Radiometric dating, often called radioactive dating, is a technique used to determine the age of materials such as rocks. It is based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates. It is the principal source of information about the absolute age of rocks and other geological features, including the age of the Earth itself, and it can be used to date a wide range of natural and man-made materials. The best-known radiometric dating techniques include radiocarbon dating, potassium-argon dating, and uranium-lead dating. By establishing geological timescales, radiometric dating provides a significant source of information about the ages of fossils and rates of evolutionary change, and it is also used to date archaeological materials, including ancient artifacts.
Difference Between Absolute and Relative Dating
What is the difference between carbon dating and radiometric dating - Answers
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What Is the Difference Between Relative Dating and Radiometric Dating?
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Three types of carbon occur naturally in living material: C12, C13 and C Carbon14 C14 is unstable and present in a very small percentage relative to the other components. The rate of decay or half-life of C14 was proven linear, allowing scientists to determine the approximate date of the expiration of a life form based on the amount of C14 remaining in the fossil.