Soil arch in Qamf deposit, Loutzenhizer Arroyo. Piping cave/soil arch in Qamf deposit, Loutzenhizer Arroyo, Delta County, Colorado, April 2007. Photo credit: David Noe (CGS). Hazards July 12, 2018 Collapsible Soils By Jonathan White, Senior Engineering Geologist, Emeritus At the end of the 19th and beginning of the 20th Century, some of the first settlers of the plateau region of western Colorado along the Colorado River, and the Uncompahgre and North Fork of…
Hazards December 30, 2017 Swelling or expansive soils Colorado has many areas susceptible to the problems that swelling soils cause. This video gives some background on the problem.
Figure 03. Highly contorted sedimentary strata in the evaporitic terrain between Gypsum and Glenwood Springs Hazards May 5, 2015 Evaporite Karst Subsidence [ED: Originally written by Jonathan White, Senior Engineering Geologist (emeritus staff) for a 2001 volume of our paper RockTalk bulletin, this short introduction reveals some special geological areas of the state worthy of notice for a variety of reasons.] Many areas of Colorado are underlain…
Hazards February 10, 2011 Hazardous Soils in Colorado This educational video, produced in 2011, explores the various problems that arise from hazardous soil conditions — expansive, collapsible/compressible, hydrocompactive, dispersive, swelling/expansible — across the state. These geologic hazards combined cause more infrastructure damage in Colorado than any others. The video also covers the types of damage, methods for prevention…
SP-43 A Guide to Swelling Soils for Colorado Homebuyers and Homeowners Hazards September 26, 2001 Swelling Soil Publication Wins Another National Award CGS Special Publication 43, SP-43 A Guide to Swelling Soils for Colorado Homebuyers and Homeowners, by Dave Noe, William “Pat” Rogers, and Candace Jochim, is the winner of the 2001 Edward B. Burwell, Jr. Award by the Geological…