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Mr Miller sent the sample to the University of Georgia, Center for Applied Isotope Studies, for this purpose.
The sample was divided at the lab into two fractions with the “bulk” or collagen break down products yielding an age of 33,570 ± 120 years and the carbonate fraction of bone bioapatite yielding an age of 41,010 ± 220 years [UGAMS-11752 & 11752a].
However, cosmic radiation constantly collides with atoms in the upper atmosphere.
Part of the result of these collisions is the production of radiocarbon (C, pronounced "c fourteen"), carbon atoms which are chemically the same as stable carbon, but have two extra neutrons.
The Triceratops brow horn was excavated in May 2012 and stored at the Glendive Dinosaur and Fossil Museum.
The Museum, which has since 2005 been in cooperation with the Paleochronology Group, a team of consultants in geology, paleontology, chemistry, engineering, and education, sent a sample of the outer portion of the Triceratops brow horn to Head of the Paleochronology Group Hugh Miller, at his request, in order to carry out Carbon-14 dating.
Radiocarbon dating works by comparing the three different isotopes of carbon.
Isotopes of a particular element have the same number of protons in their nucleus, but different numbers of neutrons.
The Conversation UK receives funding from Hefce, Hefcw, SAGE, SFC, RCUK, The Nuffield Foundation, The Ogden Trust, The Royal Society, The Wellcome Trust, Esmée Fairbairn Foundation and The Alliance for Useful Evidence, as well as sixty five university members.This is because the amount and strength of cosmic radiation entering the earth's atmosphere has varied over time.(This, in turn, is caused by variations in the magnetic fields of the earth and sun, for example.) Although the ratio of radiocarbon to stable carbon in the atmosphere has varied over time, it is quite uniform around the globe at any given time because the atmosphere mixes very quickly and constantly.You should find this an excellent way to sample the evolving content of this website.And you can also view every previous year's Website News pages at the links below: The last few months have been exceptionally busy ones.
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