Neogene planktonic foraminifera of DSDP Leg 41 holes, supplement to: Krasheninnikov, Valery A; Pflaumann, Uwe (1978): Zonal stratigraphy of Neogene deposits of the eastern part of the Atlantic Ocean by means of planktonic foraminifers, Leg 41 Deep Sea Drilling Project. In: Lancelot, Y; Seibold, E; Gardner, JV; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Government Print Office), 41, 613-657

Valery A Krasheninnikov & Uwe Pflaumann
During Leg 41 Neogene sediments were recovered from five sites off northwest Africa.On the Sierra Leone Rise (Site 366), Neogene sediments consist of nanno oozes, nanno chalk, and calcareous clays 230 meters thick, resting conformably on the late Oligocene sediments. The common succession of zones occurs with two hiatuses. The lower gap corresponds to an interval around the lower/middle Miocene boundary (the Praeorbulina glomerosa and Orbulina suturalis-Globorotalia peri-pheroronda zones are absent) and the upper gap...
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