Pelagic Deposits

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Pelagic Deposits

 

sedimentary deposits in the abyssal parts of the open sea or ocean formed by the slow accumulation far from shore of minute particles suspended in the water. Examples of such particles are the skeletal remains of planktonic microorganisms, clayey and detrital minerals, volcanic ash, and minerals that form on the bottom. Pelagic deposits include modern biogenic sediments (globigerine, coccolithic, diatomaceous, and radiolarian oozes, as well as deep-sea red clay) and ancient sedimentary rocks (certain limestones, radiolarites, and diato-mites).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
Mentioned in ?
References in periodicals archive ?
Further investigations in deep pelagic deposits of the Tethys, especially in the very fossil-rich deposits of western Sicily, are necessary to find this form in the Tethys.