How many methods of radiometric dating are there

Radiometric Dating Methods. Table of Contents. Peru's Fossil Whales. Cosmogenic Isotope Dating.
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Dating Rocks and Fossils Using Geologic Methods

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Radiometric Dating

See also Counterexamples to an Old Earth. Radiometric dating is a method of determining the age of an artifact by assuming that on average decay rates have been constant see below for the flaws in that assumption and measuring the amount of radioactive decay that has occurred. Because radiometric dating fails to satisfy standards of testability and falsifiability , claims based on radiometric dating may fail to qualify under the Daubert standard for court-admissible scientific evidence. It is more accurate for shorter time periods e.
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Radiometric dating

I couldn't find one. So I set out to write one. This article was the result. Radiometric dating methods are the strongest direct evidence that geologists have for the age of the Earth.
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Radiometric dating involves dating rocks or other objects by measuring the extent to which different radioactive isotopes or nuclei have decayed. Although the time at which any individual atom will decay cannot be forecast, the time in which any given percentage of a sample will decay can be calculated to varying degrees of accuracy. The time that it takes for half of a sample to decay is known as the half life of the isotope. Some isotopes have half lives longer than the present age of the universe , but they are still subject to the same laws of quantum physics and will eventually decay, even if doing so at a time when all remaining atoms in the universe are separated by astronomical distances.
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