Geology
March 24, 2018
A Brief History of Colorado Through Time (Geology of Colorado)
One of the many fascinating videos from our geo-friends up the road at University of Colorado-Boulder:…
education
The CGS remit includes educational outreach and provides a number of classroom-friendly publications, most are available for free to educators.
Minerals
February 19, 2018
What are diamonds?
Diamonds are formed from pure carbon, one of the most abundant elements on planet Earth. Diamonds, even from ancient times,…
Geology
January 31, 2017
MS-53 Colorado Stratigraphy Chart
A collaboration between the CGS and the Denver Museum of Nature & Science (DMNS) has resulted…
General
February 28, 2008
The biggest, the best, the first, and the most diverse…
We have a free 8.5- x 11-inch (pdf) geologic map of Colorado containing Geo-Whizology of Colorado…