Seismic anisotropy of 70 Ma Pacific-plate upper mantle

Hannah Friendly Mark1, Daniel Lizarralde2, John A Collins2, Nathaniel C Miller3, Greg Hirth4, James B Gaherty5 and Robert L Evans2, (1)Massachusetts Institute of Technology, Cambridge, MA, United States, (2)WHOI, Woods Hole, MA, United States, (3)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (4)Brown Univeristy, Providence, RI, United States, (5)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States