West Cornwall - Geology
Basalt Dyke - Leggan Cove (S24)
One of the numerous black Basalt Dykes that cut through Dolerite and Gabbro near Leggan Point .
Dykes are sheet-like igneous intrusions .
When molten magma flows upward through near-vertical cracks (faults or joints)
toward the surface and cools, dykes are formed.
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Location - Leggan Cove (adjacent to Godrevy Cove) is between Coverack and Porthoustock in Gallery 24
Ref: 2945
Date: 05/03/2016
Location: SW 8070 2108