A review of large low shear velocity provinces and ultra low velocity zones

AK McNamara - Tectonophysics, 2019 - Elsevier
Seismic tomography reveals 2 extensive regions in the lowermost mantle, beneath Africa
and the Pacific, that exhibit lower-than-average seismic wave speeds. These regions have …

[HTML][HTML] Geological, geophysical and plate kinematic constraints for models of the India-Asia collision and the post-Triassic central Tethys oceans

AJ Parsons, K Hosseini, RM Palin, K Sigloch - Earth-Science Reviews, 2020 - Elsevier
In this study, we integrate bedrock datasets, observations of subducted slabs in the mantle,
and plate kinematic constraints to constrain models for the India-Asia collision and the …

S40RTS: a degree-40 shear-velocity model for the mantle from new Rayleigh wave dispersion, teleseismic traveltime and normal-mode splitting function …

J Ritsema, A Deuss, HJ Van Heijst… - Geophysical Journal …, 2011 - academic.oup.com
We have developed model S40RTS of shear-velocity variation in Earth's mantle using a new
collection of Rayleigh wave phase velocity, teleseismic body-wave traveltime and normal …

High accuracy mantle convection simulation through modern numerical methods–II: realistic models and problems

T Heister, J Dannberg, R Gassmöller… - Geophysical Journal …, 2017 - academic.oup.com
Computations have helped elucidate the dynamics of Earth's mantle for several decades
already. The numerical methods that underlie these simulations have greatly evolved within …

SubMachine: Web‐based tools for exploring seismic tomography and other models of Earth's deep interior

K Hosseini, KJ Matthews, K Sigloch… - Geochemistry …, 2018 - Wiley Online Library
We present SubMachine, a collection of web‐based tools for the interactive visualization,
analysis, and quantitative comparison of global‐scale data sets of the Earth's interior …

Savani: A variable resolution whole‐mantle model of anisotropic shear velocity variations based on multiple data sets

L Auer, L Boschi, TW Becker… - Journal of …, 2014 - Wiley Online Library
We present a tomographic model of radially anisotropic shear velocity variations in the
Earth's mantle based on a new compilation of previously published data sets and a variable …

Reconciling dynamic and seismic models of Earth's lower mantle: The dominant role of thermal heterogeneity

DR Davies, S Goes, JH Davies, BSA Schuberth… - Earth and Planetary …, 2012 - Elsevier
Two large low-shear-velocity provinces (LLSVPs) in the deep mantle beneath Africa and the
Pacific are generally interpreted as hot but chemically dense 'piles', which have remained …

A model for the evolution of the Earth's mantle structure since the Early Paleozoic

N Zhang, S Zhong, W Leng, ZX Li - Journal of Geophysical …, 2010 - Wiley Online Library
Seismic tomography studies indicate that the Earth's mantle structure is characterized by
African and Pacific seismically slow velocity anomalies (ie, superplumes) and circum‐Pacific …

Tomographic filtering of high‐resolution mantle circulation models: Can seismic heterogeneity be explained by temperature alone?

BSA Schuberth, HP Bunge… - Geochemistry, Geophysics …, 2009 - Wiley Online Library
High‐resolution mantle circulation models (MCMs) together with thermodynamic
mineralogical models make it possible to construct 3‐D elastic mantle heterogeneity based …

On the consistency of seismically imaged lower mantle slabs

GE Shephard, KJ Matthews, K Hosseini, M Domeier - Scientific reports, 2017 - nature.com
The geoscience community is increasingly utilizing seismic tomography to interpret mantle
heterogeneity and its links to past tectonic and geodynamic processes. To assess the …