Stonehenge rocks Wales, “What’s really exciting about these discoveries”

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Stonehenge rocks Wales, “What’s really exciting about these discoveries”.

Scientists have discovered the exact location of the quarries where dozens of Stonehenge’s massive stones came from, a new study says.

In addition to pinpointing the location of the quarries – in western Wales, about 290 kilometres away from Stonehenge – archaeologists also now say they know how and when the stones were quarried.

“What’s really exciting about these discoveries is that they take us a step closer to unlocking Stonehenge’s greatest mystery – why its stones came from so far away,” said study lead author Mike Parker Pearson of University College London.

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“Every other Neolithic monument in Europe was built of megaliths brought from no more than 10 miles [16km] away.”

The answer? The stones were quarried so far away from Stonehenge because they were relatively “easy” to remove, Pearson theorises, since they were already natural vertical pillars: Using wood mallets, quarry workers only had to bash wedges into the ready-made joints between the pillars to break them apart, according to the study.

The 1.8 tonne stones were then lowered onto wooden sledges and dragged or carried to their new location in present-day England.

The quarried stones are the interior rocks of Stonehenge, separate from the larger outer ring.

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Unlike stone quarries in ancient Egypt, where obelisks were carved out of the solid rock, the Welsh quarries were easier to exploit, the study said.

While geologists have long known that many of Stonehenge’s smaller stones came from present-day Wales, the new study identifies the exact locations of two of these quarries: the Preseli hills in Pembrokeshire, west Wales.

As for when the stones were quarried, the study suggests roughly 3000 BC based on pieces of charcoal found at the site, which were dated to that era.

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The stones now at Stonehenge may have been part of a circle of stones in Wales, which might have been disassembled and reassembled at its present location.

Stonehenge, one of the most impressive prehistoric megalithic monuments on Earth, is a World Heritage site known for its alignment with the movements of the sun.

Thousands of people travel there each year to mark the solstices in summer and winter. Built in several phases from 2900 BC to 1650 BC, the stones have figured in numerous debates, both scholarly and whimsical, over their origins.

Wednesday’s study was published in the peer-reviewed archaeology journal Antiquity.

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