what is assumed when radiometric dating / Radiometric Dating Does Work! | National Center for Science Education

what is assumed when radiometric dating

what is assumed when radiometric dating

Thus, our best estimate of the age of the Earth is 4. As this article has illustrated, rocks may have inherited parent and daughter isotopes from their sources, or they may have been contaminated when they moved through other rocks to their current locations. In addition, the radioactive decay rates have not been constant. Contents move to sidebar hide. To illustrate how radiometric dating works, I am going to focus on one method uranium-lead dating , but all other types of radiometric dating follow the same general steps note: technically there are two types of uranium-lead dating and both are generally used simultaneously, but I am going to focus on the cycle of U to keep things simple. Email Address: Follow Join Evidence for correlations between nuclear decay rates and Earth-Sun distance - et al.

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WHAT IS ASSUMED WHEN RADIOMETRIC DATING / janiceclark.net