Geologic Dating Techniques
Channel: That Bio Doc
Date: 2021-02-18

In this video, That Bio Doc discusses how radioactive isotopes such as carbon-14, uranium-238, uranium-235, and potassium-40 can be used to determine the age of a rock sample. Absolute dating techniques using these radioactive isotopes are the primary way in which the age of rock strata, including the fossils contained within them, are determined.