
Geology
November 24, 2020
Re-introducing: Historic Metal Mining Districts
As the reconstruction of our website continues, we recently redeployed a popular package of information that was compiled and made…
Mining is the excavation of valuable material from the earth. Researching and mapping of abandoned mines of the state is a primary role for the CGS.
Geology
November 24, 2020
As the reconstruction of our website continues, we recently redeployed a popular package of information that was compiled and made…
Energy
February 18, 2020
[Ed: this document, written in 2011 by Jim Burnell, Ph.D., P.G. (former Senior Minerals Geologist, Colorado Geological Survey), provides an…
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…
Publications
February 17, 2017
The current annual Colorado Mineral and Energy Industry Activities report 2015-16 is now available. Following up on the…
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
November 20, 1980
General
March 11, 1909
While a number of brilliant men have in past years held the office of Colorado State Geologist, it is no…