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- W2938402356 abstract "Statistical applications such as correlation, factor analyses and spatial distribution plots have been applied to soils in Akuse area, South-eastern Ghana, to determine minor and trace elements sources, distribution patterns and probable causes for such distributions. Composite soil samples taken on a grid of 1km×1km from the study area showed twenty-five minor and trace elements namely V, Cr, Co, Ni, Cu, Zn, Ga, Rb, Sr, Y, Zr, Nb, Mo, Sb, Cs, Ba, La, Ce, Hf, Ta, Pb, Bi, Th and U. From the statistical mean analyses, Chromium (Cr) showed the highest mean concentration, followed by Zircon (Zr), Strontium (Sr), Barium (Ba) and Vanadium (v). Elements such as Nickel, Copper, Zinc and Cerium showed average mean values ranging from 84.3ppm-47.9ppm. The rest of the elements had lower mean concentrations indicating lesser concentrations in the study area. Elemental association in the study environment were shown by the Pearson Correlation Coefficient. Element pairs such as Cr-Ni, Zn-Rb, Ni-Ba, Zn-Ba and Cu-Zn showed strongly positive correlation coefficient, indicating their occurrence together in the study area. Others such as Zn-Zr and Ga-Zr were negatively correlated as they do not occur together. The applied factor analyses categorized the sources of the elements into natural and anthropogenic with some elements originating from both sources. Plotted Geochemical contours showed the central portion mainly covered by pyroxenites lithology had high concentrations of arsenic, barium, cerium, cobalt, gallium and nickel whilst the northwest had higher concentrations of copper, zinc and rubidium. This distribution was attributed to topographic features, changes in the geology of the bedrock and anthropogenic factors. Arsenic, Bismuth and Thorium were relatively less in concentrations as compared to other elements. The distribution of Cr, Co, Ni, Rb, Th and Ba differentiated the geology of the area and hence distinguished between felsic, basic and ultra-basic precursors. The wide range in trace element characteristics of the soil is an indication for inefficient mixing of the various source rock lithologies during the soil formation processes. The basic gneisses which cover most parts of the survey area showed relatively low concentrations in minor and trace elements as compared to areas covered by pyroxenites intrusions." @default.
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- W2938402356 date "2019-01-01" @default.
- W2938402356 modified "2023-09-28" @default.
- W2938402356 title "Geochemistry of Minor and Trace Elements in Soils of Akuse Area, Southeastern Ghana" @default.
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