Based upon the composition of the ooze, there are three main types of pelagic sediments: siliceous oozes, calcareous oozes, and red clays.
There are three main types of pelagic sediments. This is based upon the composition of the ooze. There are siliceous oozes. This is based upon the composition of the ooze. There are red clays. This is based upon the composition of the ooze. Siliceous oozes are calcareous oozes.