Role of radio isotopes in dating the past
By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionarychange.
Radiometric dating is also used to date archaeological materials, including ancient artifacts.
Both relative dating and absolute dating are complimentary tools tools used to assign temporal characteristics to a sequence of events.
Tools like radiometric dating use radioactive isotopes and known decay rates…
Radioactive dating is carried out with substances which were formed at some unknown point in the past and contained a known proportion of a radioactive isotope of some element.
There are several techniques (other than radiometric dating) employed in both sets of methods.
See related questions below I'm no professional on this, but I think I can contribute to something.
Isotopes, (I hope you already know this), are types of the same element, but with different mass, usually due to different numbers of neutrons. Short Answer: Radiometric dating is one type of absolute dating.
Both are attempting to get information on the history of events.
The primary difference in relative dating and absolute dating is that absolute dating assigns an actual time or age to an event or object. Relative age dating is a scientific process of evaluation used to determine the relative order of past events, but does not determine the absolute age of an object or date of an event.