate-siliceous platform; (3) lower Rupelian-upper Chattian p.p. interval deposited on unstable slope with turbidite channels passing upward to an external siliciclastic platform; (4) Burdigalian p.p. interval from a slope; (5) Langhian-Serravallian p.p. interval from slope to external platform realms. The petrography of the arenites and calcarenites allowed for the identification of the supplies derived from erosion of a recycled orogen (transitional and quartzose subtypes). The clay-mineralogy analysis indicates an unroofing (first erosion of Cretaceous terrains followed by upper Jurassic rocks) always accomplished by erosion of Cenozoic terrains. Several tectofacies checked in some stratigraphic intervals seem to indicate the beginning of deformation of the basement generating gentle folds and first activation of blind thrusts, mainly during the Paleogene. A preorogenic tectonic framework is considered as responseto the generalized tectonic inversion (from extension to compression) as frequently registered in the central-western peri-Mediterranean areas. The large volumes of reworked terrigeneous supply during the latest Oligocene-Miocene p.p. indicates the beginningsof the synorogenic sedimentation (foredeep stage of the basins) controlled by active tectonics. |
Patrocinador/es: | Research Project CGL2016-75679-P (Spanish Ministry of Education and Science); Research Groups, Projects of the Generalitat Valenciana, Alicante University (CTMA-IGA); Grants from the University of Urbino Carlo Bo (M. Tramontana). |
URI: | http://hdl.handle.net/10045/110774 |
ISSN: | 2076-3263 |
DOI: | 10.3390/geosciences10120487 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3390/geosciences10120487 |
Aparece en las colecciones: | INV - PETRA - Artículos de Revistas INV - GEODIN - Artículos de Revistas |
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