TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ASSIMILATION MAGMATIQUE [2 records]

Record 1 2011-07-19

English

Subject field(s)
  • Petrography
  • Metals Mining
DEF

The incorporation ... of rocks in magma.

OBS

These terms are also applicable to ore veins.

French

Domaine(s)
  • Pétrographie
  • Mines métalliques
DEF

Incorporation dans un magma de matériaux de la roche encaissante.

CONT

Le liquide granitique chaud et léger a [...] tendance à s'injecter en diapir dans l'encaissant plus dense, en le repoussant [...] Les phénomènes de «digestion» semblent limités.

OBS

Il s'agit de la fusion partielle ou totale des roches traversées par un magma, puis du mélange des deux liquides de composition différente. Le produit de ce phénomène est un magma hybride.

OBS

On parle d'assimilation également dans le cas des filons métallifères.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Minas metálicas
Save record 1

Record 2 2001-09-11

English

Subject field(s)
  • Geology
  • Geochemistry
DEF

A process by which magma eats into its roof by engulfing relatively small isolated blocks, which presumably sink to depth where they are assimilated.

OBS

Compare with "magmatic stoping" and with "magmatic digestion" (see records).

French

Domaine(s)
  • Géologie
  • Géochimie
OBS

(par digestion des enclaves).

OBS

Le terme «assimilation magmatique» désigne un processus par lequel un magma digère des roches à son contact, peu importe leur volume ou leur position.

Spanish

Save record 2

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