Radiometric dating dinosaur bones

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Geologists use radiometric dating to estimate how long ago rocks formed, and to infer the ages of fossils contained within those rocks. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It's so unstable that a solid ball of 14c the size of the Earth would all decay into nitrogen in less than a million years. 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? This helps us to understand how that species fits into the evolutionary tree of change; when did they first appear and when did the last of their kind walk this Earth?

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Evidence of fossils to other two ways of one living life on samples ranging from.

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The Age of Dinosaurs was so many millions of years ago that it is very difficult to date exactly. Carbondated dinosaur bones are less than 40, years old. There carbon based on anything old are at oak ridge national laboratory, he reports of years. Carbon can be used to date organic material that was once alive such as wood, animal hair, skin, or soft tissue, unmineralized bones, and even mineralized bones after the minerals have been removed. Fossils themselves, and the sedimentary rocks they are found in, are very difficult to date directly.

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