TERMIUM Plus®

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

upward migration [1 record]

Record 1 2004-04-21

English

Subject field(s)
  • Geochemistry
  • Metals Mining
DEF

... the vertical ascending motion of metal-bearing solutions.

CONT

In some deposits, ... mineralization results from the upward migration of postmagmatic fluids rich in F and CO2 ...

OBS

Migration continues until the liquid reaches the surface and begins seepage or until it reaches a layer of impervious rock and is trapped.

OBS

As opposed to "downward movement."

French

Domaine(s)
  • Géochimie
  • Mines métalliques
DEF

Déplacement vertical vers le haut, en particulier des solutions métallifères.

CONT

L'accumulation dans les roches-magasins s'est faite à la suite d'une migration ascendante.

CONT

Du plomb et du zinc en teneurs très faibles dans des marnes peuvent se déplacer dans des fractures et se déposer dans des calcaires sus-jacents (migration latérale et per ascensum).

OBS

Les migrations se feront soit du haut vers le bas (per descendum), soit du bas vers le haut (par ascensum), ou bien encore latéralement.

OBS

En contexte, l'expression latine «per ascensum» est écrite en italiques.

Spanish

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