Arches National Park - Delicate Arch at Sunset
Lathrop Canyon Observation Point in Canyonlands National Park
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Capitol Reef National Park at Sunrise
The Precambrian gneiss and schist that make up the majority of the steep walls of the black canyon formed 1.7 billion years ago during a metamorphic period brought on by the collision of ancient volcanic island arcs with the southern end of what is present-day Wyoming. The lighter-colored pegmatite dikes that can be seen crosscutting the basement rocks formed during this period as well.
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The Watchman in Zion National Park at Sunset