Geologists may have solved the mystery of the origin of the Altar Stone central to the ancient monument of Stonehenge on the Salisbury Plain in Wiltshire, England.
The Altar Stone was long believed to have traveled 150 miles from Preseli Hills in Southwest Wales with the other megaliths until later work discounted that theory.
According to new research published in the scientific journal Nature, the 6-ton Altar Stone may have taken a longer journey of 600 miles from Northern Scotland.
“The difficulty of long-distance overland transport of such massive cargo from Scotland, navigating topographic barriers, suggests that it was transported by sea,” the study said. “Such routing demonstrates a high level of societal organization with intra-Britain transport during the Neolithic period.”...
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