Carbon dating material
Carbon dating has a certain margin of error, usually depending on the age and material of the sample used.
Radiocarbon is not used to date the age of rocks or to determine the age of the earth.
In earth and environmental sciences, radioactive isotopes, atom variants that decay over time, play a major role in age determination.
A radioactive isotope of the inert gas argon 39, for example, is ...
Carbon-14 cannot be used to date biological artifacts of organisms that did not get their carbon dioxide from the air.
This rules out carbon dating for most aquatic organisms, because they often obtain at least some of their carbon from dissolved carbonate rock.