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APWPs for different continents can be used as a reference for newly obtained poles for the rocks with unknown age.

For paleomagnetic dating it is suggested to use the APWP in order to date a pole obtained from rocks or sediments of unknown age by linking the paleopole to the nearest point on the APWP.

A number of radioactive isotopes are used for this purpose, and depending on the rate of decay, are used for dating different geological periods.

More slowly decaying isotopes are useful for longer periods of time, but less accurate in absolute years.

By combining multiple geochronological (and biostratigraphic) indicators the precision of the recovered age can be improved.