Stonehenge 181
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Stonehenge

Analysis of zircon crystals

nigelswift N
nigelswift May 16, 2011 06:45:39
Replying to Littlestone

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?

S Sanctuary
Sanctuary May 16, 2011 07:31:01
Replying to nigelswift

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?

At the end of the day what does 'common sense' tell you. Glaciation or sheer darn hard and unrealistic work hauling not one stone but many 240 miles? I sometimes think we overestimate what our ancestors did. I don't suppose many of them even knew where Prescelli was let alone think it a good idea to punish themselves any more than they had to with such a gigantic enterprise. I'm all for the stones being reasonably close by.

T tiompan
tiompan May 16, 2011 07:44:21
Replying to nigelswift

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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