Minerals
April 13, 2023
IS-85 Colorado Mineral and Energy Industry Activities 2021-2022
The current annual Colorado Mineral and Energy Industry Activities report for 2021-22 is now available. Following up on…
Minerals
Minerals
February 3, 2022
IS-84 Colorado Mineral and Energy Industry Activities 2020-2021 – bibliography
Every year, the CGS Minerals section prepares a comprehensive survey of the mineral and energy industries across the state. The…
Geology
June 3, 2021
New GIS data and maps
For those of you who are subscribers to the CGS announcement list, we want to direct your attention to a…
Geology
April 15, 2021
A few new publications
For those of you who are recent subscribers to the CGS mailing list, we wanted to direct your attention to…
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…
Energy
February 18, 2020
Colorado’s Uranium Deposits
[Ed: this document, written in 2011 by Jim Burnell, Ph.D., P.G. (former Senior Minerals Geologist, Colorado Geological Survey), provides an…
Geology
October 16, 2019
Creede: The Last Boom Town
This RMPBS/Colorado Experience video explores the vibrant mining history of Creede, Colorado.
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…
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,…
Publications
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 on the…
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…