discontinuity layer

discontinuity layer
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Англо-русский сельскохозяйственный словарь. 2013.

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  • discontinuity layer — discontinuity layer, 1. the layer between the earth s crust and mantle; Mohorovicic discontinuity. 2. a layer of water between parts that differ markedly in temperature; thermocline …   Useful english dictionary

  • discontinuity layer — thermocline (the zone of rapidly changing temperature between the warm upper layer (epilimnion) and the lower cold layer (hypolimnion). Characterized by a temperature change of 1C° or more per metre) …   Dictionary of ichthyology

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

  • 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

  • marine ecosystem — Introduction       complex of living organisms in the ocean environment.       Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… …   Universalium

  • Schooner Etak — The two masted, gaff rigged auxiliary schooner Etak (later Electric Light , Vega , USS Juniata , Te Vega ; now Deva ) was designed by New York naval architects Cox Stevens in 1929 for American businessman Walter Graeme Ladd and his wife,… …   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

  • 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

  • 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


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