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doi:10.2204/iodp.proc.339.205.2019

Introduction

Integrated Ocean Drilling Program (IODP) Expedition 339 was targeted to study the Mediterranean Outflow Water (MOW) and to identify the role of salt injection from it in the dynamics of North Atlantic Deep Water spanning the early Pleistocene, Pliocene, and latest Miocene. In this context, Site U1387, located toward the eastern end of the Faro Drift (36°48.3210′N, 7°43.1321′W), was one of the most critical sites of Expedition 339 (Figure F1), giving the possibility to study the entire time period. In fact, the major objective for Site U1387 was to recover a complete sedimentary record for at least the last 5.3 Ma on the Faro Drift, which was deposited under the influence of the upper core of MOW (see the “Methods” chapter [Expedition 339 Scientists, 2013a]). In this study, we focused on analyzing the calcareous nannofossil assemblage to revise their biostratigraphic events from the early Pleistocene, spanning from ~1.95 to 1.40 Ma. For this time frame, a postexpedition revision of the Site U1387 splice was also performed (Voelker et al., 2018).

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