Geology
April 11, 2022
Case Study: Lykins Formation
Small but significant areas of Colorado are underlain by bedrock that is composed of evaporative…
subsidence
Subsidence is the downward settling of the ground due to natural or human caused processes. A few natural processes include the thawing of permafrost, normal faulting, and the oxidation of organic soils. Human activities that result in subsidence are the extraction of natural gas, water, and petroleum, as well as mining. Parts of Colorado Springs have experienced subsidence due to a series of shallow, abandoned mines.
Hazards
January 24, 2018
Subsidence (Water Education Foundation)
Hazards
March 4, 2015
Land subsidence, a growing problem
Deltares, an independent institute for applied research in the field of water and subsurface, hosted fifteen…
Hazards
June 15, 2011
Mine Subsidence Hazards in Colorado
This video, produced by the CGS in 2011, examines the significant geo-hazards related to the long history of underground coal…
Hazards
April 26, 2005
Case Study: mine subsidence, CSM
For decades, the west side of the Colorado School of Mines (CSM) main campus had subsidence issues related to…
Hazards
January 17, 2005
Case Study: Roaring Fork sinkhole
[ED: This report from January 17, 2005 was written by Jon White, (Senior Engineering Geologist, Emeritus). Lightly edited for dated…
Geology
February 4, 2003
Case Study: Colorado Mountain College, Spring Valley
In early February of 2003, a 24-foot-wide (7.5 m) sinkhole spontaneously opened on a soccer field at the Colorado Mountain…