Prehistory and Protohistory in India and Pakistan c11.7

c11.7

At Devkachar the pebble-gravel is completely eroded and the new sandy chalcedony gravel rests directly over the reddish concretionary clay and is capped by a light grey silt which again shows up as a distinct terrace on the opposite bank. Its gravel is being eroded and lies loose in the bed and so a little to the right (as one descends) one may see only the four silts: the lowest reddish concretionary capped by a brownish one and forming the topmost terrace; the eroded portion of the latter covered by a light grey one, and where both these are removed, a blackish silt rests on the reddish silt. This may be shown thus: