Question: What isotopes can be used for dating?

What parent isotopes are used in radiometric dating?

RADIOMETRIC TIME SCALEParent IsotopeStable Daughter ProductCurrently Accepted Half-Life ValuesUranium-235Lead-207704 million yearsThorium-232Lead-20814.0 billion yearsRubidium-87Strontium-8748.8 billion yearsPotassium-40Argon-401.25 billion years2 more rows•Jun 13, 2001

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