ORIGIN OF THE SILICA SAND DEPOSITS IN WESTERN SRI .Here we present mineralogical, sedimentological and geochemical evidence to prove the origin of silica sand deposits in the west of Sri Lanka. These results.we need silica sand in sri lanka,we need silica sand in sri lanka,The Present Status of the Development of Mineral Resources in Sri .heavy mineral sands a11d mica have also been noted. The rapid . sector is tlze lack of a proper assessment of the mineral resources of Sri Lanka. . ACIOI. I. Figure 1 . Location of industrial Units and Mines - ~ r i. Lanka (After Herath 1980) .. quartz and feldspar are present or after crushing to scparate the two minerals. (c).
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