Search Results - "Gerya, T. V"

Dynamic slab segmentation due to brittle–ductile damage in the outer rise by Gerya, T. V., Bercovici, D., Becker, T. W.

“…Subduction is the major plate driving force, and the strength of the subducting plate controls many aspects of the thermochemical evolution of Earth. Each…”
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Plate tectonics on the Earth triggered by plume-induced subduction initiation by Gerya, T. V., Stern, R. J., Baes, M., Sobolev, S. V., Whattam, S. A.

“…High-resolution three-dimensional thermomechanical simulations of Earth's lithosphere indicate that mantle plumes could have initiated the first subduction…”
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Building cratonic keels in Precambrian plate tectonics by Perchuk, A. L., Gerya, T. V., Zakharov, V. S., Griffin, W. L.

“…The ancient cores of continents (cratons) are underlain by mantle keels—volumes of melt-depleted, mechanically resistant, buoyant and diamondiferous mantle up…”
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Geodynamic regimes of subduction under an active margin: effects of rheological weakening by fluids and melts by GERYA, T. V., MEILICK, F. I.

“…The dynamics of subduction under an active margin are analysed by using a 2D‐coupled petrological–thermomechanical numerical model of an oceanic–continental…”
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A free plate surface and weak oceanic crust produce single-sided subduction on Earth by Crameri, F., Tackley, P. J., Meilick, I., Gerya, T. V., Kaus, B. J. P.

“…Earth's lithosphere is characterized by the relative movement of almost rigid plates as part of global mantle convection. Subduction zones on present‐day Earth…”
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Subduction initiation at passive margins: Numerical modeling by Nikolaeva, K., Gerya, T. V., Marques, F. O.

“…Subduction is a key process for terrestrial plate tectonics, but its initiation is still not entirely understood. In particular, despite the abundance of both…”
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Horizontal mantle flow controls subduction dynamics by Ficini, E., Dal Zilio, L., Doglioni, C., Gerya, T. V.

“…It is generally accepted that subduction is driven by downgoing-plate negative buoyancy. Yet plate age –the main control on buoyancy– exhibits little…”
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Depletion of the upper mantle by convergent tectonics in the Early Earth by Perchuk, A. L., Gerya, T. V., Zakharov, V. S., Griffin, W. L.

“…Partial melting of mantle peridotites at spreading ridges is a continuous global process that forms the oceanic crust and refractory, positively buoyant…”
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Thermomechanical modeling of slab eduction by Duretz, T., Gerya, T. V., Kaus, B. J. P., Andersen, T. B.

“…Plate eduction is a geodynamic process characterized by normal‐sense coherent motion of previously subducted continental plate. This mechanism may occur after…”
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The seismic cycle at subduction thrusts: Insights from seismo-thermo-mechanical models by van Dinther, Y., Gerya, T. V., Dalguer, L. A., Mai, P. M., Morra, G., Giardini, D.

“…The underestimation of the size of recent megathrust earthquakes illustrates our limited understanding of their spatiotemporal occurrence and governing…”
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The role of viscous heating in Barrovian metamorphism of collisional orogens: thermomechanical models and application to the Lepontine Dome in the Central Alps by BURG, J.-P., GERYA, T. V.

“…Thermal models for Barrovian metamorphism driven by doubling the thickness of the radiogenic crust typically meet difficulty in accounting for the observed…”
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Exhumation rates of high pressure metamorphic rocks in subduction channels: The effect of Rheology by Gerya, T. V., Stöckhert, B.

“…Exhumation of high‐pressure metamorphic rocks can take place with typical plate velocities of cm/year. This is consistent with a model of forced flow in a…”
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Diffusion of divalent cations in garnet: multi-couple experiments by Perchuk, A. L., Burchard, M., Schertl, H.-P., Maresch, W. V., Gerya, T. V., Bernhardt, H.-J., Vidal, O.

“…We demonstrate the possibility of studying several diffusion couples in a single run, i.e. under almost similar P – T – t – conditions, allowing direct…”
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Plume-induced crustal convection: 3D thermomechanical model and implications for the origin of novae and coronae on Venus by Gerya, T.V.

“…Novae and coronae are large volcanotectonic features on Venus, with a contentious and possibly non-unique origin and enigmatic relationship. Their formation is…”
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Slab detachment during continental collision: Influence of crustal rheology and interaction with lithospheric delamination by Duretz, T., Gerya, T.V.

“…Collision between continents can lead to the subduction of continental material. If the crust remains coupled to the downgoing slab, a large buoyancy force is…”
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Practical analytical solutions for benchmarking of 2-D and 3-D geodynamic Stokes problems with variable viscosity by Popov, I. Yu, Lobanov, I. S, Popov, S. I, Popov, A. I, Gerya, T. V

“…Geodynamic modeling is often related with challenging computations involving solution of the Stokes and continuity equations under the condition of highly…”
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Slab detachment in laterally varying subduction zones: 3-D numerical modeling by Duretz, T., Gerya, T. V., Spakman, W.

“…Understanding the three‐dimensional (3‐D) dynamics of subduction‐collision systems is a longstanding challenge in geodynamics. We investigate the impact of…”
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A comparison of numerical surface topography calculations in geodynamic modelling: an evaluation of the ‘sticky air’ method by Crameri, F., Schmeling, H., Golabek, G. J., Duretz, T., Orendt, R., Buiter, S. J. H., May, D. A., Kaus, B. J. P., Gerya, T. V., Tackley, P. J.

“…SUMMARY Calculating surface topography in geodynamic models is a common numerical problem. Besides other approaches, the so‐called ‘sticky air’ approach has…”
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Thermomechanical Modeling of the Formation of a Multilevel, Crustal‐Scale Magmatic System by the Yellowstone Plume by Colón, D. P., Bindeman, I. N., Gerya, T. V.

“…Geophysical imaging of the Yellowstone supervolcano shows a broad zone of partial melt interrupted by an amagmatic gap at depths of 15–20 km. We reproduce this…”
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Delamination in collisional orogens: Thermomechanical modeling by Ueda, K., Gerya, T. V., Burg, J.-P.

“…Modes of mantle delamination in collision zones are discussed in the light of 2D numerical modeling. Freely evolving thermomechanical models take into account…”
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