TERMIUM Plus®

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ANOMALIE MAGNETIQUE [1 record]

Record 1 2007-11-26

English

Subject field(s)
  • Magnetism
  • Geophysics
  • Magnetic and Electromagnetic Prospecting
  • Geological Research and Exploration
DEF

Variation of the measured magnetic pattern from a theoretical or empirically smoothed magnetic field on the earth's surface.

CONT

Plutonic contacts and common magnetite association with skarn generate strong magnetic anomalies.

OBS

magnetic anomaly: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Magnétisme
  • Géophysique
  • Prospection magnétique et électromagnétique
  • Recherches et prospections géologiques
DEF

Différence entre la valeur observée du champ magnétique en une zone donnée et une valeur théorique issue d'un modèle.

CONT

Les contacts plutoniques et l'association fréquente de la magnétite engendrent de fortes anomalies magnétiques.

OBS

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

Spanish

Campo(s) temático(s)
  • Magnetismo
  • Geofísica
  • Prospección magnética y electromagnética
  • Investigaciones y prospecciones geológicas
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