The Las Vegas area is world famous for its geology, and a great starting point for nature hikes and geological observations.
This web site shares information about geological features that people can see or have seen near Las Vegas, and how to interpret those features.
Anyone can contribute with questions, answers, and comments in the discussion group here. (So far, only Allan Krill is getting it started.)

Geology Field Trip program (March 25-April 2, 2023)


Geologic map of the Lake Mead area. (Don't start here. You might want to use this map after you know more about geology.)


Frenchman Mountain

Trilobites at Frenchman Mountain

Trace fossils at Frenchman Mountain

Crinoidal limestone in Rainbow Garden, just east of Frenchman Mountain

Hot rocks in White Rock Canyon

Flash-flood polish of the walls of White Rock Canyon

Spooky Canyon is cut into ancient alluvial-fan deposits

Keystone Thrust and Frenchman Mountain: famous geologic locations

Fortification Hill

River Mountain geology posters

The Red-Black fault of the River Mountains

Nature Discovery Trail and Rock Garden in Boulder City

Rocks on the ancient land surface beneath the Keystone Thrust

Scenic 'underlook' shows deep weathering of granite

Black basaltic dikes cut white granite, and now both are weathered to breccia

The Bluff Trail

Owl Canyon Trail

Red Rock Canyon of Las Vegas