Ridge basalts with decoupled Hf-Nd isotopes: Evidence for ancient residual lithosphere

Vincent J M Salters, NHMFL, Tallahassee, FL, United States, Christoph Beier, University of Helsinki, Department of Geosciences and Geography, Helsinki, Finland, Andreas Stracke, Westfälische Wilhelms-Universität Münster, Institut für Mineralogie, Münster, Germany; University of Münster, Institut für Mineralogie, Münster, Germany, Henry J Dick, Woods Hole Oceanographic Inst, Arlington, MA, United States and Dominic Woelki, National High Magnetic Field Laboratory, Tallahassee, FL, United States