TERMIUM Plus®

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primary dispersion halo [1 record]

Record 1 2004-10-26

English

Subject field(s)
  • Geochemistry
  • Geological Research and Exploration
  • Metals Mining
DEF

A geochemical anomaly resulting from primary dispersion.

CONT

Most mineral deposits include a central zone, or core, in which the valuable elements or minerals are concentrated. ... [The] zone surrounding the core deposit is known as a primary halo or anomaly, and it represents the distribution patterns of elements which formed as a result of primary dispersion.

OBS

As opposed to "secondary dispersion halo."

Key term(s)
  • primary geochemical aureole

French

Domaine(s)
  • Géochimie
  • Recherches et prospections géologiques
  • Mines métalliques
CONT

Les auréoles primaires d'un corps minéralisé ou d'un gisement sont les zones de roches encaissantes entourant celui-ci, enrichies de certains éléments lors des processus de mise en place de la minéralisation.

CONT

Les métaux dispersés dans la roche encaissant un gîte de minéraux primaires forment une auréole de dispersion ou ceinture de minéraux primaires [...]

Spanish

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