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Why can't carbon dating be used to determine the age of petrified wood?
Wiki User
∙ 9y ago
Cosmic ray protons blast nuclei in the upper atmosphere, producing neutrons which in turn bombard nitrogen, the major constituent of the atmosphere. This neutron bombardment produces the radioactive isotope carbon-14. The radioactive carbon-14 combines with oxygen to form carbon dioxide and is incorporated into the cycle of living things.
Wiki User
∙ 8y ago
Wiki User
∙ 9y agoThe fossilization process that petrified the wood replaced all the carbon with silicate minerals, leaving no carbon-14 to measure.
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