Seismic studies of the upper mantle and transition zone

Peter M. Shearer

Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography,
University of California, San Diego, La Jolla

• Introduction
• Upper Mantle Anisotropy
• Upper Mantle Velocity and Q Structure
• The 410- and 660-km Discontinuities
• Other Discontinuities?
• Conclusions
• References