Crbon dating

22-Jun-2017 04:41

Potassium-40 is another radioactive element naturally found in your body and has a half-life of 1.3 billion years.

crbon dating-49

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In reality, its measured disequilibrium points to just such a world-altering event, not many years ago.By looking at the ratio of carbon-12 to carbon-14 in the sample and comparing it to the ratio in a living organism, it is possible to determine the age of a formerly living thing fairly precisely. So, if you had a fossil that had 10 percent carbon-14 compared to a living sample, then that fossil would be: t = [ ln (0.10) / (-0.693) ] x 5,700 years t = [ (-2.303) / (-0.693) ] x 5,700 years t = [ 3.323 ] x 5,700 years Because the half-life of carbon-14 is 5,700 years, it is only reliable for dating objects up to about 60,000 years old.

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