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Dyffryn Mymbyr

Stone Circle

Dyffryn Mymbyr (Stone Circle) by thesweetcheat Detail of stones in the western arc.
thesweetcheat Image Credit: A. Brookes/C. Bickerton (17.11.2012)
Posted by thesweetcheat
18th November 2012ce
Edited 5th January 2015ce
NB: Unless otherwise stated, this image is protected under the copyright of the original poster and may not be re-used without permission.

Comments (3)

This is the stone that looks like it hasn't been exposed for too long .The top is very angular and unworn , no lichen ,unlike some of the others ,at the top too . tiompan Posted by tiompan
18th November 2012ce
The jagged top may suggest a recent-ish break, particularly given the effects of freezing/thawing in such a waterlogged place. The stone is slender and only a few inches thick - I could imagine it being broken off as easily as newly erected. The sides are smooth in comparison.

How does lichen fare in serious amounts of standing water? The circle is basically in the little lake shown on the 1/25000 map - which suggests that the water levels fluctuate and that when the survey was carried out the water was deeper than it is now. I think the circle may have been entirely submerged from time to time - none of the stones is taller than 0.5m and most are leaning.
thesweetcheat Posted by thesweetcheat
18th November 2012ce
The close ups seem to show lichen at the top on most of the others . Except the stone Pic 36 ,dunno if there is another ,but it also has the look and reddish lichens seen when stones are recently exposed e.g. beside ditches and tracks , although in this case it may have been under water . tiompan Posted by tiompan
18th November 2012ce
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