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.
Sinen Gill
Andalusite slate, NY 299269
Andalusite slate
Andalusite slate specimen
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.
Hornfels and cordierite
Hornfels and cordierite
Hornfels and cordierite specimen
Quartz specimen
Granite from NY 300281, crumbly due to the effects of acid rain.
Granite specimen
Granite specimen
Junction between granite (below) and hornfels (above), NY 301281
Hornfels above, skiddaw granite below
Hornfels specimen
Skidded slate specimen
Quartz specimen
Folded Skidded slate, with lichen in the folds.
Further examples of folded Skiddaw slate, NY 303282.
Skiddaw slate, NY taken on the Cumbria Way NY 293263.
