Stonehenge - Bluestones Dated To 12000bc (And Might Be From Ireland)

In the 1920s the most extensive excavation and restoration on record was undertaken at Stonehenge offering the opportunity to answer many questions, none least of which was the origin of the so-called "Bluestones". As petrographer to the Geological Survey, Dr. H. H. Thomas would have been aware of the distribution of the variety of stones foreign to Stonehenge (around Great Britain at least) and in 1923 placed their origin in the Prescelly Mountains, Pembrokeshire, Wales. Complete article at ...