Dictionary definition carbon dating
A very small percentage of carbon, however, consists of the isotope carbon 14, or , which is unstable.Carbon 14 has a half-life of 5,780 years, and is continuously created in Earth's atmosphere through the interaction of nitrogen and gamma rays from outer space.the 14 biological objects from archaeological excavations of the tram line 2, with particle accelerators, AMS method, including the bone material, burnt or not, with or without extraction of collagen.A technique for measuring the age of organic remains based on the rate of decay of carbon 14.have revealed that the remains recovered - three leg bones and an arm bone from the left side of the body and fragments of skull and jaw with four teeth - belonged to a man believed to have been aged 30 to 40 whose maximum height would have been 5ft 5in.The desire to push the boundaries has been a motivator in many a daring expedition, testing the human spirit and physical abilities to the utmost. Your chance to have a one-to-one lesson with best-selling language expert Paul Noble, try a FREE audio sample of his brand new Mandarin Chinese course.
It must be noted though that radiocarbon dating results indicate when the organism was alive but not when a material from that organism was used.
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This is the British English definition of carbon dating. Change your default dictionary to American English.
An age could be estimated by measuring the amount of carbon-14 present in the sample and comparing this against an internationally used reference standard.
The impact of the radiocarbon dating technique on modern man has made it one of the most significant discoveries of the 20th century.