![Dating Techniques Four Categories –Radio-isotope methods –Paleomagnetic methods –Organic/inorganic chemical methods –Biological methods. - ppt download Dating Techniques Four Categories –Radio-isotope methods –Paleomagnetic methods –Organic/inorganic chemical methods –Biological methods. - ppt download](https://images.slideplayer.com/5/1587679/slides/slide_5.jpg)
Dating Techniques Four Categories –Radio-isotope methods –Paleomagnetic methods –Organic/inorganic chemical methods –Biological methods. - ppt download
A radio isotope 'X' with a half life 1.4 × 10^9 years decays to 'Y' which is stable. A sample of the rock from a cave was found to contain ' X '
![Employee uses remote control to manipulate with radio isotopic material. Rez, Czechoslovakia 1960. (CTK Photo / Viktor Lomoz Stock Photo - Alamy Employee uses remote control to manipulate with radio isotopic material. Rez, Czechoslovakia 1960. (CTK Photo / Viktor Lomoz Stock Photo - Alamy](https://c8.alamy.com/comp/BX5BGP/employee-uses-remote-control-to-manipulate-with-radio-isotopic-material-BX5BGP.jpg)