The three main rock types of Assynt are in view here: Lewisian gneiss in the foreground, Cambrian quartzite on the lower slopes of Quinag and Torridonian sandstone on the ridge around Sail Gharb to the right.
Uploaded to Geograph by Jim Barton on 19 September 2015
Photo © Jim Barton, 19 September 2015. Licensed for reuse under this Creative Commons licence