General
January 10, 2020
Welcome to the final CGS/RockTalk web iteration
If you want to find out what's happening with the new CGS site, read here! Apologies for the incompleteness, it will improve on a daily basis, we promise!
General
General
December 13, 2019
Quote: Robert Frost, geohazards expert
Not only sands and gravels Were once more on their travels, But gulping muddy gallons…
General
April 5, 2019
Site development
We’re excited to finally get down to the next round of our web development with Fireant…
General
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,…
Hazards
May 16, 2017
AASG 2017 John C. Frye Memorial Award for CGS publication
The Association of American State Geologists announced that their annual John C.
General
May 15, 2017
OF-16-03 Colorado Rocky Mountain Front Profiles
Can you name the features of the endless Rocky Mountain skyline as seen from the Front…
General
February 17, 2017
IS-79 Colorado Mineral and Energy Industry Activities 2015-16
The current annual Colorado Mineral and Energy Industry Activities report 2015-16 is now available. Following up…
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…
General
March 4, 2005
Dr. Cílek on the Bohemian karst
Dr. Cílek, the Director of the Czech Republic’s Academy of Sciences Institute of Geology delivers a…
General
March 11, 1909
Mines and Minerals: the early Survey
While a number of brilliant men have in past years held the office of Colorado State Geologist, it is no…
General
March 28, 1907
Concerns about the new survey
Regarding the Colorado Geological Survey (an article appearing in the Mining Reporter, March 1907): We note that one of our…