Malaga cove archaeological site carbon dating avg license not updating

The researchers found that certain soft tissues — notably blood, nails and hair — had radiocarbon levels identical to the contemporary atmosphere.Therefore, the radiocarbon level in those tissues post-mortem would indicate the year of death.Radiocarbon dating is a widely applied absolute dating method in archeology.

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In contrast, from 1955 to 1963, atmospheric radiocarbon levels almost doubled.

Since then they have been dropping back toward natural levels.

The researchers found that year-of-death determinations based on nails were accurate to within three years.

The generally poor post-mortem preservation of soft tissues would be a limiting factor to this approach.

Unlike tooth enamel, soft tissues are constantly being made and remade during life.

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