Geology
November 30, 2023
2024 Colorado Geology Calendar
Following up on last year’s popular geological photo tour around the state, we’re proud to share this next collection from…
RockTalk
Geology
November 21, 2023
Case Study: detrital zircon
[ED: On the occasion of releasing a new dataset: ON-004-04D Data tables of detrital zircon U-Pb…
Geology
August 9, 2023
Cumbres and Toltec Geology Train
This year’s September 10th Geology Train — a very special and popular opportunity to enjoy…
Hazards
August 7, 2023
Wildfires 101
Although the US wildfire season this year doesn’t seem quite as intense as prior ones, we thought this excellent primer…
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…
Water
November 11, 2022
Case study: Fluvial Hazard Zone
“The Fluvial Hazard Zone (FHZ) is defined as the area a stream has occupied in recent history, may occupy, or…
Hazards
September 23, 2022
The Great Colorado ShakeOut 2022
It’s coming up in less than four weeks! The Great Colorado ShakeOut is a public earthquake drill that takes place…
admin
September 12, 2022
Introducing our new Director
Matt Morgan, Colorado Geological Survey, Director and Colorado State Geologist, Red Rocks Park, Morrison,…
Geology
September 7, 2022
MS-53 Colorado Stratigraphy Chart
A collaboration between the CGS and the Denver Museum of Nature & Science (DMNS) has…
Geology
August 16, 2022
The Great ShakeOut
The origins of The Great ShakeOut project lie, unsurprisingly, in Southern California, one of the more…
General
July 27, 2022
Earth Explorations vlog/podcasts
Dr. Christian Shorey—Teaching Professor of Environmental Science and Climatology in the Geology and Geological Engineering Department…
Hazards
July 21, 2022
Case Study: NARD
Are pristine mountain waters always clean and pure? Can streams unaffected by human activities and livestock influences be unfit…
Geology
May 19, 2022
Fremont County geologic attractions
Fremont County, two hours south of Denver, is located on the south-central Front Range of Colorado in a geological region…
Geology
May 10, 2022
Golden Rocks: The Geology and Mining History of Golden, Colorado
We’ve received the go ahead to help distribute this marvelous (and FREE!) 100+ page digital publication from the talented…
Geology
April 21, 2022
Unfolding the Geology of the West
Our collaborators and friends up in Boulder at the Geological Society of America (GSA) are making…
Geology
April 11, 2022
Case Study: Lykins Formation
Small but significant areas of Colorado are underlain by bedrock that is composed of evaporative…
Geology
April 8, 2022
NASA Earth Observatory
One of our favorite online feeds is from the NASA Earth Observatory along with their…
Hazards
March 25, 2022
CGS Seismic Stations
Early History The Colorado School of Mines first acquired and installed a single three-component seismograph in the…
Geology
March 16, 2022
The Glenwood Canyon Highway
This recent RMPBS/Colorado Experience video traces the history of transportation through Colorado’s spectacular Glenwood Canyon. It…
Geology
March 15, 2022
Recent reports published
OF-20-11 Alkaline Complexes of the Wet Mountains Area, Colorado: A Geological Summary, Bibliography, and Data Compilation…
General
March 9, 2022
Tale of the Bear Creek Meteorite, Jefferson County, Colorado
By Matthew Morgan, Deputy Director, Colorado Geological Survey and Gary Curtiss, Lakewood geologist and meteorite collector A…
General
February 21, 2022
Cumbres and Toltec Geology Train
We just found out about this year’s Cumbres & Toltec Geology Train adventures in southwest Colorado and northwest New Mexico.
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…
Water
January 14, 2022
Case Study: stormwater
Stormwater runoff is excess water associated with a rain or snow storm event that flows over the…
Energy
November 19, 2021
Case Study: geothermal gradient
The CGS has long been involved in researching the characteristics of geothermal energy across the state,…
Hazards
June 23, 2021
HAZ-2021-01 Post-wildfire Hazards
Noting that we were getting hundreds of search hits on a previous version of an info-brochure that we originally published…
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 26, 2021
Recent STATEMAP quadrangles
The CGS actively participates in the STATEMAP portion of…
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…
Hazards
February 8, 2021
The Snowy Torrents
Here in Colorado, avalanche season is not over yet, and it’s been another deadly one with 26 fatalities so far…