Relative geologist uses radioactive dating advantages do more than confirm dates established by the fossils using Darwin's theory of descent with modification. Relative dating is the science of determining the relative order of past events without necessarily determining their absolute age (i.e. estimated age). In geology.
Explanation: radiometric dating can not be used to date fossils. Most fossils do not contain Carbon so Carbon 14 radiometric dating can not be used to date a fossil that does not contain Carbon. There is not enough Carbon 14 left to used for radioactive dating. All other forms of radioactive dating are based on the radioactive decay of igneous rocks.
Radioactive dating can not be used to date sedimentary rocks. When the radioactive date contradicts the relative age as determined by the fossils the fossil date is always considered to be the better value. No geologist uses radioactive dating to do more than confirm dates established by the fossils using Darwin's theory of descent with modification.