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December 20, 2011

Craig Rhos-y-felin

A new paper in Archaeology in Wales, produced by Dr. Rob Ixer of Leicester University and Dr. Richard Bevins of Amgueddfa Cymru of the National Museum Wales pinpoints the exact source of rock believed to have been used 5,000 years ago to build the first stone circle at Stonehenge.

Their recent discovery confirms that the Stonehenge rhyolite debitage originates from a specific 70m long area namely Craig Rhos-y-felin near Pont Saeson. Using petrographical techniques, Ixer and Bevins found that 99% of these rhyolites could be matched to rocks found in this particular set of outcrops. Rhyolitic rocks at Rhos-y-felin are distinctly different from all others in South Wales, which gives almost all of Stonehenge rhyolites a provenance of just hundreds of square metres.

More, including images of a suspiciously hengey outcrop, at the link.

Posted by Ghost of a flea at December 20, 2011 08:44 AM