The technique the scientists use is known as radiocarbon dating and is more commonly used by archaeologists to date ancient fragments of bone and wood. From Wordnik.com. [Latest News Breaking News and Current News from the UK and World Telegraph] Reference
Everyone assumes that dates that follow the word "radiocarbon" are accurate, precise and sure. From Wordnik.com. [Signs of the Times] Reference
The process has a huge advantage over standard methods such as radiocarbon dating, which is plagued by large error ranges, Kirch said. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
'Traditional methods of dating the pigments, such as radiocarbon, are destructive to the paintings, and the samples are prone to contamination. From Wordnik.com. [Signs of the Times] Reference
Scholars have cast doubt on the Shroud of Turin's authenticity, citing scientific evidence such as radiocarbon testing that date it to medieval times. From Wordnik.com. [ireland.com Breaking News] Reference
A satisfactory agreement with the radiocarbon tests. From Wordnik.com. [Two in Time]
So we have a couple of radiocarbon dates and a few stone tools down there. From Wordnik.com. [CNN Transcript Nov 18, 2004] Reference
Two additional samples, however, have registered radiocarbon dates of 6940 ±. From Wordnik.com. [It's Official: Kennewick Man Goes Native] Reference
Such inclusions could be added to samples to manipulate the radiocarbon dates. From Wordnik.com. [Dating Controversy Lawsuit] Reference
The geochronological framework of these deposits is based on ten radiocarbon dates. From Wordnik.com. [Interactive Dig Sagalassos 2003 - Geomorphological Survey Report 2] Reference
Willerslev agreed to pay labs in Oxford and Florida to radiocarbon date each coprolite. From Wordnik.com. [Pre-Clovis Breakthrough] Reference
Two samples of bone are to be radiocarbon dated this September, according to McManamon. From Wordnik.com. [Kennewick VI: The Saga Continues] Reference
They then analyzed the methane trapped in the ice's bubbles for its radiocarbon abundance. From Wordnik.com. [Bill Chameides: Staring Down the Double-Barrel Climate Shotgun] Reference
Numerous radiocarbon dates establish that humans exploited the region at least 30,000 years ago. From Wordnik.com. [Willandra Lakes Region, Australia] Reference
There is little organic material preserved in the sandy matrix making radiocarbon-dating difficult. From Wordnik.com. [Pre-Clovis Surprise] Reference
Elk were found in six out of nine levels above and below a layer radiocarbon dated at 960 years BP. From Wordnik.com. [Yellowstone National Park, United States] Reference
Obviously, once the cordage was contaminated by chemicals, it could not be dated by radiocarbon means. From Wordnik.com. [Monte Verde Under Fire] Reference
Published radiocarbon dates indicate that palaeolake Tauca existed from about 13,000 to 18,000 cal. yr bp. From Wordnik.com. [Salar de Uyuni, Bolivia] Reference
After radiocarbon dated the structure to 8500 B.C. or earlier, researchers announced their finding last month. From Wordnik.com. [SCIENCE NEWS] Reference
Some of the carbon compounds in the various artifacts showed a faint trace of radiocarbon, others showed none. From Wordnik.com. [Dead Giveaway] Reference
But a few months after the dig, radiocarbon dates revealed that shells found in Lene Hara were 30,000 years old. From Wordnik.com. [Letter from East Timor: Timor's Safe Havens] Reference
The U.S. Department of the Interior has announced the results of additional radiocarbon dating of Kennewick Man. From Wordnik.com. [It's Official: Kennewick Man Goes Native] Reference
Most archeologists dismissed both the book and Hodell's evidence -- which relied on imprecise radiocarbon dating. From Wordnik.com. [Fall Of The Mayans] Reference
Called radiocarbon because it is radioactive, over a period of tens of thousands of years C-14 decays back into N-14. From Wordnik.com. [Bill Chameides: Staring Down the Double-Barrel Climate Shotgun] Reference
In 1988, groups of scientists from three countries were allowed to perform radiocarbon dating on fibers from the Shroud. From Wordnik.com. [Faith, Proof and Relics] Reference
Our strategy will be determined by datings of the deposits studied during 2002 (radiocarbon datings are now in progress). From Wordnik.com. [Interactive Dig Sagalassos 2003 - Survey] Reference
Until 1997 no site was widely accepted as pre-dating the Clovis culture (11,000 to 11,500 radiocarbon years before present). From Wordnik.com. [Monte Verde Under Fire] Reference
Together with these crustae, we found lots of charcoal and took some samples of it for radiocarbon dating and dendrochronology. From Wordnik.com. [Interactive Dig Sagalassos - Roman Baths Report 5] Reference
You see, the methane in clathrates was formed millions of years ago and so has no radiocarbon left, not so for wetlands methane. From Wordnik.com. [Bill Chameides: Staring Down the Double-Barrel Climate Shotgun] Reference
Scrutiny of the radiocarbon dates from Pedra Pintada, another Brazilian site, indicates it is probably younger than Clovis sites. From Wordnik.com. [Books: Beyond Clovis] Reference
Smith used accelerator mass spectrometer radiocarbon dating, which can be used on very small samples, to establish the seeds 'age. From Wordnik.com. [Earliest Agriculture in the New World] Reference
Based on radiocarbon dating, it has been estimated that Nihoa and Mokumanamana could have been inhabited from 1000 A.D. to 1700 A. From Wordnik.com. [Northwestern Hawaiian Islands Coral Reef Ecosystem Reserve] Reference
Its upper part is covered with traces of burning and around it, charcoal was found in abundance and sampled for radiocarbon dating. From Wordnik.com. [Interactive Dig Sagalassos - Roman Baths Report 4] Reference
In the more recent case of a skeleton from Prince of Wales Island in Alaska, found in July and radiocarbon-dated to 9730 ± 60 B.P. From Wordnik.com. [Reburial Dispute] Reference
The first radiocarbon dates weren't published until 1949, the result of studies by an American chemist by the name of Willard Libby. From Wordnik.com. [The Magyar Venus]
Scientists at the U.S. Department of the Interior have announced today the results of additional radiocarbon dating of Kennewick Man. From Wordnik.com. [It's Official: Kennewick Man Goes Native] Reference
Undaunted by the challenge, Petrenko and his colleagues mined their tons of ice, isolated the methane, and did the radiocarbon analysis. From Wordnik.com. [Bill Chameides: Staring Down the Double-Barrel Climate Shotgun] Reference
The youngest was a shallow palaeolake, 'Coipasa', radiocarbon-dated between 11,500 and 13,400 calendar years before present (cal. yr bp). From Wordnik.com. [Salar de Uyuni, Bolivia] Reference
Because radiocarbon decays on time scales of tens of thousands of years, it provides a great way to distinguish between methane from wetlands and methane from clathrates. From Wordnik.com. [Bill Chameides: Staring Down the Double-Barrel Climate Shotgun] Reference
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