Radiolarians from the North Atlantic Ocean, Deep Sea Drilling Project Leg 94.

Abstract

Radiolarians occur at all Leg 94 sites in Quaternary and Pliocene sediments, and at Sites 608 and 610 in Miocene sediments. At Sites 607 and 609 there is an inverse relation between abundance of terrigenous components (in the silt-sand range) and both the abundance and preservation of radiolarians, although this tendency has more exceptions at Site 607. Cluster analysis indicated a substantial change in the radiolarian assemblage at the level of Core 609-12 or-13, but no enduring change was detected in the samples of equivalent age at Site 607.-Authors