Geology
June 5, 2024
Cumbres & Toltec Geology Train – June 9th, 2024
Many of you know and love the Geology Train – the Colorado Geological Survey’s twice-annual partnership with the Cumbres &…
Geology
June 5, 2024
Many of you know and love the Geology Train – the Colorado Geological Survey’s twice-annual partnership with the Cumbres &…
May 31, 2024
Geothermal In Colorado: Resources, Use Strategies, and Impact Considerations In this study, the Energy and Carbon Management…
May 3, 2024
April 15, 2024
The purpose of this publication is to describe the geology, mineral and groundwater resources, and geologic hazards of the Windsor…
April 10, 2024
March 18, 2024
Store Maintenance The Store is Temporarily Down. Sorry for the Inconvenience. Please check back later.
February 13, 2024
February 7, 2024
February 1, 2024
The next edition of our annual Colorado Mineral and Energy Industry Activities report is ready for download. This edition is…
January 15, 2024
The CGS develops and provides a variety of geologic hazard maps for various state and local governments with land use…
January 15, 2024
The CGS develops and provides a variety of geologic hazard maps for various state and local governments with land use…
January 12, 2024
Funded through a grant from the Colorado Department of Public Health & Environment (CDPHE) the CGS is…
January 11, 2024
Funded through a grant from the Colorado Department of Public Health & Environment (CDPHE) the CGS is…
January 10, 2024
Geology
November 30, 2023
Following up on last year’s popular geological photo tour around the state, we’re proud to share this next collection from…
Geology
November 21, 2023
[ED: On the occasion of releasing a new dataset: ON-004-04D Data tables of detrital zircon U-Pb…
November 7, 2023
November 2, 2023
As the CGS continues its research and mapping in the Front Range, it routinely collects and evaluates isotopic age and…
October 3, 2023
August 23, 2023
The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It…
August 22, 2023
This 30×60 minute map, provided as a digital GIS dataset only, is a 2022 compilation of the original 1989 USGS…
August 16, 2023
Geology
August 9, 2023
This year’s September 10th Geology Train — a very special and popular opportunity to enjoy…
Hazards
August 7, 2023
Although the US wildfire season this year doesn’t seem quite as intense as prior ones, we thought this excellent primer…
July 31, 2023
James McCalpin…
June 16, 2023
This illustrated road log is intended to accompany participants on the annual Geotrain excursions offered by the…
May 3, 2023
Minerals
April 13, 2023
The current annual Colorado Mineral and Energy Industry Activities report for 2021-22 is now available. Following up on…
April 7, 2023
This report extends our county-based geology and groundwater series and provides a regional overview with the general…
Geology
March 30, 2023
Underwritten with special supplemental funding though the US Geological Survey (USGS) STATEMAP Program, we digitized, re-compiled, and quality-controlled several…