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Research published in Nature identifies the Altar Stone at Stonehenge as likely originating from northeast Scotland, overturning previous theories that it came from Wales. The Altar Stone is unique in the monument," says study co-author Richard Bevins, highlighting its distinct size, weight, and rock type, Newsweek reports. The study suggests the stone's transport over 400 miles to Stonehenge reflects advanced Neolithic trade and transportation systems. Researchers used age and chemical analysis to match the stone's mineral grains to those in the Orcadian Basin of northeast Scotland, marking a significant breakthrough. Given the challenging terrain, scientists believe the stone was likely transported via a sea route, showcasing the ingenuity of the monument's builders. Study author Vashan Wright states, "Understanding the Martian water cycle is critical for understanding the evolution of the climate, surface, and interior," underscoring the broader implications of the findings. Some researchers speculate the stone might have been moved by glacial activity partway, with humans completing the journey. "There is no direct archaeological evidence of this—no quarry site has been identified," notes geologist Jake Ciborowski, though he supports the study's conclusions
The findings suggest that the Altar Stone's selection and transport reflect its cultural importance to the builders of Stonehenge. The next step is to pinpoint the exact location within the Orcadian Basin where the stone originated, adding another piece to Stonehenge's puzzle.
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