Munroe Quarry near Livermore
Munroe Quarry near Livermore

Geology, Hazards

Case Study: Lykins Formation

Small but significant areas of Colorado are underlain by bedrock that is composed of evaporative minerals. These are salts and sulfates that precipitate out of salt-concentrated surface waters. In the geologic past these minerals were deposited in shallow seas within closed or restricted basins where…

Hazards

The Science of Sinkholes

This video, from the U.S. Geological Survey, explores the geological factors behind sinkholes and the related science. Narrated by Randall Orndorff, the Director of the USGS Eastern Geology and Paleoclimate Science Center.