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NUCLEAR AGE DETERMINATION [1 record]

Record 1 2004-04-01

English

Subject field(s)
  • Chronology
  • Radiological Physics (Theory and Application)
DEF

Calculating an age in years for geologic materials by measuring the presence of a short-life radioactive element, e.g. carbon-14, or by measuring the presence of a long-life radioactive element plus its decay product, e.g. potassium-40/argon-40.

OBS

The term applies to all methods of age determination based on nuclear decay of naturally occurring radioactive isotopes.

OBS

radioactive dating: term standardized by ISO.

French

Domaine(s)
  • Chronologie
  • Physique radiologique et applications
DEF

Détermination de l'âge d'un objet ou d'une matière d'après son contenu en nucléides radioactifs (uranium, carbone-14, potassium-40, etc.) et, le cas échéant, en leurs produits de désintégration.

OBS

Connaissant la période de désintégration d'un élément et la quantité d'élément radioactif et radiogénique, on peut calculer le temps écoulé depuis la cristallisation du minéral qui a fixé l'élément radioactif.

OBS

datation radioactive : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Cronología
  • Física radiológica (Teoría y aplicación)
DEF

Método de determinación de la edad del agua basado en la propiedad de desintegración radiactiva de los isótopos.

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