Zircon fission track dating humphreys
It would be hard to imagine that geologic processes could explain all these.
But Drs Humphreys and Baumgardner realized that there were too many independent lines of evidence (the variety of elements used in 'standard' radioisotope dating, mature uranium radiohalos, fission track dating and more) that indicated that huge amounts of radioactive decay had actually taken place.
The conclusions of the Radioisotopes and the Age of The Earth (RATE) Project as summarized above signify an important shift in argumentation by many of the major institutions of young-Earth creationism such as Answers in Genesis and the Institute for Creation Research.
According to RATE, accelerated decay would explain this anomaly (Vardiman et al. Given that diffusion rates are known to be highly variable, it is curious that RATE would believe this clock more reliable than radioisotope decay.Rather, there was likely to be a single, unifying answer that concerned the nuclear decay processes themselves.Since, from the eyewitness testimony of God's Word, the billions of years that such vast amounts of radioactive processes would normally suggest had not taken place, it was clear that the assumption of a constant slow decay process was wrong (Wieland 2003).According to De Young, string theory: could explore small, temporary adjustments of unseen dimensions, perhaps by the direct hand of the Creator.This might alter the Fermi constant and in turn, adjust nuclear decay rates significantly.
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If decay had truly been accelerated, and if 500 million years worth of decay occurred in one real year, then one would never find radiocarbon dates older than the Flood.