Fig. 3: Comparisons of velocities and density between CF-type phases and other lower-mantle minerals along the normal mantle geotherm. | Nature Communications

Fig. 3: Comparisons of velocities and density between CF-type phases and other lower-mantle minerals along the normal mantle geotherm.

From: Velocity and density characteristics of subducted oceanic crust and the origin of lower-mantle heterogeneities

Fig. 3: Comparisons of velocities and density between CF-type phases and other lower-mantle minerals along the normal mantle geotherm.

a compressional wave velocities (VP), b shear wave velocity (VS), and c density (ρ). The normal mantle geotherm is derived from Brown and Shankland (1981)47. Data sources: NaCF, NaAlSiO4 CF-type phase, this study; MgCF, MgAl2O4 CF-type phase, this study; MgFeCF, Mg0.75Fe0.25Al2O4 CF-type phase, this study; SiO2, stishovite and the CaCl2-type silica, Yang and Wu (2014)37; Bdg, Mg0.92Fe0.08SiO3 bridgmanite, Shukla et al. (2015)34; CaPv, Ca-perovskite, Kawai and Tsuchiya (2015)36; FP, Mg0.82Fe0.18O ferropericlase, Wu et al. (2013)64. Grey areas represent the calculated phase boundary between stishovite and the CaCl2-type silica37.

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