Advances in mapping lowermost mantle convective flow with seismic anisotropy observations
Convective flow in the deep mantle controls Earth's dynamic evolution, influences plate
tectonics, and has shaped Earth's current surface features. Present and past convection …
tectonics, and has shaped Earth's current surface features. Present and past convection …
Subducted slabs stagnant above, penetrating through, and trapped below the 660 km discontinuity
Y Fukao, M Obayashi - Journal of Geophysical Research: Solid …, 2013 - Wiley Online Library
A new P wave tomographic model of the mantle was constructed using more than 10 million
travel times. The finite‐frequency effect of seismic rays was taken into account by calculating …
travel times. The finite‐frequency effect of seismic rays was taken into account by calculating …
Melting of iron at Earth's inner core boundary based on fast X-ray diffraction
Earth's core is structured in a solid inner core, mainly composed of iron, and a liquid outer
core. The temperature at the inner core boundary is expected to be close to the melting point …
core. The temperature at the inner core boundary is expected to be close to the melting point …
Structure, materials and processes in the Earth's core and mantle
This paper reviews current knowledge about the Earth's core and the overlying deep mantle
in terms of structure, chemical and mineralogical compositions, physical properties, and …
in terms of structure, chemical and mineralogical compositions, physical properties, and …
The chemical composition of the Earth: Enstatite chondrite models
We propose a new model of Earth's bulk composition based on enstatite chondrites (E-
chondrites), the only chondrite group isotopically identical to the Earth. This model allows a …
chondrites), the only chondrite group isotopically identical to the Earth. This model allows a …
Deep mantle structure as a reference frame for movements in and on the Earth
TH Torsvik, R van der Voo… - Proceedings of the …, 2014 - National Acad Sciences
Earth's residual geoid is dominated by a degree-2 mode, with elevated regions above large
low shear-wave velocity provinces on the core–mantle boundary beneath Africa and the …
low shear-wave velocity provinces on the core–mantle boundary beneath Africa and the …
Reconciling dynamic and seismic models of Earth's lower mantle: The dominant role of thermal heterogeneity
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 …
Pacific are generally interpreted as hot but chemically dense 'piles', which have remained …
Joint seismic, geodynamic and mineral physical constraints on three-dimensional mantle heterogeneity: Implications for the relative importance of thermal versus …
The joint interpretation of seismic and geodynamic data requires mineral physical
parameters linking seismic velocity to density perturbations in the Earth's mantle. The most …
parameters linking seismic velocity to density perturbations in the Earth's mantle. The most …
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 …
mineralogical models make it possible to construct 3‐D elastic mantle heterogeneity based …
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 …
splitting functions, and long‐period waveforms is used to investigate the scaling between …