Cedar Mesa Sandstone, Geological formation in San Juan County, Utah.
Cedar Mesa Sandstone is a geological formation in southeastern Utah composed of alternating layers of red and white stone. The layered rock creates tall cliffs with overhanging alcoves that spread across the high desert landscape.
This formation developed during the Early Permian period roughly 286 to 245 million years ago from sand deposited in ancient coastal dunes. Water and minerals later cemented these sand layers into solid rock.
Native American communities built homes and storage areas in the rock shelters created by overhanging sandstone walls throughout this region. The natural alcoves provided protection and were incorporated into daily life for centuries.
This formation is accessible through established trails in national parks and natural monuments throughout the region. Bring plenty of water and wear sturdy footwear, as the terrain is rocky and uneven.
Fossils of conifers, horsetails, ferns, and reptiles are preserved within the sandstone layers. These remains offer glimpses into ancient life that existed during this geological period.
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