Start Radioactive dating rock samples

Radioactive dating rock samples

In 1905, shortly after the discovery of radioactivity, the American chemist Bertram Boltwood suggested that lead is one of the disintegration products of uranium, in which case the older a uranium-bearing mineral the greater should be its proportional part of lead.

They used pottery and other materials in sites to date 'relatively'.

They thought that sites which had the same kinds of pots and tools would be the same age.

Welcome to the K12 section of the Radiocarbon WEBinfo site.