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This is one of the very, very few sites in Mora County that have been excavated,” she said of the site reported by the state Department of Transportation.
A buffalo tooth rests in a tube of the Low Energy Plasma Radiocarbon Sampling machine located in the New Mexico Office of Archaeological Studies lab.
The second is a set of new samples that the RATE team collected and sent to a leading radiocarbon AMS laboratory to be dated.
In both cases, I am convinced that the “intrinsic radiocarbon” is nothing more than contamination and instrument background.
Radiocarbon dating, a method proposed by Libby, is used to date organic material by measuring the amount of carbon-14, a radioactive isotope of carbon.
The discovery is the 80th National Historic Chemical Landmark to be designated by the American Chemical Society (ACS).
According to Diane Grob Schmidt, the immediate past president of the ACS, every subject submitted for landmark consideration must fulfill three criteria: it must be more than 25 years old, it must represent a “seminal achievement” in chemistry, and it must have a significant contribution to society.
As she presented the plaque, Schmidt said that beyond fulfilling the criteria, Libby’s work is “a fantastic example of the transforming power of chemistry” because of its profound effects on not only areas of study but also “on ourselves” by providing a fuller understanding of our past.
In his opening remarks during the program, Provost Daniel Diermeier highlighted the importance of Libby’s work.
A professor’s discovery of radiocarbon dating in 1946 was designated as a National Historic Chemical Landmark on Monday.