Are you still watching? On the Olduvai Event: Unconformities in Geology: Craters tell tales about moon's past: To date a rock, chemists must break it down into its component elements using any of several methods, then analyze nuclide ratios using a mass spectrometer. For example, uranium-lead dating can be used to find the age of a uranium-containing mineral.
For the most accurate work, variations are compensated by means of calibration curves.
Physical Geology: A particular isotope of a particular element is called a nuclide. Homeschool Curriculum. Email is not a valid email. Enough material has been recovered to facilitate radiometric datingas well as identifying the peoples who once inhabited the site.