After reading this section you will be able to do the following. Describe why carbon can be found in all living organisms. Explain how carbon can help determine the age of some objects. As you learned in the previous page, carbon dating uses the half-life of Carbon-14 to find the approximate age of certain objects that are 40,000 years old or younger.
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. Carbon-14 dating has been used successfully on the Dead Sea Scrolls, Minoan ruins and tombs of the pharaohs among other things.
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Radiocarbon Dating as a Current Scientific Clock By Jonathan Ring The use of carbon-14, also known as radiocarbon, to date organic materials has been an important method in both archaeology and geology. The technique was pioneered over fifty years ago by the physical chemist Willard Libby, who won the 1960 Nobel Prize for his work on 14C. Since then, the technique has been widely used and continually improved.
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