Abstract
Textural properties of recent aeolian deposits in five distinctive aggradational sub-basins located on the south-west–north-east and east–west transects in the Indian Thar Desert are analysed for regional correlations and sedimentologic evolutionary trends. Modern aeolian sands in the Thar are dominated by fine to very fine grained (M 2·5 to 3·5 phi), quartzose clastics. These are very well to moderately well sorted and have strongly fine to fine skewed and very leptokurtic to extremely leptokurtic textural characteristics. Progressive down-wind fining of grain size is inferred in the western Thar desert. Sorting and skewness attributes of recent aeolian sands show discernible improvement in direct proportion to the decrease in mean grain size. Nature and availability of source material appear to exert stronger influence in determining the resultant and inherited textural properties of the recent aeolian accumulations.
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