Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco)
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 rec...
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MDPI AG
2020-12-01
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| Series: | Geosciences |
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| Online Access: | https://www.mdpi.com/2076-3263/10/12/487 |
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| author | Manuel Martín-Martín Francesco Guerrera Rachid Hlila Alí Maaté Soufian Maaté Mario Tramontana Francisco Serrano Juan Carlos Cañaveras Francisco Javier Alcalá Douglas Paton |
| author_facet | Manuel Martín-Martín Francesco Guerrera Rachid Hlila Alí Maaté Soufian Maaté Mario Tramontana Francisco Serrano Juan Carlos Cañaveras Francisco Javier Alcalá Douglas Paton |
| author_sort | Manuel Martín-Martín |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-03-10T14:21:28Z |
| format | Article |
| id | doaj.art-80e115a3f97149428371e0c67c392c0c |
| institution | Directory Open Access Journal |
| issn | 2076-3263 |
| language | English |
| last_indexed | 2024-03-10T14:21:28Z |
| publishDate | 2020-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Geosciences |
| spelling | doaj.art-80e115a3f97149428371e0c67c392c0c2023-11-20T23:20:32ZengMDPI AGGeosciences2076-32632020-12-01101248710.3390/geosciences10120487Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco)Manuel Martín-Martín0Francesco Guerrera1Rachid Hlila2Alí Maaté3Soufian Maaté4Mario Tramontana5Francisco Serrano6Juan Carlos Cañaveras7Francisco Javier Alcalá8Douglas Paton9Departamento de Ciencias de la Tierra y Medio Ambiente, University of Alicante, 03080 Alicante, SpainEx-Dipartimento di Scienze della Terra, della Vita e dell’Ambiente (DiSTeVA), Università degli Studi di Urbino Carlo Bo, 61029 Urbino, ItalyLaboratoire de Géologie de l’Environnement et Ressources Naturelles, Département de Géologie, Université Abdelmalek Essaâdi, Tétouan 93002, MoroccoLaboratoire de Géologie de l’Environnement et Ressources Naturelles, Département de Géologie, Université Abdelmalek Essaâdi, Tétouan 93002, MoroccoFaculté des Sciences et Techniques Errachidia, Université Moulay Ismail Département de Géosciences, Errachidia 52000, MoroccoDipartimento di Scienze Pure e Applicate (DiSPeA), Università degli Studi di Urbino Carlo Bo, 61029 Urbino, ItalyDepartamento de Geología y Ecología, University of Málaga, 29016 Málaga, SpainDepartamento de Ciencias de la Tierra y Medio Ambiente, University of Alicante, 03080 Alicante, SpainInstituto Geológico y Minero de España, 28003 Madrid, SpainSchool of Earth and Environment, University of Leeds, Leeds LS2 9JT, UKAn 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.https://www.mdpi.com/2076-3263/10/12/487El Habt Tectonic UnitOuezzane Tectonic UnitExternal Riftectono-sedimentary evolutionCenozoicMorocco |
| spellingShingle | Manuel Martín-Martín Francesco Guerrera Rachid Hlila Alí Maaté Soufian Maaté Mario Tramontana Francisco Serrano Juan Carlos Cañaveras Francisco Javier Alcalá Douglas Paton Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco) Geosciences El Habt Tectonic Unit Ouezzane Tectonic Unit External Rif tectono-sedimentary evolution Cenozoic Morocco |
| title | Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco) |
| title_full | Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco) |
| title_fullStr | Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco) |
| title_full_unstemmed | Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco) |
| title_short | Tectono-Sedimentary Cenozoic Evolution of the El Habt and Ouezzane Tectonic Units (External Rif, Morocco) |
| title_sort | tectono sedimentary cenozoic evolution of the el habt and ouezzane tectonic units external rif morocco |
| topic | El Habt Tectonic Unit Ouezzane Tectonic Unit External Rif tectono-sedimentary evolution Cenozoic Morocco |
| url | https://www.mdpi.com/2076-3263/10/12/487 |
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