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Heavy metal geochemistry of stream sediments from parts of the Eastern Niger Delta Basin, South-Eastern Nigeria

机译:尼日利亚东南尼日尔河三角洲东部盆地部分河流沉积物的重金属地球化学

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摘要

This study documents the baseline geochemistry of sediments in portions of the Eastern Niger Delta, focussing on the distribution of selected heavy metals (Pb, Zn, Cd, Cr, As and Ni). Concentration levels of metals were determined through Atomic Absorption Spectrophotometry (AAS) and results interpreted with statistical techniques. Interrelations between parameters reveal a control by three dominant geogenic factors. The study shows that heavy metal geochemistry of sediments is related to regional and local geology with minor imprints of anthropogenic activities.
机译:这项研究记录了尼日尔东部三角洲部分地区沉积物的基线地球化学,重点研究了选定的重金属(Pb,Zn,Cd,Cr,As和Ni)的分布。通过原子吸收分光光度法(AAS)确定金属的浓度水平,并用统计技术解释结果。参数之间的相互关系揭示了受三个主要地质成因的控制。研究表明,沉积物的重金属地球化学与区域和局部地质有关,而人为活动的痕迹较小。

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