Uranium—uranium dating is a radiometric dating technique which compares two isotopes of uranium U in a sample: uranium U and uranium U. It is one of several radiometric dating techniques exploiting the uranium radioactive decay series , in which U undergoes 14 alpha and beta decay events on the way to the stable isotope Pb. Other dating techniques using this decay series include uranium—thorium dating and uranium—lead dating. This decays with a half-life of 6. This isotope has a half-life of about , years. The next decay product , thorium Th , has a half-life of about 75, years and is used in the uranium-thorium technique.
Radiometric Age Dating
The Age of the Earth - Lead Isotopes as a Current Scientific Clock: Paul Bechard
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Radiometric dating , radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon , in which trace radioactive impurities were selectively incorporated when they were formed. The method compares the abundance of a naturally occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay. Together with stratigraphic principles , radiometric dating methods are used in geochronology to establish the geologic time scale. By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change.
With an accout for my. Radiometric dating often called radioactive dating is a technique used to date materials, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates. Among the best-known techniques are radiocarbon dating , potassium-argon dating and uranium-lead dating. By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change. Radiometric dating is also used to date archaeological materials, including ancient artifacts.