Thus, any deformations of strata Figures 2 and 3 must have occurred after the rock was deposited. Tauxe, L. However, once rocks or fossils become much older than that, all of the "traps" in the crystal structures become full and no more electrons can accumulate, even if they are dislodged.
The Success Code.
Primate Origins and the Plesiadapiforms. Student Voices. However some isotopes, like 14 C, have an unstable nucleus and are radioactive. Science Intro to Natural Sciences. The Geologic Time Scale , 2-volume set. The rocks do not date the fossils the fossils date the rocks American Journal of Science Jan Absolute dating is based on radioactivity.