Archean recycled oceanic crust sampled in Azores lavas

Paul Beguelin, Westfälische Wilhelms-Universität Münster, Institut für Mineralogie, Münster, Germany, Michael Bizimis, University of South Carolina Columbia, School of Earth Ocean and Environment, Columbia, SC, United States, Christoph Beier, GeoZentrum Nordbayern, Erlangen, Germany and Simon Turner, Macquarie University, School of Natural Sciences, Sydney, Australia