John Woodmorappe
A detailed survey of the following dating methods in actual use: K-Ar, Ar-Ar, Fission track, Rb-Sr, U-Pb, Pb-Pb, Sm-Nd, Re-Os, Lu-Hf, La-Ce, etc. Addresses and refutes the common defensive statements used by proponents of the dating methods. Special emphasis is on demonstrating that discrepant results are not the exception, but the rule, and that arguments used to justify so-called good dates are, when closely examined, arbitrary and without foundation.
The Mythology of Modern Dating Methods