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Spectacular multi-colored rock formations dominate Lake Mead National Recreation Area’s desert landscape. Hidden within these multi-colored rocks lies the story of over two billion years of geologic time; nearly half of the Earth’s 4.5 billion-year history!

Explore this region’s dynamic geology as we take you on a journey back through time.

This site is under development by the staff of Lake Mead National Recreation Area and the United States Geological Survey. Please share your comments and suggestions with us.

Geology of Lake Mead NRA home | US Geological Survey home
National Park Service home | Lake Mead NRA home
Education resources | Technically speaking
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| USGS Geology in the Parks home | NPS Park Geology Tour home |

This site is a cooperative project of the
US Geological Survey Western Earth Surface Processes Team
and the National Park Service.

Please share your comments and suggestions with us!
This page was last updated on 4/5/99

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