Compositional heterogeneity in the mantle transition zone
Earth's mantle transition zone (MTZ) is characterized by several sharp increases in seismic
wave speed between~ 300 km and~ 850 km depth. These seismic discontinuities are …
wave speed between~ 300 km and~ 850 km depth. These seismic discontinuities are …
Ubiquitous lower-mantle anisotropy beneath subduction zones
Seismic anisotropy provides key information to map the trajectories of mantle flow and
understand the evolution of our planet. While the presence of anisotropy in the uppermost …
understand the evolution of our planet. While the presence of anisotropy in the uppermost …
Deep earthquakes in subducting slabs hosted in highly anisotropic rock fabric
Abstract Analysis of deep subduction-zone earthquakes, those at depths greater than 60 km,
reveals the physical and chemical properties of a descending oceanic lithosphere at mantle …
reveals the physical and chemical properties of a descending oceanic lithosphere at mantle …
cij: A Python code for quasiharmonic thermoelasticity
Abstract The Wu-Wentzcovitch semi-analytical method (SAM) is a concise and predictive
formalism to calculate the high-pressure and high-temperature (high-PT) thermoelastic …
formalism to calculate the high-pressure and high-temperature (high-PT) thermoelastic …
Mantle dynamics inferred from the crystallographic preferred orientation of bridgmanite
Abstract Seismic shear wave anisotropy,,,,, is observed in Earth's uppermost lower mantle
around several subducted slabs. The anisotropy caused by the deformation-induced …
around several subducted slabs. The anisotropy caused by the deformation-induced …
Seismic anisotropy tomography and mantle dynamics of central‐eastern USA
We present high‐resolution 3‐D tomographic models of isotropic P‐wave velocity (Vp),
azimuthal anisotropy, and radial anisotropy down to 1,300 km depth beneath the central and …
azimuthal anisotropy, and radial anisotropy down to 1,300 km depth beneath the central and …
Elasticity of akimotoite under the mantle conditions: Implications for multiple discontinuities and seismic anisotropies at the depth of∼ 600–750 km in subduction …
The equation of state and elastic properties of akimotoite at simultaneously high pressures
and high temperatures are obtained using first-principles calculations based on the density …
and high temperatures are obtained using first-principles calculations based on the density …
Mineralogy, fabric and deformation domains in D ″across the southwestern border of the African LLSVP
Recent advances in seismic anisotropy studies that jointly use reflections and shear wave
splitting have proven to place tight constraints on the plausible anisotropic and deformation …
splitting have proven to place tight constraints on the plausible anisotropic and deformation …
Mantle dynamics of the Andean Subduction Zone from continent-scale teleseismic S-wave tomography
SUMMARY The Andean Subduction Zone is one of the longest continuous subduction
zones on Earth. The relative simplicity of the two-plate system has makes it an ideal natural …
zones on Earth. The relative simplicity of the two-plate system has makes it an ideal natural …
Deformation mechanisms, microstructures, and seismic anisotropy of wadsleyite in the Earth's transition zone
EE Ledoux, M Saki, JP Gay, M Krug… - Geochemistry …, 2023 - Wiley Online Library
Wadsleyite is the dominant mineral of the upper portion of the Earth's mantle transition zone
(MTZ). As such, understanding plastic deformation of wadsleyite is relevant for the …
(MTZ). As such, understanding plastic deformation of wadsleyite is relevant for the …