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Cornish monument is 4k years older than was thought and 'without parallel'
Original purpose of King Arthur’s Hall is a mystery and archaeologists say it is unique in Europe
The rectangular monument was built not in the early medieval period to corral livestock, as recorded by Historic England, but rather in the middle Neolithic, between 5,000 and 5,500 years ago, archaeologists have discovered. Cornwall National Landscape, which looks after the county’s protected land, commissioned the excavation after initial investigations by a group of local amateurs raised questions about its medieval attribution, Gossip said. Through careful excavation and soil dating, using optically stimulated luminescence (OSL), members of the Cornwall Archaeological Unit and experts from the universities of Reading, St Andrews and Newcastle established that the interior of the monument had been dug away about 3000BC.
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