Records of upper mantle oxygen fugacity gleaned from high-density sampling of basalts and peridotites at ultraslow ridges

Suzanne Katherine Birner, Stanford University, Stanford, United States, Elizabeth Cottrell, Smithsonian, NMNH, Department of Mineral Sciences, Washington, DC, United States, Jessica M Warren, University of Delaware, Earth Sciences, Newark, DE, United States, Katherine A Kelley, University of Rhode Island, Graduate School of Oceanography, Narragansett, RI, United States and Fred A Davis, University of Minnesota Duluth, Duluth, United States