How to date a fossil without spending a fortune for dinner and flowers Have you wondered how the age of fossils are determined? There are several different methods scientists use to determine age of fossils. Sometimes, it is possible to determine age directly from the fossil. Many times however, fossils are to old to have their age directly measured.
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Carbon-14, Radiometric Dating and Index Fossils Carbon dating is used to determine the age of biological artifacts up to 50,000 years old. This technique is widely used on recent artifacts, but educators and students alike should note that this technique will not work on older fossils like those of the dinosaurs alleged to be millions of years old. This technique is not restricted to bones; it can also be used on cloth, wood and plant fibers.
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These radioactive isotopes are unstable, decaying over time at a predictable rate. As the isotopes decay, they give off particles from their nucleus and become a different isotope. The parent isotope is the original unstable isotope, and daughter isotopes are the stable product of the decay.
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