A receiver function investigation of mantle transition zone discontinuities beneath the Juan de Fuca Plate and adjacent areas

Yan Jia1, Kelly Hong Liu1 and Stephen S Gao2, (1)Missouri University of Science and Technology, Geology and Geophysics Program, Rolla, MO, United States, (2)Missouri University of Science and Technology, Geology and Geophysics Program, Rolla, United States