Mantle dynamics and seismic anisotropy
Observations of seismic anisotropy yield some of the most direct constraints available on
both past and present-day deformation in the Earth's mantle. Insight into the character of …
both past and present-day deformation in the Earth's mantle. Insight into the character of …
Seismic anisotropy in the boundary layers of the mantle
JM Kendall - Geophysical Monograph Series, 2000 - ui.adsabs.harvard.edu
This chapter discusses seismic anisotropy in the mantle, highlighting mechanisms,
observations and interpretations. Although evidence of anisotropy in the Earth is now …
observations and interpretations. Although evidence of anisotropy in the Earth is now …
Global mantle flow and the development of seismic anisotropy: Differences between the oceanic and continental upper mantle
Viscous shear in the asthenosphere accommodates relative motion between Earth's surface
plates and underlying mantle, generating lattice‐preferred orientation (LPO) in olivine …
plates and underlying mantle, generating lattice‐preferred orientation (LPO) in olivine …
Where can seismic anisotropy be detected in the Earth's mantle? In boundary layers…
JP Montagner - Geodynamics of Lithosphere & Earth's Mantle: Seismic …, 1998 - Springer
During the last 30 years, considerable evidence of seismic anisotropy has accumulated
demonstrating that it is present at all scales, but not in all depth ranges. We detail which …
demonstrating that it is present at all scales, but not in all depth ranges. We detail which …
Comparison of azimuthal seismic anisotropy from surface waves and finite strain from global mantle-circulation models
We present global models of strain accumulation in mantle flow to compare the predicted
finite-strain ellipsoid (FSE) orientations with observed seismic anisotropy. The geographic …
finite-strain ellipsoid (FSE) orientations with observed seismic anisotropy. The geographic …
Deep Earth structure-lower mantle and D ″
T Lay - Seismology and the Structure of the Earth, 2007 - ui.adsabs.harvard.edu
The thick layer of rock extending from the base of the transition zone near 650-800 km depth
down to the core-mantle boundary at a depth of 2891 km comprises most of Earth's volume …
down to the core-mantle boundary at a depth of 2891 km comprises most of Earth's volume …
Radial seismic anisotropy as a constraint for upper mantle rheology
Seismic shear waves that are polarized horizontally (SH) generally travel faster in the upper
mantle than those that are polarized vertically (SV), and deformation of rocks under …
mantle than those that are polarized vertically (SV), and deformation of rocks under …
Seismic anisotropy changes across upper mantle phase transitions
The mantle transition zone is believed to play an important role in the thermochemical
evolution of our planet and in its deep water cycle. Constraining mantle flow at these depths …
evolution of our planet and in its deep water cycle. Constraining mantle flow at these depths …
[HTML][HTML] 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 …
through the Earth's mantle yield constraints on the strength and geometry of elastic …
Constraints on lithosphere net rotation and asthenospheric viscosity from global mantle flow models and seismic anisotropy
Although an average westward rotation of the Earth's lithosphere is indicated by global
analyses of surface features tied to the deep mantle (eg, hot spot tracks), the rate of …
analyses of surface features tied to the deep mantle (eg, hot spot tracks), the rate of …