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OCEANIC LITHOSPHERE [1 record]

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Record 1 2011-08-02

English

Subject field(s)
  • Plate Tectonics
DEF

The solid outer zone of the Earth, covered by seawater, and comprised of the [oceanic] crust and the upper layer of the mantle.

CONT

There are two basic types of lithosphere: continental and oceanic. Continental lithosphere has a low density because it is made of relatively light-weight minerals. Oceanic lithosphere is denser than continental lithosphere because it is composed of heavier minerals. A plate may be made up entirely of oceanic or continental lithosphere, but most are partly oceanic and partly continental.

OBS

oceanic lithosphere: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Tectonique des plaques
DEF

[...] ensemble formé par la croûte océanique et le manteau lithosphérique sous-jacent.

CONT

La lithosphère continentale et océanique possèdent évidemment des croûtes différentes, tant en composition (basaltique pour la croûte océanique et granodioritique pour la croûte continentale) qu'en épaisseur [...]

OBS

lithosphère océanique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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