Here are some USGS Web pages with more information on carbon-14 analysis and Anywhere:
Geochronology
Description of the methods of geochronology used to estimate the dating of rocks and sediments with links to technique, equipment and contacts for a variety of methods.
(Score: 1.000)
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Definition:
Use of a naturally radioactive carbon isotope with atomic mass 14 and half-life 5,730 years to determine the age of ancient organic, geologic, or archaeological specimens. [Adapted from American Heritage Dic. of the English Language, 4th ed.]