Results 31 to 40 of about 113,802 (347)
Sensitivity kernels or partial derivatives of phase velocity (c) and group velocity (U) with respect to medium parameters are useful to interpret a given set of observed surface wave velocity data.
Sankar N. Bhattacharya
doaj +1 more source
The Ability of Significant Tidal Stress to Initiate Plate Tectonics [PDF]
Plate tectonics is a geophysical process currently unique to Earth, has an important role in regulating the Earth's climate, and may be better understood by identifying rocky planets outside our solar system with tectonic activity.
Triaud, Amaury H. M. J., Zanazzi, J. J.
core +2 more sources
African cratonic lithosphere carved by mantle plumes
How cratons, the ancient cores of continents, evolved since their formation over 2.5 Ga ago is debated. Seismic tomography can map the thick lithosphere of cratons, but its resolution is low in sparsely sampled continents.
N. Celli+3 more
semanticscholar +1 more source
In this work we study the dynamics of double subduction systems with opposite polarity in adjacent segments. A combined approach of numerical and analog experiments allows us to compare results and exploit the strengths of both methodologies.
Mireia Peral+6 more
doaj +1 more source
3-D multiobservable probabilistic inversion for the compositional and thermal structure of the lithosphere and upper mantle: III. Thermochemical tomography in the Western-Central U.S. [PDF]
Acknowledgments We are indebted to F. Darbyshire and J. von Hunen for useful comments on earlier versions of this work. This manuscript benefited from thorough and constructive reviews by W. Levandowski and an anonymous reviewer.
Aoki K.+10 more
core +2 more sources
К вопросу аналитической оценки некоторых внутренних размеров Земли
С помощью модельного представления о движении ядра Земли в вязком континууме, получено его уравнение движения, и аналитически найден линейный размер барисферы.
Гладков, С.О.
doaj +1 more source
First‐ and second‐order patterns of stress in the lithosphere: The World Stress Map Project
To date, more than 7300 in situ stress orientations have been compiled as part of the World Stress Map project. Of these, over 4400 are considered reliable tectonic stress indicators, recording horizontal stress orientations to within
M. Zoback
semanticscholar +1 more source
In this paper we present the petrography and geochemistry of a recently collected lherzolite-websterite xenolith series and of clinopyroxene xenocrysts, hosted in Upper Cretaceous–Paleogene basanites of Poiana Ruscă (Romania), whose xenoliths show ...
Nédli Zsuzsanna+2 more
doaj +1 more source
Altered Mantle Fabric Beneath the Mid‐Continent Rift
We present new, densely sampled shear‐wave splitting results from southern Minnesota and adjacent areas of neighboring states, sampling the southwestern limit of the Archean Superior Province and straddling the Proterozoic Mid‐Continent Rift (MCR).
A. W. Frederiksen+4 more
doaj +1 more source
Plume‐Induced Subduction Initiation: Single‐Slab or Multi‐Slab Subduction?
Initiation of subduction following the impingement of a hot buoyant mantle plume is one of the few scenarios that allow breaking the lithosphere and recycling a stagnant lid without requiring any preexisting weak zones.
Marzieh Baes+3 more
doaj +1 more source