Particle Size Distribution Studies In Paleosols Around Mysore District, Karnataka- India

An investigation was carried out to classify the different types of soil samples collected from Chikkahali and Hootagalli areas along KRS road in Mysore district. Sieve analysis and hydrometric methods were used to determine the soil particle size distribution and soil classification of study area. According to sieve analysis, out of five soil profiles of study area, three types of soils are identified; they are muddy sand, gravely muddy sand and gravelly mud. According to hydrometer data, study area soils are classified as clay, clay loam and loam. The major rock types of the study area include gneiss, biotite gneiss, garnetiferrous amphibolites and quartz-feldespatic rock. Grain size greater than 2mm was considered as Gravel, between 2 to 0.05mm as Sand and in between 0.05 to 0.002mm as Silt (USDA Classification System).The grain size lesser than 0.002mm is consider as Clay. Geological map of the study area has been prepared with help of GIS tools (Arc GIS 9.3).