Uranium–uranium dating, method of age determination that makes use of the radioactive decay of uranium to uranium; the method can be. Carbon 14 and Uranium are not used together to determine fossil ages. Using relative and radiometric dating methods, geologists are able to answer the use radiometric dating methods, based on the natural radioactive decay of . of damage tracks in glass and minerals from the radioactive decay of U.
Radiometric dating :
Carbon, though, is continuously created through collisions of neutrons generated by cosmic rays with nitrogen in the upper atmosphere and thus remains at a near-constant level on Earth. Closure temperatures are so high that they are not a concern. The thing that makes this decay process so valuable for determining the age of an object is that each radioactive isotope decays at its own fixed rate, which is expressed in terms of its half-life.
How are C-14 and U-238 dating used together in order to determine fossil ages?