Volcanic Rock in Morsgail
Introduction
The photograph on this page of Volcanic Rock in Morsgail by John Tustin as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © John Tustin Taken: 30 Aug 2009
The holes in the rock indicate that the hot rock spewed into the water before it had set thus trapping the gas and producing these characteristic rocks.