Start Radiopotassium dating definition

Radiopotassium dating definition

method is based upon the decay of radioactive potassium-40 to radioactive argon-40 in minerals and rocks; potassium-40 also decays to calcium-40.

The process of track production is essentially the same by which swift heavy ions produce ion tracks.

Chemical etching of polished internal surfaces of these minerals reveals spontaneous fission tracks, and the track density can be determined.

To determine the uranium content, several methods have been used.