Abyssal peridotite Hf isotopes identify extreme mantle depletion

• Published in: Earth and Planetary Science Letters
• Main Authors: Stracke, Andreas, Snow, J. E., Hellebrand, E., von Der Handt, Annette, Bourdon, Bernard, Birbaum, K., Günther, D.
• Other Authors: Institute of Geochemistry and Petrology ETH Zürich, Department of Earth Sciences Swiss Federal Institute of Technology - ETH Zürich (D-ERDW), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology Zürich (ETH Zürich)- Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology Zürich (ETH Zürich), Institut für Mineralogie, Westfälische Wilhelms-Universität Münster = University of Münster (WWU), Department of Geosciences Houston, University of Houston, Department of Geology and Geophysics, University of Hawaii, Institute of Geoscience, Albert-Ludwigs-Universität Freiburg, Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement Lyon (LGL-TPE), École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Laboratory of Inorganic Chemistry, Max-Planck Institute for Chemistry, Deutsche Forschungsgemeinschaft (DFG), National Science Foundation (NSF)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2011
• Subjects: mantle; Hf-Nd isotopes; abyssal peridotite; mid ocean ridge; Gakkel Ridge; [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry; [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]; [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph]; [SDE.MCG]Environmental Sciences/Global Changes; Arctic; Arctic Ocean; Indian; Ocean Island
• Online Access: https://hal-insu.archives-ouvertes.fr/insu-00674838; https://doi.org/10.1016/j.epsl.2011.06.012

International audience The isotopic composition of radiogenic systems is a powerful tool to investigate Earth's evolution through time. Most of our understanding of the processes that affect the isotopic composition of the oceanic mantle comes from the study of basalts. Far fewer isotope analys...