
Energy
August 14, 2018
Geology of Uranium Deposits in Colorado
Uranium is a widespread and ubiquitous element. It has a crustal abundance of 2.8 parts per million, slightly more than…
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Energy
August 14, 2018
Uranium is a widespread and ubiquitous element. It has a crustal abundance of 2.8 parts per million, slightly more than…
Hazards
July 12, 2018
By Jonathan White, Senior Engineering Geologist, Emeritus At the end of the 19th and beginning of…
Geology
April 28, 2018
No Geologist worth anything is permanently bound to a desk or laboratory, but the charming notion that true science can…
Geology
March 24, 2018
One of the many fascinating videos from our geo-friends up the road at University of Colorado-Boulder:…
Minerals
February 19, 2018
Diamonds are formed from pure carbon, one of the most abundant elements on planet Earth. Diamonds, even from ancient times,…
Hazards
January 24, 2018
Hazards
December 30, 2017
Colorado has many areas susceptible to the problems that swelling soils cause. This video gives some…
Geology
November 15, 2017
Our friends over at the Colorado Division of Water Resources (CDWR) have just released Water Resources…
Hazards
September 12, 2017
Members of our geoscience staff are busy this week participating in the Annual Meeting of the…
Hazards
August 14, 2017
Dramatic landslide headscarp threatens this structure on Constellation Drive in Skyway, Colorado Springs, Colorado, May 2017. Photo credit: Jon Lovekin,…
Hazards
July 9, 2017
Earthquakes strike suddenly, violently, and without warning. While Colorado is not as seismically active as some places, it does have…
Geology
June 27, 2017
We’ve just uploaded the next of our free STATEMAP quadrangle map products to…
Hazards
May 16, 2017
The Association of American State Geologists announced that their annual John C.
General
May 15, 2017
(Ed: We’re reprising this blog post because we find that this poster is getting more and more popular with folks—for…
General
May 13, 2017
We’ve decided to revive one of our most popular print publications — RockTalk — as a blog so that…
Geology
April 12, 2017
We just uploaded the most recent of our STATEMAP mapping products to…
Publications
February 17, 2017
The current annual Colorado Mineral and Energy Industry Activities report 2015-16 is now available. Following up on the…
Geology
January 31, 2017
A collaboration between the CGS and the Denver Museum of Nature & Science (DMNS) has resulted…
Hazards
January 23, 2017
On May 25, 2014 the longest landslide in Colorado’s historical record occurred in west-central Colorado, six miles southeast of the small town of…
Hazards
September 3, 2016
The CGS recently installed the first of five new seismic recording stations that will collect information on seismic events around…
Hazards
May 5, 2015
[ED: Originally written by Jonathan White, Senior Engineering Geologist (emeritus staff) for a 2001 volume of…
Hazards
March 4, 2015
Deltares, an independent institute for applied research in the field of water and subsurface, hosted fifteen…
Hazards
March 13, 2013
This video, from the U.S. Geological Survey, explores the geological factors behind sinkholes and the related science. Narrated by Randall…
Hazards
August 22, 2011
[ED: Originally published in 2011 by Vincent Matthews, former State Geologist at the CGS.] Around midnight on August 22,…
Hazards
June 15, 2011
This video, produced by the CGS in 2011, examines the significant geo-hazards related to the long history of underground coal…
Hazards
February 10, 2011
This educational video, produced in 2011, explores the various problems that arise from hazardous soil conditions — expansive, collapsible/compressible, hydrocompactive,…
Hazards
July 10, 2009
The CGS studied the site of St. Francis of Assisi Church in Castle Rock extensively after a block detached from…
General
February 28, 2008
We have a free 8.5- x 11-inch (pdf) geologic map of Colorado containing Geo-Whizology of Colorado…
Hazards
July 6, 2005
The town of Glenwood Springs in west-central Colorado lies at the confluence of the Roaring Fork and Colorado rivers.
Hazards
June 21, 2005
Rockfalls and rock slides are common along transportation corridors in the Rocky Mountains. Clear Creek Canyon just west of Golden…