CONTAMINATION BY TRACE ELEMENTS OF AGRICULTURAL SOILS AROUND SIDI BOU OTHMANE IN ABANDONED MINE TAILINGS IN MARRAKECH, MOROCCO

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YASSIR B.; SANA E.F.; ALAIN P.

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Journal: POLLUTION Year:2016 | Volume:2 | Issue:1 Page(s): 93-101

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Title

CONTAMINATION BY TRACE ELEMENTS OF AGRICULTURAL SOILS AROUND SIDI BOU OTHMANE IN ABANDONED MINE TAILINGS IN MARRAKECH, MOROCCO

Author(s)

YASSIR B. | SANA E.F. | ALAIN P. | Issue Writer Certificate

Keywords

CONTAMINATION

HEAVY METALS

MINE AREA

MINE TAILINGS

MARRAKECH

SOILS

Abstract

This study was carried out for the purpose of investigating the issue of tailings dams as a potential source of contamination by trace elements in soils at the Sidi Bou Othmane mine in the Marrakech Region, Morocco. Soil samples taken from depths of up to 15 cm and within a radius of 50 m from the tailings dams, were analyzed for Cd, Cu, Pb and Zn using atomic absorption spectrometry. Average concentrations of Cd, Cu, Pb and Zn in soils around the abandoned tailings dams were, respectively, 157.2±8.8, 969.1±38.7, 1640.7±42.7 and 2846.8±84.6 mg/kg. Soils in the vicinity of the decommissioned tailings dams registered increased values for Cd, Cu, Pb and Zn. Contamination factors (CF) and pollution index (PI) were calculated in order to estimate the anthropogenic contribution of target pollutants which determined Cd, Cu, Pb and Zn as the main pollutants in this region. The results revealed the polluted areas in the vicinity of the mine, especially two rural communities apparently linked to the lack of appropriate measures to counteract the effects of these mine tailings, which were causing a progressive contamination of the soil with residues of heavy metal emissions in this region under study. Improved strategies for the management of tailings, among other factors, might have influenced the reduced level of contamination by trace elements at the abandoned mine tailings dam sites.

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APA: Copy

YASSIR, B., SANA, E.F., & ALAIN, P.. (2016). CONTAMINATION BY TRACE ELEMENTS OF AGRICULTURAL SOILS AROUND SIDI BOU OTHMANE IN ABANDONED MINE TAILINGS IN MARRAKECH, MOROCCO. POLLUTION, 2(1), 93-101. SID. https://sid.ir/paper/348632/en

Vancouver: Copy

YASSIR B., SANA E.F., ALAIN P.. CONTAMINATION BY TRACE ELEMENTS OF AGRICULTURAL SOILS AROUND SIDI BOU OTHMANE IN ABANDONED MINE TAILINGS IN MARRAKECH, MOROCCO. POLLUTION[Internet]. 2016;2(1):93-101. Available from: https://sid.ir/paper/348632/en

IEEE: Copy

B. YASSIR, E.F. SANA, and P. ALAIN, “CONTAMINATION BY TRACE ELEMENTS OF AGRICULTURAL SOILS AROUND SIDI BOU OTHMANE IN ABANDONED MINE TAILINGS IN MARRAKECH, MOROCCO,” POLLUTION, vol. 2, no. 1, pp. 93–101, 2016, [Online]. Available: https://sid.ir/paper/348632/en

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