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UNDERPLATING [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 2009-05-01

English

Subject field(s)
  • Geochemistry
CONT

Underplating occurs when material is added to the base of the crust in a subduction zone or at a hotspot.

CONT

These [tectonic deformations] are coupled with intrusion of deep-seated alkali-rich melts, possibly mantle-derived, with or without underplating and delamination ...

OBS

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

French

Domaine(s)
  • Géochimie
DEF

Accumulation à la base de la croûte continentale de magmas basaltiques issus du manteau supérieur.

CONT

À ces déformations [tectoniques] s'ajoutent l'intrusion en profondeur de magmas riches en alcalis peut-être d'origine mantellique, qui s'accompagne ou non d'un apport de matériaux à la base de la croûte (sous-placage) ou d'une délamination [...]

OBS

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

Spanish

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