Results 131 to 140 of about 338,697 (184)

Tidal tomography reveals a thermal anomaly beneath Mars's crustal dichotomy. [PDF]

Nature
Berne A, Wagner N, Matsuyama I, Goossens S, Genova A, Rovira-Navarro M, Bagheri A, Qin C, Marusiak A, Hemingway D, Lau HCP, Cheng KW, Zhong S, Nimmo F.   +13 more
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MELTING POINT IN THE EARTH'S MANTLE

MELTING POINT IN THE EARTH'S MANTLE
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Mantle flow, melting, and dehydration of the Iceland mantle plume

Earth and Planetary Science Letters, 1999
Abstract Recent studies have shown that the extraction of water from the mantle due to partial melting beneath mid-ocean ridges may increase the viscosity of the residuum by 2–3 orders of magnitude. We examine this rheological effect on mantle flow and melting of a ridge-centered mantle plume using three-dimensional numerical models. Results indicate
yang Shen, Greg Hirth, Garrett Ito
exaly   +3 more sources

Flow and melting of a heterogeneous mantle

Earth and Planetary Science Letters, 2005
Garrett Ito, John J Mahoney
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A measure of mantle melting

Science, 2017
Laboratory measurements suggest that the mantle is 60 K hotter than previously ...
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Structure of melt flow channels in the mantle

Geotectonics, 2008
Structural events during the formation of the mantle peridotite section in the Voikar-Syn’ya massif of the Polar Urals are considered. The structural units of the mantle section were formed during several deformation stages. Dunite bodies in restitic peridotites were formed in the course of deformation that completed the formation of large-scale folds ...
Savelieva, G., Sobolev, A., Batanova, V., Suslov, P., Brügmann, G.   +4 more
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Transcrystalline Melt Migration and Earth's Mantle

Science, 2006
Plate tectonics and volcanism involve the formation, migration, and interaction of magma and gas. Experiments show that melt inclusions subjected to a thermal gradient migrate through olivine crystals, under the kinetic control of crystal-melt interface mechanisms.
Pierre, Schiano, Ariel, Provost, Roberto, Clocchiatti, François, Faure   +3 more
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Melt pathways in the mantle

Nature, 1995
OCEANIC ridges are the dominant sites of energy and mass transfer from the Earth's interior to the crust, hydrosphere and atmosphere, but many key processes beneath ridges remain poorly understood. One outstanding problem is how partial melts in the asthenosphere concentrate into channels - initially, melts must leave their source by intergranular ...
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Mantle Melting Mechanisms

Science, 2007
GEOCHEMISTRY During Earth's history, heavy metals gradually decoupled from silicate rocks and sank toward the core, which became differentiated from the overlying mantle. Signatures of this process can be traced in the distribution of highly siderophile elements (Re and the platinum group elements Os, Ir, Ru, Pt, and Pd) that are chemically associated ...
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