Results 251 to 260 of about 36,116 (299)
Melt extraction in the Earth's mantle: Constraints from U–Th–Pa–Ra studies in oceanic basalts
Earth and Planetary Science Letters, 2006 International audienceU-series studies in oceanic basalts are critical for understanding melting and melt extraction in the Earth's mantle. The combined results of a detailed geochemical study of melting and melt extraction at Theistareykir, northern ...
Andreas Stracke +2 more
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Multiphase rheology as a cause for stick-slip like melt extraction
Earth and Planetary Science Letters, 2022 International audienceWhen partial melting is parametrized in numerical thermo-mechanical models in a straightforward manner, it directly relates to variations in temperature.
Jean-Louis Vigneresse +1 more
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The role of H2O on the extraction of melt from crystallising magmas
Earth and Planetary Science Letters, 2019 The segregation and accumulation of felsic melts, from crystallising crustal magma reservoirs, is essential for the chemical evolution of the crust and is a phenomenon preceding some of the largest eruptions on Earth.
Eva Hartung +2 more
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Garnet coalescence clogs melt extraction channels in migmatite
LithosHere we investigate the evolution of a focused melt extraction horizon exposed in lower crustal metapelites of the Serre Massif in Calabria (southern Variscan belt, Italy) and consider the effect of melt drainage on the rheology of the orogenic lower ...
Vincenzo Festa +2 more
exaly +2 more sources
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Cumulate formation and melt extraction from mushy reservoirs: the "melt flush" model
2022<p>Volcanism is the surface expression of extensive magmatic systems, with their intrusive counterpart representing ~80% of the total magma budget. Our knowledge of igneous processes therefore largely relies on our understanding of deep plutonic processes.
Marine Boulanger, Lydéric France
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Underplating and Partial Melting: Implications for Melt Generation and Extraction
Science, 1989The quantitative assessment of underplating and concomitant partial melting of continental crust requires the use of geologically reasonable melt fraction distributions as a function of temperature. Conductive modeling indicates that simple underplating of metapelite by basalt can yield magma bodies with melt fractions above the rheological limit of ...
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2017
Amorphous microwires as a new category of advanced materials possess many excellent mechanical and magnetic properties, and have received considerable attention from both the research and industry community. Significant efforts have been devoted to the optimization of fabrication process, tailoring of mechanical and magnetic properties, sensor and ...
H. Wang +3 more
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Amorphous microwires as a new category of advanced materials possess many excellent mechanical and magnetic properties, and have received considerable attention from both the research and industry community. Significant efforts have been devoted to the optimization of fabrication process, tailoring of mechanical and magnetic properties, sensor and ...
H. Wang +3 more
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Fine fibres by melt extraction
Materials Science and Engineering: A, 1994Abstract Methods for manufacturing fine fibres of metals and ceramics below 20 μm diameter are described. Some analysis of the fabrication process is given as well as a description of properties of the fibres. A brief account is also given of selected applications of the materials.
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IEEE Transactions on Magnetics, 1980
Crystallographically isotropic fibers of ferromagnetic τ-phase in the Mn-Al and Mn-Al-C alloy systems have been prepared by rapid quenching from the liquid state by melt extraction and subsequent heat treatment. The permanent magnet parameters for the fibers are greatly improved as compared to the values previously reported for isotropic alloys.
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Crystallographically isotropic fibers of ferromagnetic τ-phase in the Mn-Al and Mn-Al-C alloy systems have been prepared by rapid quenching from the liquid state by melt extraction and subsequent heat treatment. The permanent magnet parameters for the fibers are greatly improved as compared to the values previously reported for isotropic alloys.
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Depths of Melting and Melt Extraction Beneath Mid-Ocean Ridges as Recorded in Melt Inclusions
Mineralogical Magazine, 1994Recent studies have shown that chemical compositions of primitive melt inclusions in olivine and plagioclase phenocrysts in mid-ocean ridge basalts (MORB) carry important information of process of melting and melt extraction beneath mid-ocean ridges (e.g., Sobolev and Shimizu, 1993).
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