Mantle skewness and ridge segmentation

¹Department of Geological Sciences, University of Oregon, Eugene, Oregon 97403, USA.

²Nancy-Université, CRPG, 54501 Vandoeuvre les Nancy, France

³Department of Geology and Geophysics, University of Hawaii-SOEST, Honolulu, Hawaii, 96822, USA

⁴School of Oceanography, University of Washington, Seattle, Washington 98195, USA

⁵National Science Foundation, Arlington, Virginia 22230, USA