carbon-14 dating

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  • noun

Synonyms for carbon-14 dating

a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14

References in periodicals archive ?
Carbon-14 dating from remains found at an Arica site, called Acha, estimates that the oldest Chinchorro "natural" mummy is from 7020 B.
And carbon-14 dating, using dissolved inorganic carbon-14 in the water, is sometimes used to date water further into the past.
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.
The exhibition will also explore the science of the scrolls, as well as investigating scroll preservation, DNA and chemical analysis, infrared technology, Carbon-14 dating, document reconstitution, and the Dead Sea and San Diego County Mediterranean climates -- without which the scrolls might never have been preserved.
Among the first tests, conducted at the University of Salento, Italy, was carbon-14 dating to determine the age of the bones.
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.
The organic carbon in the soils has been stripped away by wind or water, so scientists can't use carbon-14 dating to estimate when those wet spells might have occurred, says Muhs.
What they encountered instead was a barrage of criticism about a secret restoration of the cloth in 2002 and probing questions about why Turin officials summarily rejected chemical proof of failed carbon-14 dating.
The carbon-14 dating is "a good piece of work," he says, "but it's not particularly relevant.
Chemist Raymond Rogers, a Los Alamos National Laboratory Fellow, showed that the sample used for carbon-14 dating in 1988 was from a discrete newer repair patch that is chemically unlike the cloth of the Shroud of Turin.
Carbon-14 dating has put the age of two of the plants out in the Namib Desert at roughly 1,500 years and counting.