Radiocarbon dating of rock


Using the basic ideas of bracketing and radiometric dating, researchers have determined the age of rock layers all over the world.

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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.

Thus in this case, as in many others that have been raised by skeptics of old-earth geology, the "anomaly" is more imaginary than real.