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Geology of Tennessee. 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.
The Shady Dolomite is a geologic formation composed of marine sedimentary rocks of early Cambrian age (Cambrian Series 2: 521-509 million years ago).It outcrops along the eastern margin of the Blue Ridge province in the southeastern United States and can be found in outcrops in the states of Alabama, Georgia, Tennessee, North Carolina, and Virginia.
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. [26] [27] Most of the southern Blue Ridge Mountains are composed of Precambrian granite and sedimentary rocks, and Cambrian strata that have been altered by metamorphism ...
The geology of the Appalachians dates back more than 1.2 billion years to the Mesoproterozoic era [1] when two continental cratons collided to form the supercontinent Rodinia, 500 million years prior to the development of the range during the formation of Pangea. The rocks exposed in today's Appalachian Mountains reveal elongate belts of folded ...
The rock underlying the Appalachian Plateau consists of a base of Precambrian rock, overlain by sedimentary rock from the Paleozoic Era. On top of the basement is a thick layer, approximately 20,000 feet, of a mixture of Cambrian, Ordovician, and Middle Silurian rock. This rock consists of shale, siltstone, and sandstone.
Ripley, Mississippi. The Ripley Formation is a geological formation in North America found in the U.S. states of Alabama, Georgia, Mississippi, Missouri, [1] and Tennessee. The lithology is consistent throughout the layer. It consists mainly of glauconitic sandstone. It was formed by sediments deposited during the Maastrichtian stage of the ...
Uluru (Ayers Rock) is a large sandstone formation in Northern Territory, Australia.. Sedimentary rocks can be subdivided into four groups based on the processes responsible for their formation: clastic sedimentary rocks, biochemical (biogenic) sedimentary rocks, chemical sedimentary rocks, and a fourth category for "other" sedimentary rocks formed by impacts, volcanism, and other minor processes.
Cades Cove during a total solar eclipse. Cades Cove is an isolated valley located in the Tennessee section of the Great Smoky Mountains National Park. The valley was home to numerous settlers before the formation of the national park. Cades Cove, the single most popular destination for visitors to the park, attracts more than two million ...