seismic velocity discontinuity

См. также в других словарях:

• Lehmann discontinuity — The Lehmann discontinuity, named after seismologist Inge Lehmann, is the discontinuity in seismic velocity near a depth of 220 km, which is still debated. It appears beneath continents, but not usually beneath oceans, and does not readily appear… …   Wikipedia

• Mohorovičić discontinuity — Earth cross section showing location of the Mohorovičić discontinuity …   Wikipedia

• Conrad discontinuity — The Conrad discontinuity corresponds to the sub horizontal plane that takes place in the continental crust in which the seismic wave velocity increases in discontinuous mode. This plane is observed in various continental regions in a depth of 15… …   Wikipedia

• Core–mantle boundary — See also: Post perovskite Schematic view of the interior of Earth. 1. continental crust 2. oceanic crust 3. upper mantle 4. lower mantle 5. outer core 6. inner core A: Mohorovičić discontinuity B: core–mantle boundary (Gutenberg discontinuity) C …   Wikipedia

• сейсмическая скоростная граница — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN seismic velocity discontinuity …   Справочник технического переводчика

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …   Universalium

• Structure of the Earth — Earth cutaway from core to exosphere. Left picture is not to scale. The interior structure of the Earth, similar to the outer, is layered. These layers can be defined by either their chemical or their rheological properties. The Earth has an… …   Wikipedia

• Earth exploration — Introduction   the investigation of the surface of the Earth and of its interior.  By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …   Universalium

• Mantle (geology) — For other uses, see Mantle (disambiguation). Earth cutaway from core to exosphere. The mantle is a part of a terrestrial planet or other rocky body large enough to have differentiation by density. The interior of the Earth, similar to the other… …   Wikipedia

• Moho line — The Mantle is a part of an astronomical object. Earth s mantle is a 2,900 km thick rocky shell comprising approximately 70% of Earth s volume. It is predominantly solid and overlies the Earth s iron rich core, which occupies about 30% of Earth s… …   Wikipedia