TERMIUM Plus®

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ICE-THRUST RIDGE [1 record]

Record 1 2010-12-20

English

Subject field(s)
  • Glaciology
  • Geomorphology and Geomorphogeny
DEF

An asymmetric ridge of local, essentially nonglacial material or formerly deposited glacial material (such as deformed bedrock with some older and newly formed drift incorporated in it) that has been pressed up by the shearing action of a moving glacier.

OBS

ice-thrust ridge: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Glaciologie
  • Géomorphologie et géomorphogénie
DEF

Crête dissymétrique constituée essentiellement de matériaux non glaciaires autochtones (p. ex. substratum déformé contenant une fraction de sédiments glaciaires) qui ont été poussés vers le haut à la suite du cisaillement produit par le glacier en mouvement.

OBS

Signalons [...] qu'en français et en anglais, on utilise indifféremment glacitectonique («glacitectonic») et glaciotectonique («glaciotectonic»). Quoi qu'en pensent certains chercheurs, l'un ou l'autre terme est aussi valable.

Key term(s)
  • crête glaciotectonique

Spanish

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