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Spaceship mark S
Spaceship mark Mar 11, 2008 15:24:25
Replying to beatles

Sarsen is exceptionally hard, the Pollisher on the Marlborough Downs still has a shiny surface and could be thousands of years older than Stonehenge.
The weathered appearance in mostly due to solution weathering that occured before the sarsen was lithified, ie before it was silcreted to become as hard as it is now.
The stones of Stonehenge are not much more ragged and weathered looking now than they were when they were erected. Fanciful reconstructions a la Inigo Jones, where they look all Roman and straight and shiny are just that, fanciful.
If I had the time I would scan a copy of my university dissertation 'The Sarsen Stones of the Marlborough Downs' in which I talk about the formation and subsequent history of the Sarsens.
Anyway, any wear and tear due to Stonehenge being used as a big granary would be very evident today.

D dee
dee Mar 11, 2008 15:30:14
Replying to Spaceship mark

I cant see Stonehenge being one of Hovis forerunners!!

B beatles
beatles Mar 11, 2008 15:59:57
Replying to Spaceship mark

Spaceship mark wrote:
Sarsen is exceptionally hard, the Pollisher on the Marlborough Downs still has a shiny surface and could be thousands of years older than Stonehenge.
The weathered appearance in mostly due to solution weathering that occured before the sarsen was lithified, ie before it was silcreted to become as hard as it is now.
The stones of Stonehenge are not much more ragged and weathered looking now than they were when they were erected. Fanciful reconstructions a la Inigo Jones, where they look all Roman and straight and shiny are just that, fanciful.
If I had the time I would scan a copy of my university dissertation 'The Sarsen Stones of the Marlborough Downs' in which I talk about the formation and subsequent history of the Sarsens.
Anyway, any wear and tear due to Stonehenge being used as a big granary would be very evident today.
thanks, i would love to read your thesis. where can i find it?

here again, if sarsen is so hard as to hardly weather in 3000 years then it is to hard to have been worn by wooden rollers passing over it... i do think however that whereas the uprights may show little wear today, the flat top of the sarsen ring is another mater. being level it would allow water to stand and freeze and would weather differently from verticle stones.

thanks, clyde