[HTML][HTML] Elasticity of epidote at high pressure and its implications for the velocity anomaly in subduction zone
J Ma, N Cai, D Wang - Geoscience Frontiers, 2024 - Elsevier
Hydrous minerals play a critical role in modifying the physical and chemical properties of the
Earth's interior. Among those, epidote is an important hydrous mineral in greenschist and …
Earth's interior. Among those, epidote is an important hydrous mineral in greenschist and …
Elastic properties of amphibole at high pressure: A new explanation of the low velocities anomaly in the mantle wedges
J Zhang, D Wang, N Cai, R Zhang, P Chen - Tectonophysics, 2023 - Elsevier
Amphibole is an important hydrous mineral in mantle wedges, and its chemical composition
and crystal structure are complex. The elastic properties of amphibole at high pressure are …
and crystal structure are complex. The elastic properties of amphibole at high pressure are …
Low‐Velocity Structure of Subducted Oceanic Crust in the Upper Mantle: Insights From High Pressure and Temperature Elasticity Measurements of Aragonite
This study examines the effects of water and carbon on the velocity profiles of subducted
oceanic crust in the upper mantle. High pressure and temperature Brillouin measurements …
oceanic crust in the upper mantle. High pressure and temperature Brillouin measurements …
Textures Induced by the Coesite‐Stishovite Transition and Implications for the Visibility of the X‐Discontinuity
M Krug, M Saki, E Ledoux, JP Gay… - Geochemistry …, 2022 - Wiley Online Library
The coesite‐stishovite phase transition is considered the most plausible candidate to
explain the X‐discontinuity observed at around 300 km depth in a variety of tectonic settings …
explain the X‐discontinuity observed at around 300 km depth in a variety of tectonic settings …
Implications of sound velocities of natural topaz on the seismic L‐discontinuity
Compressional and shear wave velocities of topaz have been measured by ultrasonic
interferometry in a multi‐anvil apparatus up to 13 GPa at room temperature. By fitting the …
interferometry in a multi‐anvil apparatus up to 13 GPa at room temperature. By fitting the …
Sound velocities of stishovite at simultaneous high pressure and high temperature suggest an eclogite‐rich layer beneath the Hawaii hotspot
Compressional and shear wave velocities of polycrystalline stishovite (SiO2) have been
measured at simultaneous high pressures and temperatures up to 14.5 GPa and 800° C. By …
measured at simultaneous high pressures and temperatures up to 14.5 GPa and 800° C. By …
Seismic visibility of eclogite in the Earth's upper mantle—Implications from high pressure‐temperature single‐crystal elastic properties of omphacite
Identifying and locating the geochemical and geophysical heterogeneities in the Earth's
interior is one of the most important and challenging tasks for the deep Earth scientists …
interior is one of the most important and challenging tasks for the deep Earth scientists …
Sound velocity of eclogite at high pressures and implications for detecting eclogitization in subduction zones
R Zhang, D Wang, N Cai, J Zhang, P Chen… - …, 2024 - pubs.geoscienceworld.org
The increased velocity associated with decaying seismicity in the subducting oceanic crust
usually has been attributed to its eclogitization. However, the degree of the eclogitization of …
usually has been attributed to its eclogitization. However, the degree of the eclogitization of …
The seismically fastest chemical heterogeneity in the Earth's deep upper mantle—Implications from the single-crystal thermoelastic properties of jadeite
Jadeite is a major mineral phase (up to 50 vol%) in the subducted sediments/crust with
continental origin, which are one of the major heterogeneities and important enriched …
continental origin, which are one of the major heterogeneities and important enriched …
Elasticity of single-crystal Fe-enriched diopside at high-pressure conditions: Implications for the origin of upper mantle low-velocity zones
Diopside is one of the most important end-members of clinopyroxene, which is an abundant
mineral in upper-mantle petrologic models. The amount of clinopyroxene in upper-mantle …
mineral in upper-mantle petrologic models. The amount of clinopyroxene in upper-mantle …