Recent research has upended a century-long belief regarding the origins of the Altar Stone at Stonehenge, revealing it actually comes from the Orcadian Basin in northeastern Scotland rather than nearby Wales.

The study, published in the journal Nature on August 14, 2024, utilized chemical analysis to trace the stone's geological composition.

Researchers analyzed mineral grains from the Altar Stone, confirming its match with sedimentary rocks known as Old Red Sandstone found in Scotland.

The findings indicate that the Altar Stone was transported over 435 miles, significantly farther than previously believed.

Transportation of the stone likely occurred via maritime routes, as overland transport would have been impractical given its weight and the distance involved.

This research supports the idea that Neolithic communities engaged in long-distance travel and had complex social structures, suggesting advanced transportation methods.

Co-author Professor Richard Bevins emphasized the significance of these findings, stating they overturn long-held assumptions about the stone's origins.

Dr. Robert Ixer from University College London described the findings as shocking, raising questions about the logistics of transporting the Altar Stone over such a long distance.

Geologist Nick Pearce noted that the unique geological characteristics of the stone are not found elsewhere in the UK, reinforcing the study's conclusions.

Anthony Clarke, the lead author of the study, expressed gratitude for the support received during the research, which has significant implications for our understanding of ancient societies.

Previous research had already cast doubt on the Altar Stone's Welsh origins, paving the way for this groundbreaking study.