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A map of the Colorado Plateau. The Four Corners region and the Colorado Plateau.. The Colorado Plateau is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the Southwestern United States.
Yet for some reason not fully understood, the neighboring Colorado Plateau was able to preserve its structural integrity and remained a single tectonic block. Eventually, the great block of Colorado Plateau crust rose a kilometer higher than the Basin and Range. [11] As the land rose, the streams responded by cutting ever deeper stream channels.
The divisions of regional geology are drawn in different ways, but are usually outlined by a common geologic history, geographic vicinity or political boundaries. The regional geology of North America usually encompasses the geographic regions of Alaska, Canada, Greenland, the continental United States, Mexico, Central America, and the ...
The Colorado Province took shape as a mobile belt—an area of thinner, orogeny related continental crust lacking the deep "keel" of rock, which stabilized the neighboring Wyoming Craton and other cratons like it. Throughout Colorado's geologic history, rocks have often been deformed, metamorphosed and overprinted, obscuring the ancient record.
NASA satellite photo of typical Basin and Range topography across central Nevada. The Basin and Range Province includes much of western North America.In the United States, it is bordered on the west by the eastern fault scarp of the Sierra Nevada and spans over 500 miles (800 km) to its eastern border marked by the Wasatch Fault, the Colorado Plateau and the Rio Grande Rift.
Locality map showing the Rio Grande rift extending from southern Colorado to Chihuahua, Mexico. The Rio Grande follows this rift for much of its course. The Rio Grande rift is a north-trending continental rift zone. It separates the Colorado Plateau in the west from the interior of the North American craton on the east. [1]
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The formation is notable both for its petroleum resources and for its salt tectonics, which are responsible for many distinctive geologic features of the eastern Colorado Plateau. In addition to the anticline valleys, these include the grabens of the Needles District of Canyonlands National Park and the fins and arches of Arches National Park.