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Stream sediment geochemical survey of an area around Dass, N.E. Nigeria


IV Haruna
SS Dada
YD Mamman

Abstract



Stream sediment geochemical survey was carried out in Dass area to determine possible dispersion train for Pb, Cu, Co, Ni and Zn. A total of 114 active stream sediment samples were collected over an area of 60km2. The samples were treated with hot HNO3 and analysed for Pb, Cu, Co, Ni, Zn, Mn, Mg, Ca, and Fe.The results indicated high concentration of Zn (81.3µg/g), Cu (10.8µg/g), Pb (50.0µg/g), Ni (20.0µg/g) and Co (51.6µg/g) in the area. Descriptive statistical method together with element distribution maps, employed in the presentation of the result, point to a dispersion train for anomalous Pb, Zn, Cu, Co, and Zn in the western flank of the study area. The underlying geology probably played a major role in the distribution of the anomalies.

Keywords: Dass, Dispersion train, Stream sediment

Global Journal of Geological Sciences Vol. 6 (2) 2008: pp. 105-112

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eISSN: 2992-4502
print ISSN: 1596-6798