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Re: Analysis of zircon crystals
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nigelswift wrote:
Remember this story 5 years ago? http://news.bbc.co.uk/1/hi/wales/south_west/5072664.stm

OU geologists saying they'd analysed bluestone axe heads found at Stonehenge and found they'd come from different locations in the Presellis ergo backing up their earlier work on the bluestones themselves and pointing at glaciation.

Not sure why the origin of the bluestones and the origin of the axes are necessarily connected. Nor actually why "different locations" automatically indicates glaciation. Doesn't WKLB have "foreign" stone incorporated into it?


All it amounts to , now that we have the Pont Saeson info , is that the axes should be spotted dolerite and not derived from the Pont Saeson rhyolitic , which is interesting . If some are rhyolitic then the beeb article is redundant .


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tiompan
Posted by tiompan
16th May 2011ce
07:44

In reply to:

Re: Analysis of zircon crystals (nigelswift)

1 reply:

Re: Analysis of zircon crystals (mountainman)

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