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Wednesday, 16 June 2010

Not oncoliths but rodoliths!

Thanks to Professor Paul Wright I've now identified the round balls we found in Messinian sediments at Cala Cuerva in Almeria as rodoliths - balls created by red algae as it rolls back and forth - see the Wikipedia entry

From the top - close up of a rodolith






The exposure on the south side of Cala Cuerva












The rodolith bed
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