Method of dating fossils by radioactive decay


18-Sep-2020 14:03

This paper describes in relatively simple terms how a number of the dating techniques work, how accurately the half-lives of the radioactive elements and the rock dates themselves are known, and how dates are checked with one another.

method of dating fossils by radioactive decay-49

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Radiometric dating can be compared to an hourglass.

Most of the elements in nature are stable and do not change.

However, some elements are not completely stable in their natural state.

Radiometric dating--the process of determining the age of rocks from the decay of their radioactive elements--has been in widespread use for over half a century.

There are over forty such techniques, each using a different radioactive element or a different way of measuring them.It has become increasingly clear that these radiometric dating techniques agree with each other and as a whole, present a coherent picture in which the Earth was created a very long time ago.



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