Mineralogical and geochemical studies on soils and Nile bottom sediments of Luxor–Aswan area, South Egypt
نویسندگان
چکیده
Abstract Background The geochemical studies on the rare earth elements to demonstrate sources of toxic metals for soils and Nile sediments Aswan area are seldom. Results Minerallogically, studied soil agriculture samples consist mainly quartz (42%), clay minerals (33%), plagioclase (20%) magnesin-calcite (5%). Clay composed montmorillonite as bentonite. (75%), (15%), (5%) calcite calcian-montmorillonite (10%) Kaolinite Geochemically, chemical analytical techniques environment-sensitive elements, including Pb, Cd, As, Ni, Co, Cu, Cr, Zn, U Th, have been performed agricultural Aswan–Luxor District assess characteristics these their impact environmental plant, well provenance. Conclusions Average content Cd was about 1.5-fold slightly higher than (MPL). Pb Cr average contents twofold (MPL) is represented 2.5-fold Ni in both cultivated lower maximum permissible limit Zn 2, 2- 2.5-fold, respectively, according USPHS threefold soils. Luxor–Aswan district characteristic highly enrichment Mn, Th those sediments. In addition, high concentration Mn low contamination other elements. may probably be natural or anthropogenic. anthropogenic source resulting from paper, Ferrosilicon factories Phosphate mines at Edfu, Sand quarry, Shale mine Nitrogen Fertilizer factory Aswan. such waste drains floods.
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ژورنال
عنوان ژورنال: Bulletin of the National Research Centre
سال: 2021
ISSN: ['2522-8307', '1110-0591']
DOI: https://doi.org/10.1186/s42269-021-00573-3