The Maroon Formation is a geologic formation in Colorado. It preserves fossils dating back to the Permian period. It is the primary formation of sandstone that lends the vivid red color to the hills around Glenwood Springs, Colorado.

• List of fossiliferous stratigraphic units in Colorado
• Paleontology in Colorado

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
• Colorado Geological Survey. "Guide to the Geology of the Glenwood Springs Area, Garfield County, Colorado". Retrieved 1 April 2022.

This article about a specific stratigraphic formation in Colorado is a stub. You can help Wikipedia by expanding it.

• v
• t
• e

This article related to the Permian period is a stub. You can help Wikipedia by expanding it.

• v
• t
• e