Colorado Geology

A sampler of the geological highlights of Colorado.

Plus a sketch of the state's geology and links to a huge classic map from the U.S. Geological Survey.

Share your photos of Colorado's geological attractions.

The "Colorado Geology" section of this state site has a wide assortment of facts, factoids, maps and photos.

A wide and deep site by high-school geology teacher John Ghist, with maps, tours, galleries and much more. No longer at geocities.com.

Jeremy McCreary is a physician by day and a passionate amateur of geology and photography the rest of the time. His site is enthusiastic, beautiful and unrestrained.

A deep page of mines and stone sources from Peggy Perazzo's Quarries and Beyond site.

One of America's most remote and spectacular places is in central Colorado.

Thegeozone.com presents detailed information on lost mines and lodes from Colorado.

The city has a great section on this subject.

The National Center for Atmospheric Research is in a spectacular geologic setting for this 4-km hike.

The Denver Museum of Nature & Science commissioned a series of large murals illustrating Denver at 13 different times in geologic history—and where to see the corresponding rocks.

One of the world's greatest dinosaur fossil sites and a National Natural Landmark, Dinosaur Ridge is west of Denver and always open for visits.

Dinosaur tracks and other fine fossils are preserved in a National Natural Area.

Trail-side geology of several localities near Lakewood.

The plateau lands north of Grand Junction are preserved in this remote park.

Pictures of the distinctive Fountain Formation of the Colorado Front Range exposed at Red Rocks Park.

Straddling the Utah line is this world-class attraction.

This organization meets bimonthly, except summer, in Durango.

One of the world's foremost fossil sites is in the Rockies west of Colorado Springs.

An article in GSA Today reports on rocks and fossils retrieved from construction projects and drilling.

Geological highlights of the Glenwood Springs area, between Grand Junction and Aspen.

Geologic highlights of the Golden area, west of Denver.

Half of Colorado is in the Great Plains, and this U.S. Geological Survey bulletin is where to start.

The tallest dunes in North America are here near the Sangre de Cristo Mountains.

Field guide for "Dash with the Dinosaurs," a cross-country bicycle trip to a remote dinosaur site on the Purgatoire River in the High Plains of southeastern Colorado. (PDF)

A long page of notes from the National Park Service.

A detailed road log from a hard-core field trip over the range from Westcliffe to Crestone in southe-central Colorado.

James Aber of Emporia University put this up for his students, but you can see it too.

Even if you don't follow petrology, the photos on Brian Penn's site will draw you to this area near Trinidad.

About.com's David Sweet guides you to the best outdoor places to stay.

About.com's Matt Rosenberg helps get you oriented.

About.com's Darren Smith shows you the best ways to get around.

About.com's Bob Strauss shows them and tells you more.