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MAGNETIC LINEATION [1 record]

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Record 1 1991-04-05

English

Subject field(s)
  • Geology
DEF

A line on the sea floor along which the magnetic field has a greater or lesser intensity than the regional field. Sequences of normal and reversed magnetic lineations, identified by ship or aircraft surveys, are essential in working out the sea-floor spreading history of the world's oceans.

French

Domaine(s)
  • Géologie
DEF

Sur le fond marin, ligne le long de laquelle le champ magnétique a une intensité plus élevée ou plus faible que le champ régional. Les séquences de bandes normales et de bandes inverses, identifiées par des levés effectués à bord de navires ou d'avions, permettent de déterminer les étapes d'expansion des fonds océaniques.

Spanish

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