Thermochemical evolution of the upper mantle over 3.5 Gyr: Implications from Mid Ocean Ridge and Subduction Zone basalt magmas


Jun-Ichi Kimura, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, James Gill, University of California Santa Cruz, Santa Cruz, CA, United States and Peter E van Keken, Carnegie Science, Earth & Planets Laboratory, Washington, United States