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RESETTING ISOTOPIC CLOCK [1 record]

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Record 1 2009-01-07

English

Subject field(s)
  • Geochemistry
  • Chronology
OBS

Extensive investigations of a wide variety of Lake District igneous rocks have shown that dates obtained using other isotopic dating methods are considerably older than the dates using the K-Ar method: the elements K and Ar are mobilised very readily during geological processes, thus resetting the isotopic clock.

French

Domaine(s)
  • Géochimie
  • Chronologie
CONT

Nouvelles données montrant une remise à zéro générale de l'horloge isotopique K/Ar dans la partie nord de la baie de l'Amirauté, île du Roi George, Antarctique.

OBS

remise à zéro de l'horloge isotopique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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