Its pretty cool. induced luminscenc and alpha-recoil fission tracking , need to have the samples be exposed to sunlight and then "buried at some time in the past. The electrons that "build up" can be used almost like any "daughter products" and , while the techniques are fraught with lotsa calibrations and QA concerns. You can gt ome fairly good dtes (lotsa multiple samples for x checking).
Glacial geologists use the techniques on erratics and end moraines , along with another simpl trick called "seriation" to get some RELATIVE dates of when a glacier passed by your neighborhood. Ive been told the accuracy can be as short a time as 50 years ago.(ome guys used it as a forensic tools for dating old local battlefields in the Revolution v the Civil War).
We used it once but, because we had tree ring data that was more easily understood by the court, we abandoned the "Higher tech" alpha-recoil or Induced Thermoluminescence tricks.
Sometimes we do **** just to look smart and the **** de do often had no means of understandingly explaining it my mother ,