Two-dimensional modelling of subduction zone anisotropy with application to southwestern Japan
We present a series of 2-D numerical models of viscous flow in the mantle wedge induced
by a subducting lithospheric plate. We use a kinematically defined slab geometry …
by a subducting lithospheric plate. We use a kinematically defined slab geometry …
Artificial age-independent seismic anisotropy, slab thickening and shallowing due to limited resolving power of (an) isotropic tomography
F Rappisi, M Witek, M Faccenda… - Geophysical Journal …, 2024 - academic.oup.com
Seismic anisotropy is key to constrain mantle flow, but it is challenging to image and
interpret it. Existing large-scale tomography models of seismic anisotropy typically show …
interpret it. Existing large-scale tomography models of seismic anisotropy typically show …
In situ observation of crystallographic preferred orientation of deforming olivine at high pressure and high temperature
Simple-shear deformation experiments on polycrystalline olivine and olivine single-crystal
were conducted at pressures of 1.3–3.8 GPa and temperatures of 1223–1573 K to …
were conducted at pressures of 1.3–3.8 GPa and temperatures of 1223–1573 K to …
Viscous anisotropy of textured olivine aggregates: 2. Micromechanical model
The significant viscous anisotropy that results from crystallographic alignment (texture) of
olivine grains in deformed upper mantle rocks strongly influences a large variety of …
olivine grains in deformed upper mantle rocks strongly influences a large variety of …
Synergy of experimental rock mechanics, seismology, and geodynamics reveals still elusive upper mantle rheology
C Jain, J Korenaga - Journal of Geophysical Research: Solid …, 2020 - Wiley Online Library
We present a novel geodynamic approach that can potentially tighten existing constraints on
mantle rheology. This new approach, which we call probabilistic geodynamic modeling, is …
mantle rheology. This new approach, which we call probabilistic geodynamic modeling, is …
SKS splitting in Southern Italy: Anisotropy variations in a fragmented subduction zone
In this paper we present a collection of good quality shear wave splitting measurements in
Southern Italy. In addition to a large amount of previous splitting measurements, we present …
Southern Italy. In addition to a large amount of previous splitting measurements, we present …
Stagnant-lid convection with diffusion and dislocation creep rheology: Influence of a non-evolving grain size
Heat transfer in one-plate planets is governed by mantle convection beneath the stagnant
lid. Newtonian diffusion creep and non-Newtonian dislocation creep are the main …
lid. Newtonian diffusion creep and non-Newtonian dislocation creep are the main …
Sub-slab mantle anisotropy beneath south-central Chile
SP Hicks, SEJ Nippress, A Rietbrock - Earth and Planetary Science Letters, 2012 - Elsevier
Knowledge of mantle flow in convergent margins is crucial to unravelling both the
contemporary geodynamics and the past evolution of subduction zones. By analysing shear …
contemporary geodynamics and the past evolution of subduction zones. By analysing shear …
Seismic anisotropy and shear wave splitting associated with mantle plume‐plate interaction
Geodynamic simulations of the development of lattice preferred orientation in the flowing
mantle are used to characterize the seismic anisotropy and shear wave splitting (SWS) …
mantle are used to characterize the seismic anisotropy and shear wave splitting (SWS) …
Prediction of anisotropy from flow models: A comparison of three methods
Observations of anisotropy in Earth are used regularly as constraints for models of
deformation, using various assumptions about the relationship between deformation and the …
deformation, using various assumptions about the relationship between deformation and the …