Advances in map** lowermost mantle convective flow with seismic anisotropy observations

J Wolf, M Li, MD Long, E Garnero - Reviews of Geophysics, 2024 - Wiley Online Library
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 …

Dynamics and evolution of the deep mantle resulting from thermal, chemical, phase and melting effects

PJ Tackley - Earth-Science Reviews, 2012 - Elsevier
The core–mantle boundary (CMB)–the interface between the silicate mantle and liquid iron
alloy outer core–is the most important boundary inside our planet, with processes occurring …

Lowermost mantle structure beneath the central Pacific Ocean: Ultralow velocity zones and seismic anisotropy

J Wolf, MD Long - Geochemistry, Geophysics, Geosystems, 2023 - Wiley Online Library
Ultralow velocity zones (ULVZs) and seismic anisotropy are both commonly detected in the
lowermost mantle at the edges of the two antipodal large low velocity provinces (LLVPs) …

The influence of pressure-dependent viscosity on the thermal evolution of super-Earths

V Stamenković, L Noack, D Breuer… - The Astrophysical …, 2012 - iopscience.iop.org
We study the thermal evolution of super-Earths with a one-dimensional (1D) parameterized
convection model that has been adopted to account for a strong pressure dependence of the …

Seismic and mineralogical structures of the lower mantle from probabilistic tomography

I Mosca, L Cobden, A Deuss, J Ritsema… - … Research: Solid Earth, 2012 - Wiley Online Library
One of the most powerful approaches for understanding the 3‐D thermo‐chemical structure
of the lower mantle is to link tomographic models with mineral physics data. This is not …

Thermal and transport properties of mantle rock at high pressure: applications to super-Earths

V Stamenković, D Breuer, T Spohn - Icarus, 2011 - Elsevier
In the present study, the temperature-and pressure-dependent transport and thermal
properties, ie, viscosity, phonon thermal conductivity, thermal expansivity and heat …

[PDF][PDF] 7.11: The core–mantle boundary region

J Hernlund, A McNamara, G Schubert - Treatise on geophysics, 2015 - researchgate.net
The Earth was formed by the accretion of both differentiated and undifferentiated parent
bodies, and the large density difference between metallic and ionic components gave rise to …

On the theory of core-mantle coupling

PH Roberts, JM Aurnou - Geophysical & Astrophysical Fluid …, 2012 - Taylor & Francis
This article commences by surveying the basic dynamics of Earth's core and their impact on
various mechanisms of core-mantle coupling. The physics governing core convection and …

Ab initio Lattice Thermal Conductivity of Perovskite as Found in Earth's Lower Mantle

H Dekura, T Tsuchiya, J Tsuchiya - Physical Review Letters, 2013 - APS
The lattice thermal conductivity (κ lat) of MgSiO 3 perovskite (Mg-Pv) under high-pressure
and high-temperature conditions was computed based on the ab initio anharmonic lattice …

A common diffusional mechanism for creep and grain growth in polymineralic rocks: application to lower mantle viscosity estimates

A Okamoto, T Hiraga - Journal of Geophysical Research: Solid …, 2024 - Wiley Online Library
In a previous study (Okamoto & Hiraga, 2022, https://doi. org/10.1029/2022jb024638), we
concluded that diffusion creep and grain growth in polymineralic rocks proceed by a …