Radiometric dating for fossils often
Much of the controversy between evolutionists and creationists concerns the age of the earth and its fossils.
These dates indicate that for 100 years, the age of the earth doubled every 20 years.
None of these methods can be used directly on fossils or the sedimentary rock in which fossils are found.
All radiometric dating (with the exception of carbon dating) must be done on igneous rocks (rocks solidified from a molten state such as lava).
The most widely used method for determining the age of fossils is to date them by the “known age” of the rock strata in which they are found.
On the other hand, the most widely used method for determining the age of the rock strata is to date them by the “known age” of the fossils they contain. O’Rourke, for example, concedes: The intelligent layman has long suspected circular reasoning in the use of rocks to date fossils and fossils to date rocks.
As we will see, selected data and unprovable assumptions are a problem with all methods for determining the age of the earth, as well as for dating its fossils and rocks.