carbon-14 dating


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carbon-14 dating

[¦kär·bən ¦fȯr‚tēn ′dād·iŋ]
(nucleonics)
Determining the approximate age of organic material associated with archeological or fossil artifacts by measuring the rate of radiation of the carbon-14 isotope. Also known as radioactive carbon dating; radiocarbon dating.
References in periodicals archive ?
Professor Waldron added: 'Using carbon-14 dating like this could give conservationists and land managers a deeper understanding of the effect that development work is having on peatlands.
Carbon-14 dating from remains found at an Arica site, called Acha, estimates that the oldest Chinchorro "natural" mummy is from 7020 B.C., more than nine thousand years old.
In addition, by using high-tech carbon-14 dating, The Desert Mummies of Peru shows how Dr Guillen and her team piece together the clues left by a peaceful civilisation that left no written trace and almost no architectural vestige.
After all, if the creationists are right, not just biology must go but also geology, archeology, astrophysics, physics; so must radiometric and carbon-14 dating. Indeed, creationists should be protesting every natural history museum in the country that uses public funds to promulgate the "secular humanist" doctrine of geological time.
The selppointed chief inquisitor this time has been the astronomer Carl Sagan but in 1995, Charles Ginenthal demolished Sagan's specious arguments in his own comprehensive book, Carl Sagan & Immanuel Velikovsky, which is valuable and most readable for br inging in further wide-ranging data and detailing techniques - for example, carbon-14 dating which is so erratic it has been known to show the shells of living molluscs to have an age of 2300 years.
Although there may be no specific dates attached, nor carbon-14 dating to support the accounts of this verbal history, it is the way we have recorded our story since our existence--long before Columbus, or the coming of Cartier."
In 1988 some of the linen was finally tested by the carbon-14 dating method worked out by Libby (see 1947).
Carbon-14 dating of ancient European artifacts placed Europe's cultural origins in the Middle East.
Carbon-14 dating is not a new idea - the planet naturally creates this element and scientists have long used it to estimate age, such as that of dinosaur fossils.
They believe that neutron radiation caused by an earthquake could have induced the image of a crucified man -- which many people believe to be that of Jesus -- onto the length of linen cloth, and caused carbon-14 dating done on it in 1988 to be wrong.
The samples of the shards have been sent to Oxford University for carbon-14 dating, he added.
As recorded by the American Indi- ans (a winter night not long before white men came) and drowned trees (in the winter of 1699-1700, based on carbon-14 dating and tree ring counts), it occurred at about 9 p.m.