Sorry, had a bit of a delay.
I obviously wasn't that clear - there is no imminent danger of collapse but two things are happenning. One is that the voids above the tunnels are perhaps making their way gradually towards the surface at a very slow pace. If this is happening archaeology is redeposited out of context in a lower position and perhaps broken up and lost - and although this is only a small area it could in very simplistic terms lead to a trench appearing on the surface. The second thing that is happenning is that material underneath Silbury has been damaged by air and water and will be lost unless they go in and get it.
I expect this is clear as chalk
VBB
 Reply | with quote | Posted by VenerableBottyBurp
1st June 2005ce
23:46 |
When Silbury is tunnelled (Littlestone, May 30, 2005, 23:46)- Re: When Silbury is tunnelled (smallblueplanet, May 31, 2005, 09:05)
- Re: When Silbury is tunnelled (nigelswift, May 31, 2005, 12:22)
- Re: When Silbury is tunnelled (Pilgrim, May 31, 2005, 13:05)
- Tilting the World: an open letter to Julian (Littlestone, May 31, 2005, 21:41)
- Re: Tilting the World: an open letter to Julian (smallblueplanet, May 31, 2005, 21:53)
- Re: Tilting the World: an open letter to Julian (follow that cow, May 31, 2005, 22:21)
- Re: Tilting the World: an open letter to Julian (smallblueplanet, May 31, 2005, 22:23)
- Re: Tilting the World: an open letter to Julian (PeterH, May 31, 2005, 22:26)
- Re: Tilting the World - and sliding off-topic (Pilgrim, May 31, 2005, 22:38)
- Re: Tilting the World: an open letter to Julian (follow that cow, May 31, 2005, 22:45)
- Re: Tilting the World: an open letter to Julian (BrigantesNation, Jun 01, 2005, 01:45)
- Re: Tilting the World: an open letter to Julian (archae_logical, May 31, 2005, 23:22)
- Re: Tilting the World: an open letter to Julian (BrigantesNation, Jun 01, 2005, 01:44)
- Re: Tilting the World: an open letter to Julian (BrigantesNation, Jun 01, 2005, 01:40)
- Re: Tilting the World: an open letter to Julian (jimit, Jun 01, 2005, 09:42)
- Re: Tilting the World: an open letter to Julian (Littlestone, Jun 08, 2005, 21:15)
- Re: When Silbury is tunnelled (nigelswift, May 31, 2005, 23:28)
- Re: Hang on Hang on ! (VenerableBottyBurp, Jun 01, 2005, 11:21)
- Re: Hang on Hang on ! (Littlestone, Jun 01, 2005, 11:46)
- Re: Hang on Hang on ! (nigelswift, Jun 01, 2005, 12:56)
- Re: Hang on Hang on ! (VenerableBottyBurp, Jun 01, 2005, 14:19)
- Re: Hang on Hang on ! (smallblueplanet, Jun 01, 2005, 18:42)
- Re: Hang on Hang on ! (nigelswift, Jun 01, 2005, 19:32)
- Re: Hang on Hang on ! (Jo-anne, Jun 01, 2005, 20:09)
- Re: Hang on Hang on ! (smallblueplanet, Jun 01, 2005, 20:25)
- Re: Hang on Hang on ! (VenerableBottyBurp, Jun 01, 2005, 20:26)
- Re: Hang on Hang on ! (Jo-anne, Jun 01, 2005, 21:53)
- Re: Hang on Hang on ! (VenerableBottyBurp, Jun 01, 2005, 23:46)
- Re: Hang on - how about this? (nigelswift, Jun 02, 2005, 07:30)
- Re: When Silbury is tunnelled (goffik, Jun 04, 2005, 21:04)
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Head To Head 
Re: Hang on Hang on ! (Jo-anne)