Ancient, highly heterogeneous mantle beneath Gakkel ridge, Arctic Ocean

• Published in: Nature
• Main Authors: Liu, Chuan Zhou, Snow, Jonathan E., Hellebrand, Eric, Brügmann, Gerhard, Von Der Handt, Anette, Büchl, Anette, Hofmann, Albrecht W.
• Format: Text
• Language: unknown
• Published: LSU Digital Commons 2008
• Subjects: Arctic; Arctic Ocean; Gakkel Ridge
• Online Access: https://digitalcommons.lsu.edu/geo_pubs/988; https://doi.org/10.1038/nature06688

The Earth's mantle beneath ocean ridges is widely thought to be depleted by previous melt extraction, but well homogenized by convective stirring. This inference of homogeneity has been complicated by the occurrence of portions enriched in incompatible elements. Here we show that some refractor...