stratigraphy

The Flatirons overlooking Boulder, Colorado are comprised of once flat-lying Permian Fountain Formation sedimentary rock that were tilted to 50 degrees by the orogenic uplift of the Rocky Mountains. Photo credit: Vince Matthews for the CGS.

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…

MS-53D Colorado Stratigraphic Chart

Geology

January 31, 2017

MS-53 Colorado Stratigraphy Chart

A collaboration between the CGS and the Denver Museum of Nature & Science (DMNS) has resulted…