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Erosion thus acts on the uplifted area at a greater rate than on the surrounding flat-lying area, creating a low area, i.e., a basin. This area is more correctly referred to as the "Central Dome" of Tennessee. Nashville is located in the northwestern portion of the Central Basin.
The Nashville Basin, which in reality is a geologic dome, was pushed up from underneath by a mantle plume, exposing softer strata that with additional erosion on the Highland Rim surrounding the basin expanded the size of the basin. The basin is likely to continue widening far into the future.
Much of the Nashville basin is relatively level, and supports rich, fertile farmland and a great diversity of natural wildlife. [19] [20] It averages about 600 feet (180 m) above sea level, although elevations vary greatly, with some hills reaching higher than the Eastern Highland Rim. Porous limestone bedrock underlies the Nashville Basin and ...
Map of the Tennessee Watershed. The Tennessee Valley is the drainage basin of the Tennessee River and is largely within the U.S. state of Tennessee. It stretches from southwest Kentucky to north Alabama and from northeast Mississippi to the mountains of Virginia and North Carolina. The border of the valley is known as the Tennessee Valley Divide.
USGS map colored by paleogeological areas and demarcating the sections of the U.S. physiographic regions: Laurentian Upland (area 1), Atlantic Plain (2-3), Appalachian Highlands (4-10), Interior Plains (11-13), Interior Highlands (14-15), Rocky Mountain System (16-19), Intermontane Plateaus (20-22), & Pacific Mountain System (23-25) The legend ...
Basin size 921 square miles (2,385.4 km 2 ) The Stones River (properly spelled Stone's River ) [ 2 ] is a major stream of the eastern portion of Tennessee 's Nashville Basin region [ 1 ] and a tributary of the Cumberland River .
In the Nashville Basin, glades are most often found in areas that were a matrix of barren and woodland communities. [11] Although historically with a more open grassland border, many are now surrounded by dense thickets of redcedar (Juniperus virginiana) and redbud (Cercis canadensis). Glades are most common the Nashville Basin, although there ...
Map of the Tennessee Watershed. The Tennessee Valley Divide is the boundary of the drainage basin of the Tennessee River and its tributaries.. The Tennessee River drainage basin begins with its tributaries in southwestern Virginia and flows generally west to the confluence of the Tennessee with the Ohio River at Paducah, Kentucky.