Une datation par l'etude de la radioactivite

Une datation par l'etude de la radioactivite

SAHRAFA, SONIA, LOLA

START

SOMMAIRE

Diapositive 1 : Ernest Rutherford Diapositive 2 : La méthode de Rutherford Diapositive 3 : Calcul de l’âge de la Terre Diapositive 4 : Résultat et date Diapositive 5 : Controverses et limites

La méthode de Rutherford

Utilisation des éléments radioactifs contenus dans les roches Principe : désintégration des noyaux pères en noyaux fils radiogéniques L’hélium produit est supposé rester confiné dans la roche pour mesurer l’âge

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Timeline

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1990

Ut wisi enim ad minim veniam, quis nostrud exerci tation veniam

2000

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2010

Vel illum dolore eu feugiat nulla facilisis at vero eros et eu feugiat nulla facilisis

2020

Qui blandit praesent luptatum zzril delenit augue duis qui blandit

2030

Eureka!

Thanks!

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