Painted wall of | [ Sizes: Orig | Large | Med | Small | Thumb ] | |
Black Canyon of the Gunnison, Colorado. Pegmatite dikes- bends of lighter colored igneous rock, it is more resistant to erosion than the dark gneisses into which they intrude. |
Painted wall of | [ Sizes: Orig | Large | Med | Small | Thumb ] | |
Black Canyon of the Gunnison, Colorado. Pegmatite dikes- bends of lighter colored igneous rock, it is more resistant to erosion than the dark gneisses into which they intrude. |