West Cornwall - Geology
Granite sills in Tremearne Cliff .
The sills of the Tregonning - Godolphin Granite are believed to have originated as intrusions off
the main granite mass 270/280 million years ago.
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Location - Tremearne Cliff is between Rinsey and Porthleven in Gallery 21
Ref: 3165
Date: 19/04/2016
Location: SW 6024.2659