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Hill of Prieston
Cup and Ring Marks / Rock Art
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Fieldnotes
an example of natural "cups "
Posted by
tiompan
18th February 2010ce
Comments (2)
How are they formed? I'm interested mostly in the rings around the cups.
Posted by
faerygirl
18th February 2010ce
The ones in the pic were more than likely "pebble drop"
No rings there though . Natural "rings " have a variety of possible explanations , diagenesis is one .see the first pic here .
http://rockartuk.fotopic.net/c748555.html
Posted by
tiompan
18th February 2010ce
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