description Roan Cliffs Overview
The Roan Cliffs are an escarpment in northwestern Colorado, along the southeastern margin of the Piceance Creek Basin. Their cliff-forming beds belong to the Green River Formation, a geological sequence that includes shale and marlstone and is associated with the oil-shale resources of the region. The landform is part of the Roan Plateau area and is of interest to geologists studying Colorado Plateau stratigraphy and energy-related geology.
help Roan Cliffs FAQ
Where are the Roan Cliffs?
The Roan Cliffs are in northwestern Colorado along the southeastern edge of the Piceance Creek Basin. They are part of the basin’s distinctive cliff and plateau landscape.
What geological formation makes up the Roan Cliffs?
The cliff-forming rocks belong to the Green River Formation. This geological sequence includes sedimentary rocks such as shale and marlstone.
Are the Roan Cliffs connected with oil shale?
Yes. The Green River Formation is widely associated with oil-shale resources in the western United States, including the Piceance Creek region of Colorado.
What kind of landform are the Roan Cliffs?
They are an escarpment, meaning a long, steep slope or line of cliffs separating higher and lower ground. Their steep face results from resistant rock layers and erosion around the Piceance Creek Basin.
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