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FRACTIONAL CRYSTALLIZATION [1 record]

Record 1 2011-07-22

English

Subject field(s)
  • Geochemistry
  • Petrography
  • Mineralogy
DEF

[The] crystallization from a magma in which the early-formed crystals are prevented from equilibrating with the parent liquid, resulting in a series of residual liquids of more extreme composition than would have resulted from continuous reaction.

CONT

Those [deposits] formed by fractional crystallization are usually found in plutonic igneous rocks ...

OBS

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

PHR

Assimilation and fractional crystallization.

French

Domaine(s)
  • Géochimie
  • Pétrographie
  • Minéralogie
DEF

Processus de cristallisation de différents minéraux à des moments successifs dans un magma en refroidissement, se traduisant par une série de réactions chimiques complexes.

CONT

Les gîtes stratiformes de chromite se sont manifestement formés au cours de la cristallisation fractionnée de magmas mafiques ou ultramafiques.

OBS

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

PHR

Processus d'assimilation et de cristallisation fractionnée.

Spanish

Campo(s) temático(s)
  • Geoquímica
  • Petrografía
  • Mineralogía
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