Chahid, D. and Lenoble, A. and Boudad, L. and Van Vliet-Lanoë, B. (2016) Sedimentary records of high energy events, examples of the Atlantic coast of Rabat-Skhirat (Morocco) Enregistrements sédimentaires d'événements de haute énergie, exemples de la côte atlantique de Rabat-Skhirat (Maroc). Quaternaire, 27 (2). pp. 155-169.

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Holocene high energy deposits have been identified on the coastline near Rabat-Skhirat (NW of Morocco). At El Harhoura, the massif of Pléistocène calcarenite is topped by a 2 m thick sand formation. This formation is onlap on residual silty clay deposit, and it consists of a succession of massif sandy deposits, incorporating large boulders. The successive unconsolidated units attest of event deposits caused by storms or by a tsunami. The 14C age of this Holocene formation is bracketed between 9, 700 and 2, 300 cal. B P. At Skhirat, the morphology of the coastal ridge, the sedimentary structures and the grain-size reveal a prevailing storm dynamic. The 14C dating bracketed its formation between 8, 000 and 4, 000 cal. B P. Along the Skhirat coastal ridge, the beach rock incorporates irregularly clustered mussels and pebbles at its base, as well as several generations of megaboulders. These elements also signed high energy deposits. © 2016 Association Francaise pour l'Etude du Quaternaire. All rights reserved.

Item Type: Article
Subjects: Earth and Planetary Sciences
Divisions: SCIENTIFIC PRODUCTION > Earth and Planetary Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:46

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