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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: | 2009 |
Publisher: | Journal of Science and Technology |
Citation: | Journal of Science and Technology, Vol. 29, No. 2, Aug., 2009, pp 96-106 |
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 > 90μm 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, Aug., 2009, pp 96-106 |
URI: | http://hdl.handle.net/123456789/4993 |
Appears in Collections: | Journal of Science and Technology 2000-
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