Rowe hopes to use it, for instance, to analyze objects such as a small ivory figurine called the "Venus of Brassempouy," thought to be about 25,000 years old and one of the earliest known depictions of a human face.
The figurine is small enough to fit into the chamber used for analysis.
The originators of the theory reported a causal connection between the ...
Carbon 14 dating metal
Hi all, I'm trying to get hold of some good resources regarding radiocarbon dating (or any dating methodologies for that matter).
Specifically on the age of coins, inscriptions etc.
In the new method, scientists place an entire artifact in a special chamber with a plasma, an electrically charged gas similar to gases used in big-screen plasma television displays.
The gas slowly and gently oxidizes the surface of the object to produce carbon dioxide for C-14 analysis without damaging the surface, he said.
Carbon-14 dating is a way of determining the age of certain archeological artifacts of a biological origin up to about 50,000 years old.
It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.Scientists have developed a new method to determine the age of ancient mummies, old artwork, and other relics without causing damage to these treasures of global cultural heritage.Reporting at the 239th National Meeting of the American Chemical Society (ACS), they said it could allow scientific analysis of hundreds of artifacts that until now were off limits because museums and private collectors did not want the objects damaged.Ancient Japanese gold leaf artists were truly masters of their craft.An analysis of six ancient Namban paper screens show that these artifacts are gilded with gold leaf that was hand-beaten to the ...A child mummy is found high in the Andes and the archaeologist says the child lived more than 2,000 years ago.