Radiometric dating calculates an age in years for geologic materials by measuring the presence of a short-life radioactive element, e. Carbon datingalso called radiocarbon datingmethod of age determination that depends upon the decay to nitrogen of radiocarbon carbon The radiometric evidence for a 4. All rights reserved. This page has been archived and is no longer updated.
Geologists do not use carbon-based radiometric dating to determine the age of rocks.
We are a c 3 non-profit company tax-exempt status approvedso your contributions to our ministry are welcome! Earth scientists have devised many complementary and consistent techniques to estimate the ages of geologic events. Sincescientists have reckoned the ages of many old objects by measuring the amounts of radioactive carbon they contain. Your email address is used to log in and will not be shared or sold. Geologist Ralph Harvey and historian Mott Greene explain the principles of radiometric dating and its application in determining the age of Earth.
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