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  2. Canyon - Wikipedia

    en.wikipedia.org/wiki/Canyon

    Grand Canyon, Arizona, at the confluence of the Colorado River and Little Colorado River. A canyon (from Spanish: cañón; archaic British English spelling: cañon), [1] gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. [2]

  3. Grand Canyon - Wikipedia

    en.wikipedia.org/wiki/Grand_Canyon

    The canyon itself can act as a connection between the east and the west by providing corridors of appropriate habitat along its length. [145] The canyon can also be a genetic barrier to some species, like the tassel-eared squirrel. [145] The aspect, or direction a slope faces, also plays a major role in adding diversity to the Grand Canyon.

  4. Canyonlands National Park - Wikipedia

    en.wikipedia.org/wiki/Canyonlands_National_Park

    According to the Köppen climate classification system, Canyonlands National Park has a cold semi-arid climate ("BSk"). [41] The plant hardiness zones at the Island in the Sky and Needles District Visitor Centers are 7a with an average annual extreme minimum air temperature of 4.0 °F (-15.6 °C) and 2.9 °F (-16.2 °C), respectively.

  5. Landform - Wikipedia

    en.wikipedia.org/wiki/Landform

    Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, structure stratification, rock exposure, and soil type.Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains ...

  6. Canyon Lands - Wikipedia

    en.wikipedia.org/wiki/Canyon_Lands

    At the eastern margin of the Canyon Lands is the Mesa Verde, a huge cuesta that has been deeply dissected by streams. Here in great recesses in the canyon walls are found the ruins of ancient cliff dwellings. East of the Little Colorado River are the brilliantly colored areas known as the Painted Desert. Here the rocks show gorgeous colors in ...

  7. Grand Canyon National Park - Wikipedia

    en.wikipedia.org/wiki/Grand_Canyon_National_Park

    Grand Canyon National Park is a national park of the United States located in northwestern Arizona, the 15th site to have been named as a national park.The park's central feature is the Grand Canyon, a gorge of the Colorado River, which is often considered one of the Wonders of the World.

  8. Jun. 5—Forty-six years. That's the amount of time that has passed since Anna Sofaer began The Solstice Project. The move came after Sofaer's rediscovery of the Sun Dagger site on Fajada Butte in ...

  9. Bright Angel Shale - Wikipedia

    en.wikipedia.org/wiki/Bright_Angel_Shale

    In the Grand Canyon, the Bright Angel Shale is generally about 110 to 150 m (360 to 490 ft) thick. In the western Grand Canyon, the Bright Angel Shale is over 140 m (460 ft) thick and decrease eastward in thickness to only about 82 m (269 ft) at Toroweap in the central canyon. It is 100 m (330 ft) thick in Bright Angel Canyon.