Tag Archives: Pennsylvanian

Fountain of Wonder

23 Feb


The Fountain Formation makes contact with Precambrian rocks of the Laramide Orogeny along the Front Range of the Colorado Rockies across a 1.4 billion year unconformity. Well-known outcrops from Boulder (the “Flatirons“) to Morrison (Red Rocks Park) and Colorado Springs (Garden of the Gods) make this arguably the most photographed rock unit in Colorado.