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Abstract
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Article Information:
Geological and Geochemical Controls on the Composition of Natural Drainages in Homase Mineral Deposit Environment
Chiri G. Amedjoe, Gordon Foli and Prosper M. Nude
Corresponding Author: Chiri G. Amedjoe
Submitted: 2011 November, 12
Accepted: 2011 December, 09
Published: 2012 March, 01 |
Abstract:
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This study investigated the geochemical and geological characteristics of the Homase mineral
deposit(s) environment in Ghana. The aim of the study was to identify and characterize, the signatures
influencing the composition of natural drainges in the area. Streams, hand-dugout wells and a borehole samples
in the catchment area were analysed for water quality parameters including metals, major and minor elements.
Mineralogical composition of mineralized and un-mineralized rocks carried out by other workers in the area
was used to ascertain the possible sources of the metals etc. Local geology and sulphide mineralisation with
arsenopyrite and pyrite being the dominant sulphide minerals influence water variation. Analytical results using
standard methods study, shows that streams are being impacted by iron and arsenic in the ranges 0.02 to 3.56
mg/L and 0.02 to 1.30 mg/L, respectively. Also ranges for the above metals in hand-dugout wells are 0.03 to
0.48 mg/L and 0.24 to 1.32 mg/L, respectively. This geochemical information suggests the mineral deposit(s)
is relatively benign to the Homase environment.
Key words: Environmental geochemical hazards, granitoids, hydrogeochemical media, pyrite, sulphide mineralization, weathered rocks,
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Cite this Reference:
Chiri G. Amedjoe, Gordon Foli and Prosper M. Nude, . Geological and Geochemical Controls on the Composition of Natural Drainages in Homase Mineral Deposit Environment. Research Journal of Environmental and Earth Sciences, (03): 255-263.
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ISSN (Online): 2041-0492
ISSN (Print): 2041-0484 |
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