A research team examined the Newall boulder at Stonehenge to solve its origin mystery. They focused on whether it was transported by glaciers or humans. Geochemical analysis revealed it matches rocks from Craig Rhos-y-Felin in Wales, supporting human transportation over 125 miles. No evidence suggested it was a glacial erratic. Stone quarrying evidence at the origin site dates back to around 3000 BCE. Identical thorium and zirconium levels between the Newall boulder and Welsh stones further confirm the human involvement in its movement to Stonehenge.
The research team led by Professor Richard Bevins concluded there is no evidence that the Newall boulder arrived as a glacial erratic, supporting human transportation instead of glacial movement.
Chemical analysis of the Newall boulder revealed identical levels of thorium and zirconium with the stone at Craig Rhos-y-Felin, suggesting a deliberate human effort in transportation.
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