Core–mantle boundary heat flow

T Lay, J Hernlund, BA Buffett - Nature geoscience, 2008 - nature.com
The Earth can be viewed as a massive heat engine, with various energy sources and sinks.
Insights into its evolution can be obtained by quantifying the various energy contributions in …

Constraints on subduction geodynamics from seismic anisotropy

MD Long - Reviews of Geophysics, 2013 - Wiley Online Library
Much progress has been made over the past several decades in delineating the structure of
subducting slabs, but several key aspects of their dynamics remain poorly constrained …

Thermodynamics of mantle minerals-II. Phase equilibria

L Stixrude, C Lithgow-Bertelloni - Geophysical Journal …, 2011 - academic.oup.com
We complete the development and description of a thermodynamic method for the
computation of phase equilibria and physical properties of multiphase mantle assemblages …

Ultralow velocity zone and deep mantle flow beneath the Himalayas linked to subducted slab

J Wolf, MD Long, DA Frost - Nature Geoscience, 2024 - nature.com
The origins of ultralow velocity zones, small-scale structures with extremely low seismic
velocities found near the core–mantle boundary, remain poorly understood. One hypothesis …

Shear wave splitting and mantle anisotropy: Measurements, interpretations, and new directions

MD Long, PG Silver - Surveys in Geophysics, 2009 - Springer
Measurements of the splitting or birefringence of seismic shear waves that have passed
through the Earth's mantle yield constraints on the strength and geometry of elastic …

2.16 Seismic anisotropy of the deep Earth from a mineral and rock physics perspective

D Mainprice - Treatise on geophysics, 2010 - books.google.com
In this section the contribution of CPO to seismic anisotropy in the deep Earth with cases of
olivine and the role of melt is illustrated. The CPO in rocks of upper-mantle origin is now well …

First-principles constraints on diffusion in lower-mantle minerals and a weak D′′ layer

MW Ammann, JP Brodholt, J Wookey, DP Dobson - Nature, 2010 - nature.com
Post-perovskite MgSiO3 is believed to be present in the D′′ region of the Earth's
lowermost mantle,,,. Its existence has been used to explain a number of seismic …

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 …

Efficacy of the post-perovskite phase as an explanation for lowermost-mantle seismic properties

J Wookey, S Stackhouse, JM Kendall, J Brodholt… - Nature, 2005 - nature.com
Constraining the chemical, rheological and electromagnetic properties of the lowermost
mantle (D ″) is important to understand the formation and dynamics of the Earth's mantle …

Postperovskite phase transition and its geophysical implications

K Hirose - Reviews of Geophysics, 2006 - Wiley Online Library
The stability of (Mg, Fe) SiO3 perovskite in the deep lower mantle has long been uncertain.
Recently, a phase transition from perovskite to postperovskite was discovered through a …