<page_title> Radiogenic nuclide </page_title> <section_title> Radiogenic nuclides used in geology </section_title> <table> <cell> 232Th <col_header> Parent nuclide </col_header> </cell> <cell> 208Pb** <col_header> Daughter nuclide </col_header> </cell> <cell> 238U <col_header> Parent nuclide </col_header> </cell> <cell> 206Pb** <col_header> Daughter nuclide </col_header> </cell> <cell> 235U <col_header> Parent nuclide </col_header> </cell> <cell> 207Pb** <col_header> Daughter nuclide </col_header> </cell> </table>
The ²⁰⁶Pb is formed from ²³⁸U, ²⁰⁷Pb from ²³⁵U and ²⁰⁸Pb from ²³²Th.