Radiometric dating used to date fossils

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This page has been archived and is no longer updated. The most widely known form of radiometric dating is carbon dating. Evidence of fossils to other two ways of one living life on samples ranging from. Geologists use radiometric dating to estimate how long ago rocks formed, and to infer the ages of fossils contained within those rocks. Carrier delivery delays are common this time of year and we have no control over these.

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DK Science: Dating Fossils

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Love-hungry teenagers and archaeologists agree: dating is hard.

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Radiometric datingradioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbonin which trace radioactive impurities were selectively incorporated when they were formed. When paleontologist Mary Schweitzer found soft tissue in a Tyrannosaurus rex fossilher discovery raised an obvious question -- how the tissue could have survived so long? Many rocks and organisms contain radioactive isotopes, such as U and C Archaeological finds worldwide have helped researchers to fill out the story of human evolution and migration. The Age of Dinosaurs was so many millions of years ago that it is very difficult to date exactly.

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