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Casablanca, Morocco

Mejjad N.,Laboratoire Of Geologie Appliquee | Laissaoui A.,Center National Of Lenergie | El-Hammoumi O.,Laboratoire Of Geologie Appliquee | Benmansour M.,Center National Of Lenergie | And 6 more authors.
Journal of Radioanalytical and Nuclear Chemistry | Year: 2016

Naturally occurring radionuclides and 137Cs were measured in a sediment core and surface deposit collected from the bed channel of the Oualidia Lagoon located in the western Morocco. Major and rare earth elements (REE) profiles were determined by instrumental NAA technique. 210Pb and 137Cs were used to establish the sedimentation chronology over the last decades by using conventional models. 210Pb displayed relatively higher concentrations and rate of supply to the sediment than typical levels found in other coastal areas in Morocco. REE ratios and Ce anomalies showed that the direct incorporation of particles from seawater to the bed sediment is the most important, followed by the terrigenous component. © 2016 Akadémiai Kiadó, Budapest, Hungary Source

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