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The geology of Tennessee is as diverse as its landscapes. Politically, Tennessee is broken up into three Grand Divisions : East , Middle , and West Tennessee . [ 1 ] Physically, Tennessee is also separated into three main types of landforms: river valley plain, highlands and basins, and mountains.
East Tennessee's major landforms. East Tennessee is located within three major geological divisions of the Appalachian Mountains: the Blue Ridge Mountains on the border with North Carolina in the east; the Ridge-and-Valley Appalachians (usually called the "Great Appalachian Valley" or "Tennessee Valley" [a]) in the center; and the Cumberland Plateau in the west, part of which is in Middle ...
The Eastern Tennessee seismic zone (ETSZ), also known as the East Tennessee seismic zone and the Southern Appalachian seismic zone, is a geographic band stretching from northeastern Alabama to southwestern Virginia that is subject to frequent small earthquakes. The ETSZ is one of the most active earthquake zones in the eastern United States. [1 ...
Geological formations in Tennessee largely correspond with the state's topographic features, and, in general, decrease in age from east to west. Most of the Blue Ridge Mountains in the east were formed during the Precambrian era , and contain the state's oldest rocks, igneous strata that is more than 1 billion years old.
It is located in East Tennessee and also extends into southeastern Kentucky, northwestern Georgia, and northern Alabama. This part of Alabama is part of the Black Warrior Basin. [1] The Chattanooga Shale of East Tennessee is reported to be an extension of or correlates with the Marcellus Shale of the Appalachian region to the east. [5]
While both Tennessee and North Carolina joined the Confederacy at the outbreak of the American Civil War in 1861, Union sentiment in the Great Smoky Mountains was much stronger relative to other regions in these two states. Generally, the communities on the Tennessee side of the Smokies supported the Union, while communities on the North ...
[3] [4] The site became part of East Tennessee State University, and the Gray Fossil Site & Museum was opened on the site in 2007. The ancient habitat of the Gray Fossil Site was a pond formed within a sinkhole surrounded by a warm, wet forest. The fossils found at the site represent the ancient plants and animals that lived and died in and ...
The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is from the Late Cambrian to the Early Ordovician. Predominantly, it is composed of carbonates, chiefly dolomite, with some limestone.