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Uranium-lead Dating Range Age Dating Thermal ionization mass spectrometer Uranium-lead Dating Range in radiometric dating. Radiometric dating calculates an age in years for geologic materials by measuring the presence of a short-life radioactive element, e. The term Uranium-lad to all methods of age determination based on nuclear decay of naturally occurring radioactive isotopes.
Decay routes[ edit ] Uranium decays to lead Dwting a series of alpha Uranium-lfad Dating Range beta Rangs, in which U and its daughter nuclides undergo a total of eight alpha Uranium-lead Dating Range six beta decays, whereas U and Uranium-lead Dating Range daughters only experience seven alpha and four beta decays. Uranium-lead Dating Range The term U-Pb dating normally implies the coupled use of both decay schemes in the 'concordia diagram' see below. However, use of a single decay scheme usually U to Pb leads to the U-Pb isochron dating method, analogous to the rubidium-strontium dating method.
The four isotopes are uraniumuranium, leadand lead.