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To browse Academia. Skip to main content. You're using an out-of-date version of Internet Explorer. Log In Sign Up. Marie-helene Moncel. Carolyn Barshay-Szmidt. Camille Daujeard. This site is situated in a key location regarding population Available online 8 July dispersal and potential interaction between Neanderthals and modern humans, as it lies at the crossroads of two main routes of passage. Attributing the upper sequence of this site Presented by Yves Coppens to a precise chronological period within the Mousterian was difficult until now.
Radiocarbon dating also referred to as carbon dating or carbon dating is a method for determining the age of an object containing organic material by using the properties of radiocarbon , a radioactive isotope of carbon. The method was developed in the late s at the University of Chicago by Willard Libby , who received the Nobel Prize in Chemistry for his work in It is based on the fact that radiocarbon 14 C is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen. The resulting 14 C combines with atmospheric oxygen to form radioactive carbon dioxide , which is incorporated into plants by photosynthesis ; animals then acquire 14 C by eating the plants.
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