EXAMPLE OF PALEOSEBKHA LITTORAL DEPOSITS OF SENONIAN IN THE "BASINS ZONE" OF AIT OURIR (MARRAKECH HIGH ATLAS, MOROCCO)

  • Fatiha Hadach University Cadi Ayyad, Faculty of Science Semlalia , Laboratory Sedimentary Basins Geology of Moroccan "GEOBASSMA" Geology Department
  • Ahmed Algouti University Cadi Ayyad, Faculty of Science Semlalia , Laboratory Sedimentary Basins Geology of Moroccan "GEOBASSMA" Geology Department
  • Abdellah Algouti University Cadi Ayyad, Faculty of Science Semlalia , Laboratory Sedimentary Basins Geology of Moroccan "GEOBASSMA" Geology Department
  • Zahra Mourabit University Cadi Ayyad, Faculty of Science Semlalia , Laboratory Sedimentary Basins Geology of Moroccan "GEOBASSMA" Geology Department

Abstract

The comparative analysis of three cuts oriented West-East at the level of the basin of Jbel Sour, led to defining during the Santonian: A western sector of detrital coarse sediments, deposited in the context of a fluvial dynamics. Oriental sector of mainly carbonato- evaporite sedimentation, in a less deep and confined environment, subject to significant subsidence under a hot, arid climate favoring the formation of sebkha facies. These santonien deposits are organized in a regressive megasequence, surmounted by a Maastrichtian transgressive formation, corresponding, in this area, to a tidal-flats environment. This Maastrichtian serie marking the return of the epicontinental sea, under a hot, arid climate, by an Atlantic transgression encompassing the entire study area.

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Published
2015-06-29
How to Cite
Hadach, F., Algouti, A., Algouti, A., & Mourabit, Z. (2015). EXAMPLE OF PALEOSEBKHA LITTORAL DEPOSITS OF SENONIAN IN THE "BASINS ZONE" OF AIT OURIR (MARRAKECH HIGH ATLAS, MOROCCO). European Scientific Journal, ESJ, 11(18). Retrieved from https://eujournal.org/index.php/esj/article/view/5841