The Quest for the Altar Stone Source

https://www.independent.co.uk/news/uk/home-news/stonehenge-altar-stone-richard-bevins-b2889034.html

Inside the quest for the origin of Stonehenge’s Altar Stone

After Orkney was ruled out as the origin for Stonehenge’s Altar Stone, geologists now have their eyes on north eastern Scotland

.. Prof Bevins is staring at a mapped area 125 miles by 93 miles, determined to discover the exact location the stone was quarried, before being transported more than 500 miles to the West Country.

The Orcadian Basin, where there are old red sandstone deposits believed to be the source of the altar stone - Mike Norton/Wiki Commons

“When we publish a paper [on Stonehenge] you can almost clock it going around the world across time zones. News, television channels, online. It really is quite astonishing. We’re hoping to achieve the same results again soon.”