When some Christians first consider the possibility that Earth might have a much longer history than a few thousand years, they face a daunting challenge. Conventional scientists claim that dating methods are robust and reliable, but young-earth advocates insist that all are based on untestable assumptions and circular reasoning. Without the tools or expertise to independently evaluate the competing claims, many Christians default to the young-earth view, assuming there must be scientific justification for the young-earth claims. For those of us who actually use these dating techniques, it is equally challenging to find ways to communicate the reliability of these methods in an understandable way.
What Is Circular Dating?
Carbon dating - Conservapedia
About 40, years before the appearance of modern man in Europe, Neanderthals in southwestern France were venturing deep into the earth, building some of the earliest complex structures and using fire. That's according to new research that more precisely dated bizarre cave structures built from stalagmites , or mineral formations that grow upward from the floor of a cave. Scientists discovered about stalagmites and stalagmite sections that were collected and stacked into nearly circular formations about 1, feet meters from the entrance of Bruniquel Cave, which was discovered in Dating these formations to a time when Neanderthals , but not modern humans, were present in Eurasia, makes the finding the oldest directly dated constructions attributed to Neanderthals, according to Marie Soressi, an archaeologist at Leiden University in the Netherlands, who wrote a News and Views article in the same issue of the journal Nature in which the original study is published. Soot stains, heat fractures and burnt material, including bone, point to the likelihood that these circles were used to contain fires back in the day.
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Radiometric dating , radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon , in which trace radioactive impurities were selectively incorporated when they were formed. The method compares the abundance of a naturally occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay. Together with stratigraphic principles , radiometric dating methods are used in geochronology to establish the geologic time scale. By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change.