Thread: Tessellated Pavement
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Old 01-09-2012, 09:17 PM
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Regulus (Trevor)
Regulus - Couer de Leon

Regulus is offline 		 
Join Date: Nov 2011
Location: Devonport, Tasmania
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Marc, I believe they are the tops of Basalt Pillars as in the Giants Causeway.
http://en.wikipedia.org/wiki/Giant%27s_Causeway

The could go down for 10 to 100s of metres. There are some good photos if you Google Basalt Column.
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