www yourdatingpage com standard - How do archaeologists use radiocarbon dating

Organic matter, being porous, can easily be contaminated by organic carbon in groundwater.

This increases the C12 content and interferes with the carbon ratio.

A petrified miner’s hat and wooden fence posts were unearthed from an abandoned 19th century gold hunter’s town in Australia’s outback.

how do archaeologists use radiocarbon dating-40

As with any radioactive particle it decays over time. Libby in 1948 at the University of Chicago, showed that C14, tested in his laboratory, decayed at the rate that, projected out, would cause half of its weight to be lost in 5568 years.

Hence, the term ‘half-life’ was given to radioactive substances.

The most important archaeological dating method is radiocarbon dating.

It is a technique that can yield absolute dates with accuracy up to approximately 5000 years before present.

Radiocarbon or C14 dating employs complex systems of measuring the unstable isotopes in once living matter.

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