Glandamackan valley between Skiddaw and Blencathra illustrates some features of the geology of the area. This walk is taken from 'Lakeland Geology' by Francis, Holmes and Yardley.
Andalusite slate, NY 299269
Slate recrystallised to form hornfels and cordierite, NY 298276. Much of the cordierite has worn away, leaving the pits in the rock surface.
There is also specimens of quartz and granite from the same site.
Granite from NY 300281, crumbly due to the effects of acid rain.
Junction between granite (below) and hornfels (above), NY 301281
Further examples of folded Skiddaw slate, NY 303282.
Skiddaw slate, NY taken on the Cumbria Way NY 293263.