The profile morphology of multiple profilse -black soil overlying red material in Coimbatore and Dharmapuri districts were studied to predict the possible reasons for the formation of such multiple profilse.The study of the two series Periyanaicken- palayam series and Jayapuram series.having multiple profile characters reveal that the black soil is of transported origin and the black soil profile developed on the transported material whereas the red soil is of in-situ origin.On correlation it is suggested that the two series could be merged.The Jayapuram series can be given the name of the peviously established series of Periyanaickenpalayam.
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