Window Rock is a large vertical fin of granite with a large hole through it, located along Shelf Road south of Cripple Creek, Colorado. I took this photo looking south from the north side of the fin. The granite itself is pre-Cambrian in origin, about 1.8 billion years old, just like the majority of the Pikes Peak/Front Range/Wet Mountains complex.
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Window Rock is a large vertical fin of granite with a large hole through it, located along Shelf Road south of Cripple Creek, Colorado. I took this photo looking south from the north side of the fin. The granite itself is pre-Cambrian in origin, about 1.8