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This is what archaeologists use to determine the age of human-made artifacts. The half-life of carbon-14 is only 5,730 years, so carbon-14 dating is only effective on samples that are less than 50,000 years old.Dinosaur bones, on the other hand, are millions of years old -- some fossils are billions of years old.
Hutton's theories were short on evidence at first, but by 1830 most scientists concurred that Noah's ark was more allegory than reality as they documented geological layering.
Fossils can't form in the igneous rock that usually does contain the isotopes.
The extreme temperatures of the magma would just destroy the bones.
Unfortunately, these elements don't exist in dinosaur fossils themselves.
Each of them typically exists in igneous rock, or rock made from cooled magma.