Results 101 to 110 of about 753 (148)

Rapid shear zone weakening during subduction initiation. [PDF]

Proc Natl Acad Sci U S A
Li Y, Gurnis M.
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Rate-induced tipping in marine-based regions of the Antarctic ice sheet

Swierczek-Jereczek J, Blasco J, Robinson A, Alvarez-Solas J, Montoya M.   +4 more
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Continental slivers in oceanic transform faults controlled by rift inheritance

Balázs A, Gerya T, Tari G.
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Experimental study on rheology of deep mantle minerals

Experimental study on rheology of deep mantle minerals
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Rheology of the Upper Mantle: A Synthesis

Science, 1993
Rheological properties of the upper mantle of the Earth play an important role in the dynamics of the lithosphere and asthenosphere. However, such fundamental issues as the dominant mechanisms of flow have not been well resolved. A synthesis of laboratory studies and geophysical and geological observations shows that transitions between diffusion and ...
Karato, S-I, Wu, P
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RHEOLOGY OF PARTIALLY MOLTEN MANTLE ROCKS

Annual Review of Earth and Planetary Sciences, 1996
▪ Abstract  Over the past decade, significant progress has been made in understanding the rheological properties of partially molten mantle rocks. Laboratory experiments demonstrate that a few percent of melt can have an unexpectedly large effect on viscosity both in the diffusional creep regime and in the dislocation creep regime.
David L. Kohlstedt, Mark E. Zimmerman
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Mantle rheology, convection and rotational dynamics

Physics of the Earth and Planetary Interiors, 1993
Abstract We have examined theoretically the effects of mantle convection on Earth rotational dynamics for both viscoelastic and viscous mantles. Strategies for numerical computations are proposed. A linear Maxwell viscoelastic rheology accounting for finite deformations associated with mantle convection is considered. For both rheologies the two sets
Jiří Moser, Ctirad Matyska, David A. Yuen, Andrei V. Malevsky, Helmut Harder   +4 more
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Diffusion creep, dislocation creep, and mantle rheology

Physics of the Earth and Planetary Interiors, 1984
Abstract Viscosity-depth profiles in the Earth's mantle are estimated on the basis of microrheological equations for ultrabasic silicates, the preliminary reference Earth model (PREM), and two assumed geotherms (one with, and one without, a lower mantle upper thermal boundary layer).
G. Ranalli, B. Fischer
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Rheology of the lower mantle

Physics of the Earth and Planetary Interiors, 1981
Abstract The rheology of the lower mantle of the Earth is examined from the viewpoint of solid state physics. Recent developments in high-pressure research suggest that the lower mantle contains a considerable amount of (Mg, Fe)O with Fe/Mg + Fe = 0.2–0.3.
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On the rheology of the upper mantle

Reviews of Geophysics, 1973
Mechanisms permitting the steady state deformation of crystalline solids are critically reviewed, and an approximate constitutive relationship is derived for fluid phase transport in a partial melt. (Fluid phase transport has a linear stress dependence and an inverse squared grain size dependence.) A set of rheologic material constants for olivine ...
R. L. Stocker, M. F. Ashby
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