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Brown Penmon Limestone
This stone is older than it looks. Send it to someone five minutes away.
Just found Brown Penmon Limestone in Beaumaris Castle.
Asbian, Lower Carboniferous limestone, quarried at Penmon, Anglesey, Wales. Nearest stop: Llanfairpwllgwyngyll.
This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3484-beaumaris-castle/
The closest other recorded buildings.
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