uranium-thorium dating

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Current Archaeology 339

It is always a joy and a privilege to visit excavations on behalf of CA, but I seldom get to see a dig on the scale of the project currently under way beside the A14 between Cambridge and Huntingdon. There, major road improvement works are allowing an entire historic landscape to be explored in minute […]

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Science Notes – Palaeolithic cave art and uranium-thorium dating

In this month’s ‘Science Notes’, we are discussing yet another form of dating: uranium-thorium (U-Th) dating, also known as uranium-series dating. Readers may already be aware of the technique, as it has featured a few times in research covered by CA over the years (see CA 83, 93, and 259), but recently it made international headlines for its use in determining that cave paintings in Iberia pre-date the presence of modern humans.