TERMIUM Plus®

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METASEDIMENT [1 record]

Record 1 2007-10-23

English

Subject field(s)
  • Geology
DEF

A sediment ... that shows evidence of having been subjected to metamorphism.

CONT

The bedrock consists mainly of Precambrian rocks of the Canadian Shield. There are four principal groups ...: belts of greenstones and metamorphosed sediments ...

CONT

The Marmora deposit lies within a belt of metasediments composed of crystalline limestone, amphibolite, granite-gneiss, and quartzitic gneiss which are intruded by rocks of the gabbro-anorthosite-diorite group ...

OBS

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

French

Domaine(s)
  • Géologie
DEF

Ancienne roche sédimentaire maintenant métamorphisée.

CONT

Les métasédiments se trouvent [...] traversés de dykes basiques, de dykes d'aplite et d'aires de granite à greisen entourant et passant graduellement aux filons de quartz.

CONT

Les chlorites proviennent de l'altération de minéraux ferro-magnésiens [...] ou apparaissent à l'état primaire dans les sédiments métamorphisés (chloritoschistes).

OBS

Le préfixe méta-, placé devant un nom de roche, indique que celle-ci a fait l'objet d'un métamorphisme.

OBS

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

Spanish

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