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- Mantle_convection abstract "Mantle convection is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface. The Earth's surface lithosphere, which rides atop the asthenosphere (the two components of the upper mantle), is divided into a number of plates that are continuously being created and consumed at their opposite plate boundaries. Accretion occurs as mantle is added to the growing edges of a plate, associated with seafloor spreading. This hot added material cools down by conduction and convection of heat. At the consumption edges of the plate, the material has thermally contracted to become dense, and it sinks under its own weight in the process of subduction usually at an ocean trench.This subducted material sinks to a depth of 660 kilometres (410 mi) in the Earth's interior where it is impeded from sinking further, possibly due to a phase change from spinel to silicate perovskite and magnesiowustite, an endothermic reaction.The subducted oceanic crust triggers volcanism, although the basic mechanisms are varied. Volcanism may occur due to processes that add buoyancy to partially melted mantle causing an upward flow due to a decrease in density of the partial melt.Secondary forms of convection that may result in surface volcanism are postulated to occur as a consequence of intraplate extension and mantle plumes.It is because the mantle can convect that the tectonic plates are able to move around the Earth's surface.Mantle convection seems to have been much more active during the Hadean period, resulting in gravitational sorting of heavier molten iron, and nickel elements and sulphides in the core, and lighter silicate minerals in the mantle.".
- Mantle_convection thumbnail Earth-crust-cutaway-numbered.svg?width=300.
- Mantle_convection wikiPageID "7604906".
- Mantle_convection wikiPageLength "8246".
- Mantle_convection wikiPageOutDegree "40".
- Mantle_convection wikiPageRevisionID "680182446".
- Mantle_convection wikiPageWikiLink Asthenosphere.
- Mantle_convection wikiPageWikiLink Category:Convection.
- Mantle_convection wikiPageWikiLink Category:Geodynamics.
- Mantle_convection wikiPageWikiLink Category:Plate_tectonics.
- Mantle_convection wikiPageWikiLink Convection.
- Mantle_convection wikiPageWikiLink Earths_internal_heat_budget.
- Mantle_convection wikiPageWikiLink Endothermic_process.
- Mantle_convection wikiPageWikiLink Endothermic_reaction.
- Mantle_convection wikiPageWikiLink Ferropericlase.
- Mantle_convection wikiPageWikiLink Geodynamics.
- Mantle_convection wikiPageWikiLink Hadean.
- Mantle_convection wikiPageWikiLink Heat_conduction.
- Mantle_convection wikiPageWikiLink Heat_convection.
- Mantle_convection wikiPageWikiLink Iron.
- Mantle_convection wikiPageWikiLink Lithosphere.
- Mantle_convection wikiPageWikiLink Mantle_(geology).
- Mantle_convection wikiPageWikiLink Mantle_plume.
- Mantle_convection wikiPageWikiLink Mid-ocean_ridge.
- Mantle_convection wikiPageWikiLink Mid_ocean_ridge.
- Mantle_convection wikiPageWikiLink Nickel.
- Mantle_convection wikiPageWikiLink Ocean_trench.
- Mantle_convection wikiPageWikiLink Oceanic_trench.
- Mantle_convection wikiPageWikiLink Plate_boundaries.
- Mantle_convection wikiPageWikiLink Plate_tectonics.
- Mantle_convection wikiPageWikiLink Seafloor_spreading.
- Mantle_convection wikiPageWikiLink Silicate_minerals.
- Mantle_convection wikiPageWikiLink Silicate_perovskite.
- Mantle_convection wikiPageWikiLink Spinel.
- Mantle_convection wikiPageWikiLink Subduction.
- Mantle_convection wikiPageWikiLink Sulfide.
- Mantle_convection wikiPageWikiLink Sulphide.
- Mantle_convection wikiPageWikiLink Tectonic_plates.
- Mantle_convection wikiPageWikiLink Thermal_conduction.
- Mantle_convection wikiPageWikiLink Upper_mantle.
- Mantle_convection wikiPageWikiLink Volcano.
- Mantle_convection wikiPageWikiLink File:Accretion-Subduction.PNG.
- Mantle_convection wikiPageWikiLink File:Earth-crust-cutaway-numbered.svg.
- Mantle_convection wikiPageWikiLink File:Earth_temperature.PNG.
- Mantle_convection wikiPageWikiLink File:Lower_Mantle_Superplume.PNG.
- Mantle_convection wikiPageWikiLink File:Oceanic_spreading.svg.
- Mantle_convection wikiPageWikiLinkText "Mantle Convection".
- Mantle_convection wikiPageWikiLinkText "Mantle convection".
- Mantle_convection wikiPageWikiLinkText "convecting mantle".
- Mantle_convection wikiPageWikiLinkText "convecting".
- Mantle_convection wikiPageWikiLinkText "convection of the mantle".
- Mantle_convection wikiPageWikiLinkText "convection".
- Mantle_convection wikiPageWikiLinkText "convective mixing".
- Mantle_convection wikiPageWikiLinkText "mantle convecting".
- Mantle_convection wikiPageWikiLinkText "mantle convection".
- Mantle_convection wikiPageWikiLinkText "mantle convects".
- Mantle_convection wikiPageWikiLinkText "mantle dynamics".
- Mantle_convection hasPhotoCollection Mantle_convection.
- Mantle_convection wikiPageUsesTemplate Template:Convert.
- Mantle_convection wikiPageUsesTemplate Template:Geophysics_navbox.
- Mantle_convection wikiPageUsesTemplate Template:Reflist.
- Mantle_convection wikiPageUsesTemplate Template:See_also.
- Mantle_convection wikiPageUsesTemplate Template:Stack.
- Mantle_convection subject Category:Convection.
- Mantle_convection subject Category:Geodynamics.
- Mantle_convection subject Category:Plate_tectonics.
- Mantle_convection hypernym Motion.
- Mantle_convection type Work.
- Mantle_convection type Dynamic.
- Mantle_convection type Geophysic.
- Mantle_convection type Thing.
- Mantle_convection comment "Mantle convection is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface. The Earth's surface lithosphere, which rides atop the asthenosphere (the two components of the upper mantle), is divided into a number of plates that are continuously being created and consumed at their opposite plate boundaries.".
- Mantle_convection label "Mantle convection".
- Mantle_convection seeAlso Heat_transfer.
- Mantle_convection sameAs حمل_حراري_للدثار.
- Mantle_convection sameAs Mantelkonvektion.
- Mantle_convection sameAs Convection_mantellique.
- Mantle_convection sameAs Comhiompar_i_screamh_an_Domhain.
- Mantle_convection sameAs זרמי_הערבול_(גאולוגיה).
- Mantle_convection sameAs マントル対流説.
- Mantle_convection sameAs 맨틀_대류설.
- Mantle_convection sameAs Mantelconvectie.
- Mantle_convection sameAs Konwekcja_w_płaszczu_Ziemi.
- Mantle_convection sameAs Convecção_mantélica.
- Mantle_convection sameAs m.0266k5p.
- Mantle_convection sameAs Đối_lưu_manti.
- Mantle_convection sameAs Q120005.
- Mantle_convection sameAs Q120005.
- Mantle_convection wasDerivedFrom Mantle_convection?oldid=680182446.
- Mantle_convection depiction Earth-crust-cutaway-numbered.svg.
- Mantle_convection isPrimaryTopicOf Mantle_convection.