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Published on August 10, 2018
There have been different methods of measuring carbon-14 since Willard Libby pioneered the radiocarbon dating technique in the 1940s – from the radiometric techniques of gas proportional counting and liquid scintillation counting to the more recent accelerator mass spectrometry (AMS).
Published on July 16, 2018
As new developments and construction projects are undertaken, artefacts and larger sites of archaeological interest may be uncovered. Rescue archaeology plays the role of surveying and recovering any valuable finds from these sites. In general, there are now more measures in place to ensure that development sites are surveyed. However, rescue archaeology is still a […]
Published on June 15, 2018
Measuring the age of corals can provide insights for paleoclimatology studies. For deep sea corals, a combination of radiocarbon dating and uranium-thorium dating can be used. The carbon-14 date represents the age of the coral and the water, whereas the uranium-thorium date reflects the coral itself. This can provide information on past deep sea circulation […]
Published on March 22, 2018
Radiocarbon dating otoliths has the potential to confirm both the absolute age of individual fish and annuli formation. Despite the many techniques that can be used for age validation, only radiocarbon dating can provide the absolute age in a variety of fishes particularly the long-lived ones. The use of bomb-derived radiocarbon as a dated otolith […]
Published on August 21, 2017
Choosing a radiocarbon dating laboratory is not always easy; there are many factors to consider and often budgetary constraints to negotiate. An important factor in decision-making is how quickly the results are reported, particularly if there are deadlines to meet. Even when there is no impending deadline, a fast turnaround time can be important and […]