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The North American plate is a tectonic plate containing most of North America, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores.With an area of 76 million km 2 (29 million sq mi), it is the Earth's second largest tectonic plate, behind the Pacific plate (which borders the plate to the west).
(Click to zoom) See legend below This is the legend for the North American geological map above. Geologic map of North America. The geology of North America is a subject of regional geology and covers the North American continent, the third-largest in the world. Geologic units and processes are investigated on a large scale to reach a ...
Pages in category "Plateaus of North America" The following 2 pages are in this category, out of 2 total. ... Chukchi Plateau; Costa Rican Central Valley
Colorado Plateau Basin & Range Province (indicated in blue) The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. [44] It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains, cut through by the Columbia River.
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Western North America suffered the effects of repeated collision as slabs of ocean crust sank beneath the continental edge. Slivers of continental crust, carried along by subducting ocean plates, were swept into the subduction zone and scraped onto North America's edge. [12] About 200–300 miles inland, magma generated above the subducting ...
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).
Laurentia basement rocks. Laurentia or the North American Craton is a large continental craton that forms the ancient geological core of North America.Many times in its past, Laurentia has been a separate continent, as it is now in the form of North America, although originally it also included the cratonic areas of Greenland and the Hebridean terrane in northwest Scotland.