It contains a wide range of sedimentary particles such as clay , silt , sand , gravel and shell banks but the major part of the catchment area is silt .
The catchment area of Chilika lake has a rock , sand and mud substratum .
lake contains a wide range of sedimentary particles such as clay , silt , sand , gravel and shell banks but the major part of the catchment area is silt .
The catchment area of Chilika lake has a rock , sand and mud substratum .