Archaeologists figure out mystery of Stonehenge bluestones Jun 24 2005 Staff Reporter, Western Mail ARCHAEOLOGISTS have solved one of the greatest mysteries of Stonehenge - the exact spot from where its huge stones were quarried. A team has pinpointed the precise place in Wales from where the bluestones were removed in about 2500 BC. It found the small crag-edged enclosure at one of the highest points of the 1,008ft high Carn Menyn mountain in Pembrokeshire's Preseli Hills. The enclosure is just over one acre in size but, according to team leader Professor Tim Darvill, it provides a veritable "Aladdin's Cave"...