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Soaga, Oluwaseun; Hathorne, Ed C; Frank, Martin; Tselykh, Polina; Jebasinski, Lena; Nürnberg, Dirk (2025): Radiogenic Neodymium isotope and REE concentrations of authigenic and detrital phases and benthic foraminiferal stable oxygen and carbon isotopes at DSDP Site 72-517, Rio Grande Rise [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.974490

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Published: 2025-01-28 • DOI registered: 2025-02-26

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Abstract:
This dataset includes the analysis of sediment core DSDP 517 (30°56.81'S, 38°02.47'W, 2963 m water depth) recovered from the Rio Grande Rise within the modern day North Atlantic Deep Water (NADW). The dataset contains measurements of radiogenic Neodymium (Nd) isotope composition and Rare Earth Element (REE) concentrations of authigenic (mixed planktic foraminifera and non decarbonated bulk sediment leachates) and totally dissolved residual silicate (detrital) fraction. The Nd isotope measurements were made on the Neptune Plus High-Resolution Multi Collector ICP-MS and the Nu Plasma 3 MC-ICPMS and the REE concentrations were measured on the Agilent 7500ce ICP-MS. The dataset also includes benthic foraminiferal stable oxygen and carbon isotopes measured on Cibicidoides Wuellerstorfi using a ThermoScientific MAT 253 mass spectrometer. The dataset provides insights into the variability of NADW in the South Atlantic Ocean over the last 150,000 years.
Keyword(s):
NADW; Neodymium isotopes; Rare earth elements; Rio Grande Rise; South Atlantic Ocean; Stable carbon and oxygen isotopes
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: -30.946800 * Longitude: -38.041200
Date/Time Start: 1980-03-30T00:00:00 * Date/Time End: 1980-03-30T00:00:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Size:
4 datasets

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Datasets listed in this bundled publication

  1. Soaga, O; Hathorne, EC; Frank, M et al. (2025): Radiogenic Neodymium isotope data of planktic foraminifera, non decarbonated bulk sediment leachates and detrital fraction at DSDP Site 72-517, Rio Grande Rise. https://doi.org/10.1594/PANGAEA.974355
  2. Soaga, O; Hathorne, EC; Frank, M et al. (2025): Rare Earth Element concentrations of the detrital fraction at DSDP Site 72-517, Rio Grande Rise. https://doi.org/10.1594/PANGAEA.974357
  3. Soaga, O; Hathorne, EC; Frank, M et al. (2025): Rare Earth Element concentrations of mixed planktic foraminifera at DSDP Site 72-517, Rio Grande Rise. https://doi.org/10.1594/PANGAEA.974356
  4. Soaga, O; Hathorne, EC; Frank, M et al. (2025): Stable oxygen and carbon isotope data of Cibicidoides Wuellerstorfi at DSDP Site 72-517, Rio Grande Rise. https://doi.org/10.1594/PANGAEA.974354