Can radiocarbon dating be used on bones

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The relative dating method worked very well, but only in sites which were had a connection to the relative scale. When radiocarbon dating was developed, it revolutionised archaeology, because it enabled them to more confidently date the past, and to build a more accurate picture of the human past.

The archaeologist Colin Renfrew (1973) called it the development of this dating method 'the radiocarbon revolution' in describing its great impact upon the human sciences.

The job of a radiocarbon laboratory is to measure the remaining amounts of radiocarbon in a carbon sample.

This is very difficult and requires a lot of careful work to produce reliable dates.

The radiocarbon method was developed by a team of scientists led by the late Professor Willard F.

Libby of the University of Chicago after the end of World War 2.

After twice that time (about 11000 years), another half of that remaining amount will have disappeared.

After another 5568 years, again another half will have disappeared.

Today, there are over 130 radiocarbon dating laboratories around the world producing radiocarbon dates for the scientific community.They used pottery and other materials in sites to date 'relatively'.They thought that sites which had the same kinds of pots and tools would be the same age.In the 1940s, scientists succeeded in finding out how long it takes for radiocarbon to disappear, or decay, from a sample of carbon from a dead plant or animal.Willard Libby, the principal scientist, had worked in the team making the nuclear bomb during World War 2, so he was an expert in nuclear and atomic chemistry.Carbon follows this pathway through the food chain on Earth so that all living things are using carbon, building their bodies until they die.

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