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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.…

continue reading » The isochron techniques are partly based on this principle.

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. This assembly of Ph D scientists gathered more than 300 samples of igneous rock from over 30 volcanic sites around the world and sent those samples to multiple labs for dating using 4 different radiometric dating methods.

Potassium-Argon, Rubidium-Strontium, Led-Led, Samarium-Neodymium In.… continue reading » The most widely known form of radiometric dating is carbon-14 dating.

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The use of different dating methods on the same rock is an excellent way to check the accuracy of age results.