Thermally dominated deep mantle LLSVPs: a review

DR Davies, S Goes, HCP Lau - The Earth's Heterogeneous Mantle: A …, 2015 - Springer
The two large low shear-wave velocity provinces (LLSVPs) that dominate lower-mantle
structure may hold key information on Earth's thermal and chemical evolution. It is generally …

Advances in seismic imaging of magma and crystal mush

M Paulatto, EEE Hooft, K Chrapkiewicz… - Frontiers in Earth …, 2022 - frontiersin.org
Seismic imaging methods have provided detailed three-dimensional constraints on the
physical properties of magmatic systems leading to invaluable insight into the storage …

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 …

SP12RTS: a degree-12 model of shear-and compressional-wave velocity for Earth's mantle

P Koelemeijer, J Ritsema, A Deuss… - Geophysical Journal …, 2016 - academic.oup.com
We present the new model SP12RTS of isotropic shear-wave (VS) and compressional-wave
(VP) velocity variations in the Earth's mantle. SP12RTS is derived using the same methods …

The collaborative seismic earth model: generation 1

A Fichtner, DP van Herwaarden… - Geophysical …, 2018 - Wiley Online Library
We present a general concept for evolutionary, collaborative, multiscale inversion of
geophysical data, specifically applied to the construction of a first‐generation Collaborative …

The relationships between large‐scale variations in shear velocity, density, and compressional velocity in the Earth's mantle

P Moulik, G Ekström - Journal of Geophysical Research: Solid …, 2016 - Wiley Online Library
A large data set of surface wave phase anomalies, body wave travel times, normal‐mode
splitting functions, and long‐period waveforms is used to investigate the scaling between …

Low-frequency, long-offset elastic waveform inversion in the context of velocity model building

RÉ Plessix, T Krupovnickas - The Leading Edge, 2021 - library.seg.org
Classic imaging approaches consist of splitting the earth into background and reflectivity
models. When justified, this separation of scale is quite powerful, although this approach …

Vertically extensive magma reservoir revealed from joint inversion and quantitative interpretation of seismic and gravity data

M Paulatto, M Moorkamp, S Hautmann… - Journal of …, 2019 - Wiley Online Library
Recent advances in our understanding of arc magmatic systems indicate that melt is stored
for long periods in low‐melt fraction crystal mushes and that eruptible magma reservoirs are …

3-D crustal and uppermost mantle structure beneath NE China revealed by ambient noise adjoint tomography

Y Liu, F Niu, M Chen, W Yang - Earth and Planetary Science Letters, 2017 - Elsevier
We construct a new 3-D shear wave speed model of the crust and the uppermost mantle
beneath Northeast China using the ambient noise adjoint tomography method. Without …

Magma chamber detected beneath an arc volcano with full‐waveform inversion of active‐source seismic data

K Chrapkiewicz, M Paulatto, BA Heath… - Geochemistry …, 2022 - Wiley Online Library
Arc volcanoes are underlain by complex systems of molten‐rock reservoirs ranging from
melt‐poor mush zones to melt‐rich magma chambers. Petrological and satellite data …