A high-resolution sedimentary record from ODP Leg 151 Hole 907A has been investigated with sedimentological and geochemical methods to study the paleoenvironmental evolution of the Iceland Sea over a 1-Myr time interval in the Late Miocene. Climate deterioration characterizes the Neogene period, culminating in a transition to bipolar glaciations in the Late Pliocene (Thiede and Myhre, 1996). Ice ...