TERMIUM Plus®

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CUMULAT [1 record]

Record 1 2003-10-27

English

Subject field(s)
  • Petrography
DEF

An igneous rock formed by the accumulation of crystals that settle out from a magma by the action of gravity.

CONT

The chromatites are igneous cumulates, and their formation is a special case of the larger problem of the origin of layered igneous rocks.

French

Domaine(s)
  • Pétrographie
DEF

Roche magmatique grenue, formée de l'accumulation et de la cimentation de cristaux denses automorphes au sein d'un magma, lors de la cristallisation fractionnée.

CONT

[...] les roches sont des cumulats ou accumulation de cristaux déposés après une chute plus ou moins grande.

CONT

Les gisements sont localisés dans un ensemble de 1,5 km environ d'épaisseur de la zone dunite-harzburgite, ensemble limité vers le haut par les premiers «cumulats» et gabbros [...]

Spanish

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