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  2. Canyon - Wikipedia

    en.wikipedia.org/wiki/Canyon

    The largest canyon in Africa is the Fish River Canyon in Namibia. [11] In August 2013, the discovery of Greenland's Grand Canyon was reported, based on the analysis of data from Operation IceBridge. It is located under an ice sheet. At 750 kilometres (470 mi) long, it is believed to be the longest canyon in the world. [12]

  3. 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 ...

  4. Physiographic regions of the United States - Wikipedia

    en.wikipedia.org/wiki/Physiographic_regions_of...

    Most included all of North America without regard to political subdivision. Fenneman expanded and presented a derivative of this system more fully in two books, Physiography of western United States (1931), [7] and Physiography of eastern United States (1938). [8]

  5. 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 ...

  6. Geomorphology - Wikipedia

    en.wikipedia.org/wiki/Geomorphology

    Geomorphology (from Ancient Greek γῆ (gê) 'earth' μορφή (morphḗ) 'form' and λόγος 'study') [2] is the scientific study of the origin and evolution of topographic and bathymetric features generated by physical, chemical or biological processes operating at or near Earth's surface.

  7. 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.

  8. File:Physical Features of North America map by Tom Patterson ...

    en.wikipedia.org/wiki/File:Physical_Features_of...

    English: Description on website: "North America is an ideal continent for physical mapping. The irregular coast, varied terrain, and diverse environments form a cartographic mosaic of colors and textures. Besides being beautiful, these features also tell geographic stories.

  9. Geology of the United States - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_United_States

    As the edge of North America moved away from the hot rift zone, it began to cool and subside beneath the new Atlantic Ocean. This once-active divergent plate boundary became the passive, trailing edge of westward moving North America. In plate tectonic terms, the Atlantic Plain is known as a classic example of a passive continental margin. [20]