Origin of a 'Southern Hemisphere' Geochemical Signature in the Arctic Upper Mantle

• Published in: Nature
• Main Authors: Goldstein, Steven L., Soffer, Gad, Langmuir, Charles, Lehnert, Kerstin A., Graham, David W., Michael, Peter J.
• Language: English
• Published: Nature Publishing Group 2008
• Subjects: Arctic; Svalbard; Greenland; Gakkel Ridge; Ice cap; Lomonosov Ridge; North Atlantic
• Online Access: http://nrs.harvard.edu/urn-3:HUL.InstRepos:3224711; https://doi.org/10.1038/nature06919

The Gakkel ridge, which extends under the Arctic ice cap for similar to 1,800 km, is the slowest spreading ocean ridge on Earth. Its spreading created the Eurasian basin, which is isolated from the rest of the oceanic mantle by North America, Eurasia and the Lomonosov ridge. The Gakkel ridge thus pr...