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Les isotopes du Rb et du Sr etc... comme isotopes traceurs

Isotopes traceurs. La mthode de l'isochrone de 87Rb en 87Sr a conduit la dtermination d'un ordonn l'origine (y=ax b).Le rapport 87Sr/86Sr n'est le mme pour toutes les roches.Or comme la quantit de 86Sr ne change pas, c'est donc celle de 87Sr qui a vari au moment des diffrentes cr

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Les isotopes du Rb et du Sr etc... comme isotopes traceurs

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