radiocarbon dating

Their age was established with radiocarbon dating as older than 20.000.

The site is known to be more than 45,000 years old from initial radiocarbon dating.

Radiocarbon dating has determined the oven to be about 5,000 years old.

Radiocarbon dating has shown that there was human activity going back 20 000 years.

Such action has been confirmed with radiocarbon dating by Smith and others.

Radiocarbon dating is limited to a maximum age of around 40,000 years.

Radiocarbon dating was used to determine the age of the bones.

Radiocarbon dating indicated that the human remains were about 10,000 years old.

Radiocarbon dating of its remains have been dated as between 1400 and 1600.

Radiocarbon dating suggested that the skeleton was around 4000 years old.

Radiocarbon dating has confirmed an age of 31,800 300 years for the seeds.

There's too big a margin for error in radiocarbon dating.

Radiocarbon dating of the site has not been possible.

Radiocarbon dating did not exist at the time of excavation.

Any Radiocarbon dating after this may not be accurately reliable.

Dates established by radiocarbon dating can present a range of 10 to over 100 years.

The spread in the radiocarbon dating indicates at least two possibilities.

Radiocarbon dating of wood charcoal at the site produced the same age.

Tree rings are used to make radiocarbon dating more accurate.

The material was tested through radiocarbon dating and dated to about 1850.

Radiocarbon dating indicates that it originated from the 9th century.

A detailed analysis using radiocarbon dating techniques was published in 2007.

Radiocarbon dating showed the artefact to be only 600 years old.

Radiocarbon dating is based on carbon - a common yet remarkable element.

No charred organic material for radiocarbon dating has been found.