Reconstructing deglacial North and South Atlantic deep water sourcing using foraminiferal Nd isotopes
During the last few decades, neodymium isotopes have been increasingly used as a paleoceanographic and paleoclimate proxy on million-year through millennial time-scales. The widespread use of the Nd isotope proxy depends on whether the Nd isotopic composition of past seawater can be reliably extracted from authigenic sediment phases. Here we show evidence that planktonic foraminifera with authigenic coatings preserve a deep water Nd isotopic signature and thus can be used to reconstruct past...[Show more]
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|Source:||Earth and Planetary Science Letters|
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