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In Uganda, Precambrian rocks have undergone extensive weathering and erosion, and are locally altered to form considerable clay deposits. We have studied the geochemical, mineralogical, and sedimentological characteristics of clay deposits from central Uganda to determine their composition, source rocks, deposition, and possible use in local industry. Samples were collected from the Kajjansi, Kitiko,...
We analyzed the mineralogical and chemical (including rare earth element [REE]) composition of the >63, 32–63, and <32 μm grain-size fractions of clay-rich sediments from Kajjansi and Ntawo valleys, central Uganda. This was done to understand the changes that occur during the formation of clays. All fractions are dominated by kaolinite and quartz, with minor smectite, chlorite, and feldspar...
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