Which radioactive isotope is used in geological dating

Rated 4.6/5 based on 942 customer reviews

This technique is not restricted to bones; it can also be used on cloth, wood and plant fibers.

So, we rely on radiometric dating to calculate their ages.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.The atoms of some chemical elements have different forms, called isotopes.These break down over time in a process scientists call radioactive decay.

Leave a Reply