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This problem is made worse because other types of crystal defects can easily be counted as fission tracks.
Dendrochronology is a technique of dating past climatic changes through a study of tree ring growth.
Radiometric dating utilizes the decay rates of certain radioactive atoms to date rocks or artifacts.
Uniformitarian geologists consider this form of dating strong evidence that the Earth is billions of years old.
U has a known rate, and as such the number of tracks is theoretically related to the age of the sample.
Because fission-track dating requires a manual count of the fission tracks, the process is more prone to human error and bias than other radiometric dating methods.
Scientists have realized that there are difficulties in dealing with the assumptions of radiometric dating.
Isochron dating has been developed in an attempt to solve such problems.
Loss of uranium moves the point up and to the right, while a loss of lead moves the point down and to the left.These assumptions are based on the axioms or worldview the scientist is operating within.