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 ?
Earlier this year, chemist Raymond Rogers, a Los Alamos National Laboratory chemist, showed that the sample used for carbon-14 dating was indeed from discrete reweaving of the cloth.
It took chemical and microscopic analysis to reveal the discrete patch that was used for carbon-14 dating.
Using especially precise carbon-14 dating techniques, they found that the tsunami hit between 1,000 and 1,100 years ago.
Using the carbon-14 dating technique, the Alaskan researchers determined the ages of individual debris layers piled one atop the other.
Using the carbon-14 dating technique, Clarke and Carver found evidence of three earthquakes on such faults within the last 1,700 years.
Carbon-14 dating suggests that the shocks occurred every 300 years or so, with the last earthquake dating to approximately 1700.
Preliminary carbon-14 dating suggests that the coral-like Gerardia specimen -- retrieved from the Atlantic at a depth of 600 meters -- may have lived for as long as 1,700 years, researchers reported last week at the International Radiocarbon Conference in Tucson, Ariz.
Studies of Barbados coral revealed large errors in the carbon-14 dating scale used to measure the age of geologic and archaeological finds (137: 356).
Since then, he and his colleagues have traced the quake evidence farther down the coast and have used carbon-14 dating to establish the timing of those events.
Now, carbon-14 dating indicates the oil is extremely young, Simoneit and Didyk report in the Nov.
Jull used radioactive carbon-14 dating to determine the age of bits of starfish skeleton.