Fossil dating method
This problem period may be even larger because: (1) some dating authorities believe that the effective range for K-Ar doesn't begin until about 400,000 ya, and (2) many of the older fossils are found at sites that lack the volcanic rocks necessary for K-Ar dating and hence cannot be dated by this method at all.
Although young-earth creationists challenge the legitimacy of all of the dates obtained by the long-term radiometric methods, even evolutionists are beginning to admit that this dating gap presents a problem for them.
However, these alternative methods have serious problems of their own.
Of the 84 anatomically modern Homo sapiens fossil individuals dated by evolutionists beyond 40,000 years, 59 of them (70%) fall into this 40,000-to-200,000 ya gap.
Anyone familiar with the paleoanthropological literature knows that this is not the way most of the dates for fossil discoveries in that time period have been presented.
The admissions now being made about the dating methods that have been previously used by evolutionists to cover this time period are particularly interesting.These admissions have profound implications for human evolution.In the Science article on ostrich-eggshell dating, the authors state that many of the dates assigned to human fossils in this 40,000-to-200,000-years ago period based on the older methods were only "provisional," and that all such dating is "uncertain." These are remarkable admissions.In all, 406 human-fossil individuals which evolutionists feel are crucial in documenting the evolution of modern humans fall into the gap between radiocarbon and K-Ar dating and hence have uncertain ages.Creationists have noted an interesting pattern in evolutionist writings regarding the dating of fossils.