Colorado Plateau


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Colorado Plateau,

physiographic region of SW North America, c.150,000 sq mi (388,500 sq km), in Arizona, Utah, Colorado, and New Mexico, including the "Four Corners" area. It is characterized by broad plateaus, ancient volcanic mountains at elevations of c.5,000 to 13,000 ft (1,520–3,960 m), and deeply dissected canyons lined with often brightly colored sedimentary and volcanic rocks, including the Grand CanyonGrand Canyon,
great gorge of the Colorado River, one of the natural wonders of the world; c.1 mi (1.6 km) deep, from 4 to 18 mi (6.4–29 km) wide, and 217 mi (349 km) long, NW Ariz.
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 of the Colorado River. Native American reservations occupy about one third of the mostly semiarid and sparsely vegetated area, which was the last U.S. region to be explored by whites. About one half of the public land is used for grazing. Among many ancient cliff dwellings are those at Mesa Verde and Canyon de Chelly. The region has a number of U.S. national parks and monuments.

Bibliography

See K. A. Brown, Four Corners (1996).

Colorado Plateau

 

a plateau in the Cordilleras of North America, located in the southwestern part of the USA. Borders on the northwest with the Great Basin, on the east and northeast with the Rocky Mountains, and on the south with the interior region of the Mexican Plateau. Area, more than 300,000 sq km. Predominating elevations, 1,800–2,500 m; highest point, 3,861 m (Humphreys Peak).

The plateau is formed of Precambrian crystalline rocks, covered with a heavy sedimentary layer from the Paleozoic to the Paleogene periods, with which are linked deposits of uranium and vanadium ores. During the Paleogene and Neocene uplifting occurred, accompanied by faulting movements and manifestations of volcanic activity and erosion caused by rivers (especially magnificent is the canyon of the Colorado River, the Grand Canyon). The climate is subtropical continental and dry (with annual precipitation of 200–500 mm). Vegetation consists of arid steppes with succulents and, in less arid places, forests of twisted pines and juniper.

References in periodicals archive ?
The Grand Canyon Trust is a nonprofit that represents the Colorado Plateau, and the Trust was the impetus for the gathering.
Metapopulation Counties Colorado River S Eagle, Pitkin, S Garfield, E Mesa Gunnison Basin Gunnison, NW Saguache, Hinsdale, Delta, Montrose Uncompahgre Plateau Ouray, Montrose, SW Mesa, San Miguel Colorado Plateau Dolores, Montezuma, LaPlata, Archuleta San Luis Valley NE Saguache, Alamosa, Conejos, Costilla, Rio Grande
In between, rivers may have drained off the Colorado Plateau to the north, through Idaho and beyond.
Film lovers and environmental activists can also look forward to watching Colors of the Deserts: The Red Colorado Plateau, The Man Who Stopped the Desert, Colors of the Deserts: The White Uyuni and Colors of the Deserts-The Yellow Sahara which will be screened on Thursday, 26 September.
The Rio Grande rift runs from Colorado in the US, south to the state of Chihuahua in Mexico, dividing the Colorado Plateau on the west from the interior of the North American Craton on the east.
When Ari discovers a new time map of the Colorado Plateau, the three friends look forward to embarking on new adventures - but can any amount of preparation protect them from marauding prehistoric predators, eras with low oxygen levels, and greed-driven rogue time travelers obsessed with seizing the map at any price?
The Adventure TEAM Challenge will be held in the high red rock desert of the Colorado Plateau along the Colorado River Valley, not far from the Utah state line.
As a result of this revised production strategy, Energy Fuels will be placing the Beaver and Daneros properties on the Colorado Plateau on standby over the course of the first quarter of FY 2013.
Platygonus compressus is known from four sites in California (Diamond Valley Lake, McKittrick, Potter Creek Cave, Rancho La Brea), from three localities on the Colorado Plateau in northern Arizona and western New Mexico (Pit Stop Quarry, Navajo Lake, Sheep Camp Shelter), in five sites in the Basin and Range physiographic province of northwestern Mexico and southern Arizona and the transition zone between the Basin and Range and Colorado Plateau provinces in southwestern New Mexico (Terapa, Sonora, as cf.
The next morning we left Zion, climbing the Colorado Plateau in our coach to Bryce Canyon National Park - and one of the most remarkable landscapes on earth.
One adventure took him to Arizona where he spent a week with the Navajo Indians in a region of the Colorado Plateau - the setting for John Wayne's film Stagecoach.
The clouds parted just in time for a sunset over the vast, spellbound Colorado Plateau around us.

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