Fig. 7From: The sound velocity of wüstite at high pressures: implications for low-velocity anomalies at the base of the lower mantleComparison of the sound velocities of wüstite with those of PREM and ULVZs. The VP and VS profiles of wüstite are shown by broken lines as a function of pressure along the mantle geotherm (Brown and Shankland 1981). The VP and VS profiles for PREM are plotted by solid lines with those of the ULVZsBack to article page