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What type of rock can be dated using radiometric dating

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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.
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Dating Fossils in the Rocks

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Why can't radiometric dating be used on sedimentary rock? | Yahoo Answers

This question requires a very extensive answer to be able to cover all bases here but I'm going to attempt to explain the salient facts. Jump down to summary if you just want to know what both categories of limitations are. The limitations of radiometric dating can be split into two general categories, analytical limitations and natural limitations. Analytical limitations encompass the limitations of the machinery that is being used to date a material. This technique bombards the sample, slowly drawing material out and then sending it through to an ion counter. This is then transformed into isotopic ratios and then used to date the material.
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Radiometric Age Dating

Skip to content. Types of radiometric dating. Yes, geologists use radiometric dating. Most significant discoveries in geology.
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Lake Turkana has a geologic history that favored the preservation of fossils. Scientists suggest that the lake as it appears today has only been around for the past , years. The current environment around Lake Turkana is very dry. Over the course of time, though, the area has seen many changes. Over time the sediment solidified into rock.
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