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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/5195

Title: Geochemical and Mineralogical Characteristics of Lithomargic Clay Types from Awaso Bauxite Deposit, Ghana: Implications for Possible Industrial Utilization
Authors: Momade, F.W.Y.
Gawu, S.K.Y.
Keywords: Lithomarge
Kaolinite
Alum
Mineralogy
Geochemistry
Issue Date: Aug-2009
Publisher: Journal of Science and Technology
Citation: Journal of Science and Technology, Vol. 29 No. 2, 2009 pp 97-106
Abstract: Geochemical and mineralogical methods were employed in characterizing lithomargic clay types underlying Awaso lateritic bauxite deposit in southwestern Ghana in order to assess their suitability for possible industrial utilization. Representative samples analyzed from the deposit revealed kaolinite and gibbsite as the dominant minerals whilst accessory minerals found included goethite, rutile, biotite and muscovite with quartz conspicuously absent. It is possible to wash and separate most of the gibbsite component, which is prevalent in the > 90pm size fractions. On the basis of the results obtained from chemical and mineralogical analyses as well as diagnostic evaluative analyses, the lithomargic clay types could be exploited in the production of aluminium sulphate (alum) for water purification and alumino-silicate refractory material. The raw clay will however have to be beneficiated in order to optimize grade and recovery.
Description: Article published in the Journal of Science and Technology, Vol. 29 No. 2, 2009 pp 97-106
URI: http://hdl.handle.net/123456789/5195
Appears in Collections:Journal of Science and Technology 2000-

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