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Artisanal gold mining in Chami is an important lever in the country economy, owing to the benefits it brings, but it is also likely to have a negative impact on various environmental compartments. Contamination of surface and ground water by trace metals elements (ETMs) was studied in the vicinity of the Chami gold processing center. The aim of the study was to assess the water contamination by trace metals (ETMs) in the town of Chami. Nine water samples (process and boreholes) were analyzed for (Co, Cr, Cu, Ni, Pb, Zn and Hg). The analysis was carried out by the DMA 80 technique for Hg at the ONISPA laboratory in Nouakchott and the other ETM at the Kenitra geosciences laboratory by the ICP-MS technique. The results of the analyses show that the ETM concentrations are high in process water samples and low in drilling water samples. Pollution indices and coefficients of variation indicate no contamination or anthropogenic traces in the borehole samples, but high levels of Hg and Ni in the process water. These results show the accumulation of metals in significant quantities in the process waters, especially Hg, proving that the waters of the mining waste basins at the Chami processing site are becoming sources of environmental pollution by mercury, which can be released into the environment by several pathways.
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Tom
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139--147
Opis fizyczny
Bibliogr. 21 poz., rys., tab.
Twórcy
autor
- Department of Geology, University Ibn Tofail, Campus Universitaire, 14000, Kénitra, Morocco
- Department of Geology, University of Nouakchott, Av Roi Faiçal, Nouakchott, Mauritania
autor
- Department of Geology, University of Nouakchott, Av Roi Faiçal, Nouakchott, Mauritania
autor
- Department of Geology, University Ibn Tofail, Campus Universitaire, 14000, Kénitra, Morocco
autor
- 16 Lot Michel Harhoura, Témara plage, Morocco
autor
- Department of Geology, University of Nouakchott, Av Roi Faiçal, Nouakchott, Mauritania
autor
- Department of Geology, University of Nouakchott, Av Roi Faiçal, Nouakchott, Mauritania
autor
- Department of Natural Resources and Environment, Hassan II Agronomy and Veterinary Institute, Rue Allal Al Fassi Madinate Al Irfane 1010, Rabat, Morocco
autor
- Ministry of Petroleu, Mining and Energies, Av de la plage Carrefour Hôpital Sabah, Nouakchott, BP: 492, Mauritania
autor
- Department of Geology, University Ibn Tofail, Campus Universitaire, 14000, Kénitra, Morocco
autor
- Department of Geology, University of Nouakchott, Av Roi Faiçal, Nouakchott, Mauritania
Bibliografia
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- 2. Bamba O., Pélédé S., Sako A., Kagambéga N., Miningou1 M.Y.W. 2013. Impact de l’artisanat minier sur les sols d’un environnement agricole aménagéau Burkina Faso. Journal des sciences, 13, 1–11.
- 3. Bellion Y. 1991. Le basin marginal de Mauritanie ou basin sedimentaire cotier. Dans, Geologie de la Mauritanie. Caruba, R. et Dars, R., 95–123.
- 4. Bougherara H., Zdero R., Dubov A., Shah S., Khurshid S., Schemitsch E.H. 2011. A preliminary biomechanical study of a novel carbon–fibre hip implant versus standard metallic hip implants. Medical Engineering and Physics, 33(1), 121–128. DOI, 10.1016/j.medengphy.2010.09.011
- 5. Chassin P., Baize D., Cambier P., Sterkman T. 1996. Les éléments traces métalliques et la qualité des sols. Impact à moyen et à long terme. Etude et gestion des sols, 3(4), 298–306
- 6. Chon H.T., Ahn J.S., Jung M.C. 1998. Seasonal variations and chemical forms of heavy metals in soils and dusts from the satellite cities of Seoul, Korea. Environmental Geochemistry and Health, 20(2), 77–86. DOI: 10.1023/A, 1006593708464
- 7. Driscoll Charles T., Robert P., Jacob Daniel J., Pirrone N. 2013. Mercury as a Global Pollutant, Sources, Pathways, and Effects. Environmental Science Technology, 47(10), 4967−4983
- 8. Elouard P., Faure H., Hebrard L. 1969. Quaternaire du littoral mauritanien entre Nouakchott et Port-Etienne (18–21 latitude Nord). Bull. Assoc. Sénégal. and Quat. Ouest Africa, 23–24, 15–24.
- 9. Grimaldi M., Guédron S., Grimaldi C. 2015. Impact of Gold Mining on Mercury Contamination and Soil Degradation in Amazonian Ecosystems of French Guiana. © CAB International, 95–111.
- 10. Guedron S., Grangeon S., Lanson B., Grimaldi M. 2009. Mercury speciation in a tropical soil association, Consequence of gold mining on Hg distribution in French Guiana. Geoderma, 153(3–4), 331–346.
- 11. Mallongi A., Irwan R., Antetampang A.L. 2017. Assessingthe Mercury Hazard Risks among Communities and Gold Miners in Artisanal Buladu Gold Mine, Indonesia. Asian Journal of Scientific Research, 10, 316–322.
- 12. Müller G. 1969. Index of geoaccumulation in the sediments of the Rhine River. Geojournal., 2, 108–118.
- 13. Péhégninon Junior Ophélie D.J.A.D.E., Abou T., Koffi J., Keiba N.K., Gbombélé S., Nagnin S. Evaluation du niveau de contamination des eaux souterraines par les éléments traces dans le département de Zouan-Hounien (Ouest de la Côted’Ivoire). Journal of Applied Biosciences, 150, 15457–15468.
- 14. Posthumus E.D.J. 2019. L'impact de l'extraction minière artisanale et à petite échelle de l'or sur la santé humaine et l'environnement au BurkinaFaso. World Water net, 8.
- 15. Riser J. 1991. Quaternaire alluvial, éolien et littoral en Mauritanie. Dans, R. Caruba, et R. Dars. Geologie de la Mauritanie, 125–139.
- 16. Ritz M., Bellion Y. 1990. Structure of the Atlantic margin of Mauritania (western Africa) based on geoelectrical and drilling data. Geology, 18(6), 571–574.
- 17. Ritz M., Robineau B., Vassal J., Bellion Y., Dukhan M. 1989. Structures of the West African Craton margin across southern Mauritania inferred from a 450km geoelectrical profile. Geophy. Res. Letters, 16(4), 283–286.
- 18. Smouni A., Ater M., Auguy F., Laplaze L., El Mzibri M., Berhada F., Doumas P. 2010. Évaluation de la contamination par les éléments-traces métalliques dans une zone minière du Maroc oriental. Cahiers Agricultures, 19(4), 273–279. DOI: 10.1684/agr.2010.0413
- 19. Tankari Dan-Badjo A., Guero Y., Dan Lamso N., Tidjani A.D., Ambouta K.J.M., Feidt C., Sterckeman T., Echevarria G. 2013. Evaluation de la contamination des sols par les éléments traces métalliques dans les zones urbaines et périurbaines de la ville de Niamey (Niger). Revue des BioRessources, 2(2), 82–95.
- 20. Veiga M.M., Baker R.F. 2004. Protocols for Environmental and Health Assessment of Mercury Released by artisanal and small-scall gold miners. Vienna, Austria, GEF/UNDP/UNIDO, 289.
- 21. Yehdhih M., El Hadi H., Baghdad, B., Chakiri S., Hamoud A. 2022. Spatial distribution and assessment of surface Soils contamination by heavymetals of an industrial area, The Lévrier Bay (Nouadhibou, Mauritania).Eco. Env. &Cons., S82–S87.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-9715655d-013b-467f-8db5-128c14e90e4c
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