In Conclusion
Conclusion The Theory here, begins with people in Early Neolithic times being able to walk from Caithness to Orkney until 3000BC., it continues by suggesting that a land bridge that joined Caithness to Orkney was washed away at that date. The evidence that I hope I have demonstrated to support the theory is as follows:- The population of Orkney drops after 3000BC. Barnhouse and many small settlements are abandoned in 3000BC. The Stones of Stenness and Ring of Brodgar are abandoned, unfinished, probably at that date. The Westray islands are (mostly) abandoned at 3000BC, and not colonised again until the second half of the 3rd millennium BC. Skara Brae, and the Ness of Brodgar, both have dated deposits from before 3000BC indicating some kind of occupation, but not till after 3000BC are the revolutionary solid structures with stone lined drains and other necessary amenities designed and constructed. The dates of the human bones found in the cairns...