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Basin And Range
Basin and Range may refer to: * Basin and Range Province The Basin and Range Province is a vast physiographic region covering much of the inland Western United States The Western United States (also called the American West, the Far West, and the West) is the List of regions of the United States#Cen ..., physiographic province of the United States west of the Rocky Mountains * Basin and range topography, type of topography typical of the Basin and Range Province * Basin and Range National Monument
, in Lincoln and Nye counties in southeastern Nevada, within the Basin and Range Province {{dab ...
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Basin And Range Province
The Basin and Range Province is a vast physiographic region covering much of the inland Western United States The Western United States (also called the American West, the Far West, and the West) is the List of regions of the United States#Census Bureau-designated regions and divisions, region comprising the westernmost U.S. state, states of the United S ... and northwestern Mexico. It is defined by unique basin and range topography, characterized by abrupt changes in elevation, alternating between narrow faulted mountain chains and flat arid valleys or basins. The physiography of the province is the result of tectonic extension that began around 17 million years ago in the early Miocene The Miocene ( ) is the first Epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish author Charles Lyell; its name comes from the Greek words (', "less") and (', "new") and means "le ... epoch. The numerous ranges within the ...
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Basin And Range Topography
Basin and range topography is an alternating landscape of parallel mountain ranges and valleys. It is a result of crustal extension/stretching (extensional tectonics) of the lithosphere (crust and upper mantle (Earth), upper mantle) due to mantle upwelling, gravitational collapse, crustal thickening, or relaxation of confining stresses. Extensional tectonics, Crustal extension causes the thinning and deformation of the upper crust in an orientation perpendicular to the direction of extension. As the plates pull apart, they thin allowing the hot mantle to rise close to the surface. When the crust is extended it fractures along a fault plane, creating a series of long parallel normal faults. Between these normal faults are blocks, which subside, get uplifted or tilted. This is known as block faulting. Basins are formed due to subsidence of a block, while the blocks adjacent to the subsidence gets Tectonic uplift, uplifted creating ranges. Normal faults are on both sides of the blocks ...
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