Several tests were done by the University of Georgia using accelerator mass spectrometry. The age for all these fossils was found to be less than 50, years. Each of the two thousand meeting participants was given a disc which included the abstract of the carbon dating report. However, the abstract of the Miller presentation was removed from the website for the conference. If the accepted ages of millions of years for dinosaurs were to be found to be in error, this would be a problem to evolution. The dinosaur dates reported below and discussed in the AOGS paper discussed throughout this article, included triceratops, hadrosaur, allosaurus, and acrocanthasaurs.
Radiocarbon dating equation
Radiocarbon dating of fossils taken from caves on islands : Sentence Correction (SC)
Philip J. The American Biology Teacher 1 February ; 82 2 : 72— The recent discovery of radiocarbon in dinosaur bones at first seems incompatible with an age of millions of years, due to the short half-life of radiocarbon. However, evidence from isotopes other than radiocarbon shows that dinosaur fossils are indeed millions of years old. Fossil bone incorporates new radiocarbon by means of recrystallization and, in some cases, bacterial activity and uranium decay. Because of this, bone mineral — fossil or otherwise — is a material that cannot yield an accurate radiocarbon date except under extraordinary circumstances. Science educators need to be aware of the details of these phenomena, to be able to advise students whose acceptance of biological evolution has been challenged by young-Earth creationist arguments that are based on radiocarbon in dinosaur fossils.
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Mammals were the first fossil animals to be found in the caves of Southeast Alaska, and they have provided the bulk of the information about ancient environments. This is in part because of their limited mobility among the islands compared to birds and fishes. Large mammals appear to be able to colonize islands fairly quickly once suitable habitats become available, whereas small mammals have great difficulty. The table at the left lists all mammal species that have been found thus far of all ages from the caves of Southeast Alaska.
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