Seismic Anisotropy in the Lowermost Mantle beneath North America from SKS-SKKS Splitting Discrepancies

Katherine Lutz1, Maureen D Long1, Neala Creasy1 and Jie Deng2, (1)Yale University, New Haven, CT, United States, (2)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States