WISTFUL thinking: seismic evidence for mantle iron enrichment beneath the Midcontinent Rift

Eva Marie Golos1, William Joseph Shinevar2, Mark D Behn3, Oliver E Jagoutz1 and Robert D van der Hilst4, (1)Massachusetts Institute of Technology, Cambridge, MA, United States, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (3)Boston College, Chestnut Hill, MA, United States, (4)Massachusetts Institute of Technology, Cambridge, United States