Journal ArticleDOI
Grain size assisted thermal runaway as a nucleation mechanism for continental mantle earthquakes: Impact of complex rheologies
Reads0
Chats0
TLDR
In this paper, the authors investigate the impact of complex composite rheologies on grain size assisted thermal runaway using numerical models and show that diffusion creep, dislocation accommodated grain boundary sliding and low-temperature plasticity do have a significant impact on the deformation of mantle rocks under lithospheric conditions.About:
This article is published in Tectonophysics.The article was published on 2017-09-01. It has received 32 citations till now. The article focuses on the topics: Grain Boundary Sliding & Diffusion creep.read more
Citations
More filters
Journal ArticleDOI
The dependence of planetary tectonics on mantle thermal state: applications to early Earth evolution.
TL;DR: The importance of understanding the microphysics of plate boundary formation for assessing early Earth tectonics is highlighted, as different plate Boundary formation mechanisms are influenced by mantle thermal state in fundamentally different ways.
The cause of decreased pan evaporation over the past 50 years
TL;DR: It is shown that the decrease in evaporation is consistent with what one would expect from the observed large and widespread decreases in sunlight resulting from increasing cloud coverage and aerosol concentration.
Journal ArticleDOI
Seismicity and mineral destabilizations in the subducting mantle up to 6 GPa, 200 km depth
TL;DR: A series of P-T diagrams summarizes the stability limit of minerals that may be part of natural peridotites or serpentinites with variable compositions at pressures from 0.5 to 6 GPa and temperatures from 200 to 950°C, and compares it with seismicity as discussed by the authors.
Journal ArticleDOI
Slab Transport of Fluids to Deep Focus Earthquake Depths—Thermal Modeling Constraints and Evidence From Diamonds
Journal ArticleDOI
Quantifying magnitudes of shear heating in metamorphic systems
Calvin A. Mako,Mark J. Caddick +1 more
TL;DR: In this article, a simple one-dimensional thermal model is used to calculate magnitudes of shear heating in ductile shear zones based primarily on quartz flow laws, with consideration of additional models for wet feldspar and biotite.
References
More filters
Journal ArticleDOI
Friction of Rocks
TL;DR: This paper showed that at low normal stress the shear stress required to slide one rock over another varies widely between experiments and at high normal stress that effect is diminished and the friction is nearly independent of rock type.
Book ChapterDOI
Rheology of the Upper Mantle and the Mantle Wedge: A View from the Experimentalists
Greg Hirth,David L. Kohlstedt +1 more
TL;DR: In this paper, the authors provide a critical review of flow law parameters for olivine aggregates and single crystals deformed in the diffusion creep and dislocation creep regimes under both wet and dry conditions.
Journal ArticleDOI
The cause of decreased pan evaporation over the past 50 years.
TL;DR: In this article, the authors show that the decrease in evaporation is consistent with what one would expect from the observed large and widespread decreases in sunlight resulting from increasing cloud coverage and aerosol concentration.
Journal ArticleDOI
Rheology of the Lower Crust and Upper Mantle: Evidence from Rock Mechanics, Geodesy, and Field Observations
Roland Bürgmann,Georg Dresen +1 more
TL;DR: In this article, the authors show that deformation mechanisms and rheology strongly vary as a function of stress, grain size, and fluids in the Earth's crust and upper mantle.
Journal ArticleDOI
Subduction factory 2. Are intermediate-depth earthquakes in subducting slabs linked to metamorphic dehydration reactions?
TL;DR: In this paper, the authors used thermal-petrologic models of subduction zones to test the hypothesis that intermediate-depth intraslab earthquakes are linked to metamorphic dehydration reactions in the subducting oceanic crust and mantle.
Related Papers (5)
A periodic shear-heating mechanism for intermediate-depth earthquakes in the mantle
Peter B. Kelemen,Greg Hirth +1 more