Mid mantle seismic anisotropy around subduction zones

M Faccenda - Physics of the Earth and Planetary Interiors, 2014 - Elsevier
There is increasing evidence for mid mantle seismic anisotropy around subduction zones
whose interpretation remains elusive. In this study I estimate the strain-induced mid mantle …

Western US seismic anisotropy revealing complex mantle dynamics

Q Zhou, J Hu, L Liu, T Chaparro, DR Stegman… - Earth and Planetary …, 2018 - Elsevier
The origin of the complex pattern of SKS splitting over the western United States (US)
remains a long-lasting debate, where a model that simultaneously matches the various SKS …

Source-side shear wave splitting and upper mantle flow in the Chile Ridge subduction region

RM Russo, A Gallego, D Comte, VI Mocanu… - …, 2010 - pubs.geoscienceworld.org
Abstract The actively spreading Chile Ridge has been subducting beneath Patagonian
Chile since the Middle Miocene. After subduction, continued separation of the faster Nazca …

Imaging upper mantle anisotropy with teleseismic P-wave delays: insights from tomographic reconstructions of subduction simulations

BP VanderBeek, M Faccenda - Geophysical Journal …, 2021 - academic.oup.com
Despite the well-established anisotropic nature of Earth's upper mantle, the influence of
elastic anisotropy on teleseismic P-wave imaging remains largely ignored. Unmodelled …

[HTML][HTML] On constraining 3D seismic anisotropy in subduction, mid-ocean-ridge, and plume environments with teleseismic body wave data

M Faccenda, BP VanderBeek - Journal of Geodynamics, 2023 - Elsevier
Conventional seismic tomography studies consider the Earth's interior as mechanically
isotropic, despite seismic anisotropy being widely observed. This current standard approach …

Numerical simulation of 3-D mantle flow evolution in subduction zone environments in relation to seismic anisotropy beneath the eastern Mediterranean region

JM Confal, M Faccenda, T Eken, T Taymaz - Earth and Planetary Science …, 2018 - Elsevier
Seismic anisotropy is a key parameter in understanding subduction zone dynamics in
relation to the recent deformation history. It is usually controlled by the mantle flow patterns …

Representing anisotropic subduction zones with isotropic velocity models: A characterization of the problem and some steps on a possible path forward

MJ Bezada, M Faccenda… - Geochemistry, Geophysics …, 2016 - Wiley Online Library
Despite the widely known fact that mantle flow in and around subduction zones produces
the development of considerable seismic anisotropy, most P‐wave tomography efforts still …

Subduction‐induced mantle flow, finite strain, and seismic anisotropy: Numerical modeling

ZH Li, JF Di Leo, NM Ribe - Journal of Geophysical Research …, 2014 - Wiley Online Library
Surface measurements of shear wave splitting patterns are widely used to infer the mantle
circulation around subducting slabs; however, the relation between mantle flow and seismic …

Micromechanical modeling of the viscoplastic behavior of olivine

O Castelnau, DK Blackman… - Journal of …, 2008 - Wiley Online Library
Efforts to couple mantle flow models with rheological theories of mineral deformation
typically ignore the effect of texture development on flow evolution. The fact that there are …

Asthenospheric flow channel from northeastern Tibet imaged by seismic tomography between Ordos block and Yangtze craton

Y Yu, YJ Chen, Y Feng, M An, X Liang… - Geophysical …, 2021 - Wiley Online Library
The collision between India and Eurasia forming the Tibetan Plateau since the early
Cenozoic had led to the crustal and upper‐mantle (asthenospheric) extrusion from the …