Tuesday, December 20, 2011

Scientists locate exact source of Stonehenge stone!



Scientists have located the exact source of the rock believed to have been used to create some of Stonehenge's first stone circle.

Researchers have been able to match fragments of stone from around the 5,000 year old monument with an outcrop of rock in south-west Wales.
The work - carried out by geologists Robert Ixer of the University of Leicester and Richard Bevins of the National Museum of Wales - has identified the source as a site called Craig Rhos-y-Felin, near Pont Saeson in north Pembrokeshire.
It is the first time that an exact source has been found for any of the stones thought to have been used to build Stonehenge.
The discovery has re-invigorated a long running debate as to whether the smaller standing stones of Stonehenge were quarried and brought from Pembrokeshire by prehistoric humans or whether they were carried all or part of the way to Wiltshire by glaciers hundreds of thousands of years earlier.
Archaeologists tend to subscribe to the 'human transport' theory, while geomorphologists often favour the glacial one.

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