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The Basin and Range Province is a vast physiographic region covering much of the inland Western United States 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.
Soils, climate, and vegetation are transitional to the Central Basin and Range to the south. Characteristically, the basin floors have strongly saline and very alkaline soils that support black greasewood , inland saltgrass, bud sagebrush , shadscale, alkali sacaton , rushes, basin wildrye, bottlebrush squirreltail, and cheatgrass.
Basin and Range topography as seen from the air. The Great Basin includes valleys, basins, lakes and mountain ranges of the Basin and Range Province. [20] The basin and range topography is the result of extension and thinning of the lithosphere, which is composed of crust and upper mantle.
The Great Basin Desert is part of the Great Basin between the Sierra Nevada and the Wasatch Range in the western United States.The desert is a geographical region that largely overlaps the Great Basin shrub steppe defined by the World Wildlife Fund, and the Central Basin and Range ecoregion defined by the U.S. Environmental Protection Agency and United States Geological Survey.
Köppen climate types of Nevada, using 1991-2020 climate normals. Nevada is the driest state in the United States. [3] It is made up of mostly desert and semi-arid climate regions, and, with the exception of the Las Vegas Valley, the average summer diurnal temperature range approaches 40 °F (22 °C) in much of the state. While winters in ...
The Intermountain West has a basin and range and plateau topography. Some of the region's rivers reach the Pacific Ocean, such as the Columbia River and Colorado River.Other regional rivers and streams are in endorheic basins and cannot reach the sea, such as the Walker River and Owens River.
Basin and range topography has alternating parallel mountain ranges and valleys Basin and range topography is characterized by alternating parallel mountain ranges and valleys. It is a result of crustal extension due to mantle upwelling , gravitational collapse, crustal thickening, or relaxation of confining stresses.
The broad fault-block mountain is characteristic of the basin and range plate tectonics of the high desert. About 16 million years ago, during the early Miocene epoch, lava flows from volcanic eruptions covered about half the surface area of Oregon. The Earth's crust then began stretching, giving way to further volcanic activity from 15 million ...