Friday 28 September 2012

Friday Photo (50) - Britain's Geological Wonders - Arran

ARRAN, UNITED KINGDOM - DRUMADOON SILL
Drumadoon Sill, found on the Island of Arran in Scotland, is a spectacular example of this type of igneous feature, formed when molten rock forces its way in between two layers of rock below the ground.
(c) Geology for Global Development 2012