Dating the site
One of the most difficult aspects of research at Happisburgh has been establishing the age of the artefacts found there. The site is far too old for radiocarbon dating, which can only be used to date sites that are younger than about 50,000 years old. Instead, a combination of several types of evidence has allowed us to establish the age of the site with some certainty.
These include the geological context, measurements of the earth’s magnetic field at the time the deposits were laid-down (palaeomagnetism), as well as evidence from plants and animals (some of which are now extinct). The diagrams below show how these methods have been used to date the site.