Cutler Formation
Videos
The Cutler Formation or Cutler Group is a stratigraphic unit exposed across the U.S. states of Arizona, northwest New Mexico, southeast Utah and southwest Colorado. It was laid down in the Early Permi
Cutler Formation near the type locality, Portland, Ouray County, Colorado
Cedar Mesa Sandstone overlaying Organ Rock Shale, Canyonlands, Utah
Cisuralian
Videos
The Cisuralian, also known as the Early Permian, is the first series/epoch of the Permian. The Cisuralian was preceded by the Pennsylvanian and followed by the Guadalupian. The Cisuralian Epoch is nam
Cutler Formation
…exposed across the U.S. states of Arizona, northwest New Mexico, southeast Utah and southwest Colorado. It was laid down in the Early Permian during the Wolfcampian epoch. At its type area north of Ouray, Colorado, the Cutler Formation consists of over 1,000 feet (300 m) of bright red sandstone, siltstone, and…
Dimetrodon, a pelycosaur, was at the top of the food chain in the Cisuralian