This is getting more and more exciting as a theory.

The idea that the bluestones were a pre-existing circle has been mooted before - and makes more sense than the reverse IMO but I seem to recall a geologist saying they all came from widely spread strata - is that correct?

One interesting effect of the theory is that it throws the glaciation one out of the window of course.

Another is that the sarsens are of secondary importance maybe, and are just there for show! Actually Goff, as a well groupie maybe you'll empathise with that - they're unlovely, a bit crass and maybe just there to provide an impressive setting to the really important bit - which is exactly what the Victorians did to a lot of sacred wells...

Bedd Arthur is of course the pearl that links the bluestones of Carn Meini to Stonehenge, a similar horseshoe arrangement, and one other of course, the 'stone river' that runs so dramatically below Meini. One other factor that makes a strong 'ancestral' link is the smaller natural stone carns that look like neolithic longbarrows, and also, though I never investigated it but took a long distance photo, was a ridge with a line of stones making their way down the ridge..thats where I got my 'teeth' imagery. The creative act of looking at a sacred landscape can easily be visualised here....

And I forgot to say that if we could get rid of all the modern day paraphenalia round Stonehenge, and viewed it as something that amassed its history over centuries with all the barrow cemeteries round it, the truth might become clearer ;)