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geochronometry |
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geochronometry [¦jē·ō·krə′näm·ə·trē]
(geology) The study of the absolute age of the rocks of the earth based on the radioactive decay of isotopes, such as238U,235U,232Th,87Rb,40K, and14C, present in minerals and rocks. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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