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- Brittle–ductile_transition_zone abstract "The brittle-ductile transition zone is the strongest part of the Earth's crust. For quartz and feldspar rich rocks in continental crust this occurs at an approximate depth of 13–18 km (roughly equivalent to temperatures in the range 250-400°C). At this depth rock becomes less likely to fracture, and more likely to deform ductilely by creep. This happens because the brittle strength of a material is increased by the confining pressure, whilst the ductile strength of a material decreases with increasing temperature. The transition zone occurs at the level in the crust where the downwards increasing brittle strength equals the upwards increasing ductile strength, giving a characteristic \"saw-tooth\" crustal strength profile. This zone is, therefore, the strongest part of the crust and the depth at which many earthquakes occur. The level of the transition zone depends on both strain rate and temperature gradient, being shallower for slow deformation and/or high heat flow and deeper for fast deformation and/or low heat flow. Crustal composition will also affect the depth at which this zone occurs.Sections of fault zones once active in the transition zone, and now exposed at the surface, typically have a complex overprinting of brittle and ductile rock types. Cataclasites or pseudotachylite breccias with mylonite clasts are common, as are ductily deformed cataclasites and pseudotachylites.".
- Brittle–ductile_transition_zone thumbnail Brittle_Ductile.png?width=300.
- Brittle–ductile_transition_zone wikiPageExternalLink v=onepage&q=comminution%20fault%20zones&f=false.
- Brittle–ductile_transition_zone wikiPageExternalLink node22.html.
- Brittle–ductile_transition_zone wikiPageID "6944639".
- Brittle–ductile_transition_zone wikiPageLength "2787".
- Brittle–ductile_transition_zone wikiPageOutDegree "19".
- Brittle–ductile_transition_zone wikiPageRevisionID "632501112".
- Brittle–ductile_transition_zone wikiPageWikiLink Berkeley_Seismological_Laboratory.
- Brittle–ductile_transition_zone wikiPageWikiLink Cataclasite.
- Brittle–ductile_transition_zone wikiPageWikiLink Category:Seismology.
- Brittle–ductile_transition_zone wikiPageWikiLink Category:Structure_of_the_Earth.
- Brittle–ductile_transition_zone wikiPageWikiLink Continental_crust.
- Brittle–ductile_transition_zone wikiPageWikiLink Creep_(deformation).
- Brittle–ductile_transition_zone wikiPageWikiLink Crust_(geology).
- Brittle–ductile_transition_zone wikiPageWikiLink Ductility.
- Brittle–ductile_transition_zone wikiPageWikiLink Feldspar.
- Brittle–ductile_transition_zone wikiPageWikiLink Fracture.
- Brittle–ductile_transition_zone wikiPageWikiLink Fracture_toughness.
- Brittle–ductile_transition_zone wikiPageWikiLink Mylonite.
- Brittle–ductile_transition_zone wikiPageWikiLink Overburden_pressure.
- Brittle–ductile_transition_zone wikiPageWikiLink Pseudotachylite.
- Brittle–ductile_transition_zone wikiPageWikiLink Quartz.
- Brittle–ductile_transition_zone wikiPageWikiLink Seismogenic_layer.
- Brittle–ductile_transition_zone wikiPageWikiLink Strain_rate.
- Brittle–ductile_transition_zone wikiPageWikiLink File:Brittle_Ductile.png.
- Brittle–ductile_transition_zone wikiPageWikiLinkText "Brittle–ductile transition zone".
- Brittle–ductile_transition_zone wikiPageUsesTemplate Template:Geophysics-stub.
- Brittle–ductile_transition_zone wikiPageUsesTemplate Template:Reflist.
- Brittle–ductile_transition_zone subject Category:Seismology.
- Brittle–ductile_transition_zone subject Category:Structure_of_the_Earth.
- Brittle–ductile_transition_zone hypernym Part.
- Brittle–ductile_transition_zone type Geophysic.
- Brittle–ductile_transition_zone comment "The brittle-ductile transition zone is the strongest part of the Earth's crust. For quartz and feldspar rich rocks in continental crust this occurs at an approximate depth of 13–18 km (roughly equivalent to temperatures in the range 250-400°C). At this depth rock becomes less likely to fracture, and more likely to deform ductilely by creep.".
- Brittle–ductile_transition_zone label "Brittle–ductile transition zone".
- Brittle–ductile_transition_zone sameAs Q4971661.
- Brittle–ductile_transition_zone sameAs m.0gy7lc.
- Brittle–ductile_transition_zone sameAs Q4971661.
- Brittle–ductile_transition_zone sameAs 脆韧转换带.
- Brittle–ductile_transition_zone wasDerivedFrom Brittle–ductile_transition_zone?oldid=632501112.
- Brittle–ductile_transition_zone depiction Brittle_Ductile.png.
- Brittle–ductile_transition_zone isPrimaryTopicOf Brittle–ductile_transition_zone.