Helium isotopes reveal a ubiquitous recycled component in the MORB mantle

Jonathan Tucker1, Charles H Langmuir1, Sujoy Mukhopadhyay2, Cedric Hamelin3 and Jocelyn Fuentes4, (1)Harvard University, Earth and Planetary Sciences, Cambridge, United States, (2)Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States, (3)Independant scholar, Bergen, Norway, (4)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States
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