How is radiometric dating used to find the age of sedimentary rock

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Description: Currently you are watching How is radiometric dating used to find the age of sedimentary rock porn video. You can find more videos like How is radiometric dating used to find the age of sedimentary rock below in the related videos section. Radiometric dating or radioactive dating is a technique 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. Radiometric dating is also used to date archaeological materials, including ancient artifacts. The most widely known form of radiometric dating is carbon dating. Some of the isotopes used for this purpose are uranium, uranium and potassium- 40, Fossils, however, form in sedimentary rock -- sediment quickly covers a.

Added: 07.01.2019 at 02:52

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