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Ruby Falls
Ruby Falls is a series of underground cascading waterfalls totaling in Lookout Mountain, near Chattanooga, Tennessee, in the United States. Geology About 200 to 240 million years ago (in the Carboniferous Period, at the end of the Paleozoic Era), the eastern Tennessee area was covered with a shallow sea, the sediments of which eventually formed limestone rock.Ruby Falls Geology, Ruby Falls Rocks accessed 11 June 2006 About 200 million years ago, this area was Tectonic uplift, uplifted, forming Lookout Mountain and nearby ridges. Slightly acidic groundwater running through cracks in the limestone slowly dissolved the relatively soluble rock, causing narrow cracks to widen into passages. This process, called chemical weathering, caused various caves to form inside Lookout Mount ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chattanooga, Tennessee
Chattanooga ( ) is a city in and the county seat of Hamilton County, Tennessee, United States. Located along the Tennessee River bordering Georgia, it also extends into Marion County on its western end. With a population of 181,099 in 2020, it is Tennessee's fourth-largest city and one of the two principal cities of East Tennessee, along with Knoxville. It anchors the Chattanooga metropolitan area, Tennessee's fourth-largest metropolitan statistical area, as well as a larger three-state area that includes Southeast Tennessee, Northwest Georgia, and Northeast Alabama. Chattanooga was a crucial city during the American Civil War, due to the multiple railroads that converge there. After the war, the railroads allowed for the city to grow into one of the Southeastern United States' largest heavy industrial hubs. Today, major industry that drives the economy includes automotive, advanced manufacturing, food and beverage production, healthcare, insurance, tourism, and back offi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennessee River
The Tennessee River is the largest tributary of the Ohio River. It is approximately long and is located in the southeastern United States in the Tennessee Valley. The river was once popularly known as the Cherokee River, among other names, as the Cherokee people had their homelands along its banks, especially in what are now East Tennessee and northern Alabama. Additionally, its tributary, the Little Tennessee River, flows into it from Western North Carolina and northeastern Georgia, where the river also was bordered by numerous Cherokee towns. Its current name is derived from the Cherokee town, '' Tanasi'', which was located on the Tennessee side of the Appalachian Mountains. Course The Tennessee River is formed at the confluence of the Holston and French Broad rivers in present-day Knoxville, Tennessee. From Knoxville, it flows southwest through East Tennessee into Chattanooga before crossing into Alabama. It travels through the Huntsville and Decatur area before ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cloudland Canyon State Park
Cloudland Canyon State Park is a Georgia state park located near Trenton and Cooper Heights on the western edge of Lookout Mountain. One of the largest and most scenic parks in Georgia, it contains rugged geology, and offers visitors a range of vistas across the deep gorge cut through the mountain by Sitton Gulch Creek, where the elevation varies from 800 to over 1,800 feet.Brown (1996), p. 11 Views of the canyon can be seen from the picnic area parking lot, in addition to additional views located along the rim trail. At the bottom of the gorge, two waterfalls cascade across layers of sandstone and shale, ending in small pools below. The park, previously known as Sitton Gulch (or Gulf) or Trenton Gulf, was purchased in stages by the state of Georgia beginning in 1938. Under President Franklin D. Roosevelt, a project of Civilian Conservation Corps during the Great Depression built the first facilities and signs in the park, which opened the following year. Today the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roy Orbison
Roy Kelton Orbison (April 23, 1936 – December 6, 1988) was an American singer, songwriter, and musician known for his impassioned singing style, complex song structures, and dark, emotional ballads. His music was described by critics as operatic, earning him the nicknames "The Caruso of Rock" and "The Big O." Many of Orbison's songs conveyed vulnerability at a time when most male rock-and-roll performers chose to project machismo. He performed while standing motionless and wearing black clothes to match his dyed black hair and dark sunglasses, which he wore to counter his shyness and stage fright. Born in Texas, Orbison began singing in a rockabilly and country-and-western band as a teenager. He was signed by Sam Phillips of Sun Records in 1956, but enjoyed his greatest success with Monument Records. From 1960 to 1966, 22 of Orbison's singles reached the ''Billboard'' Top 40. He wrote or co-wrote almost all of his own Top 10 hits, including " Only the Lonely" (1960) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johnny Cash
John R. Cash (born J. R. Cash; February 26, 1932 – September 12, 2003) was an American country singer-songwriter. Much of Cash's music contained themes of sorrow, moral tribulation, and redemption, especially in the later stages of his career. He was known for his deep, calm bass-baritone voice, the distinctive sound of his Tennessee Three backing band characterized by train-like chugging guitar rhythms, a rebelliousness coupled with an increasingly somber and humble demeanor, free prison concerts, and a trademark all-black stage wardrobe which earned him the nickname "The Man in Black". Born to poor cotton farmers in Kingsland, Arkansas, Cash rose to fame during the mid-1950s in the burgeoning rockabilly scene in Memphis, Tennessee, after four years in the Air Force. He traditionally began his concerts by simply introducing himself, "Hello, I'm Johnny Cash", followed by " Folsom Prison Blues", one of his signature songs. His other signature songs include "I Walk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rock City (attraction)
Rock City is a tourist attraction on Lookout Mountain in Lookout Mountain, Georgia. Opened in , the attraction gained prominence after owners Garnet and Frieda Carter hired Clark Byers in 1935 to paint "See Rock City" barn advertisements throughout the Southeast and Midwest United States; Byers painted over 900 barn roofs and walls, in 19 states, by 1969. Since its earliest days, Rock City has claimed that it is possible to see seven states from a particular spot (Lover's Leap) in Rock City; a scientist at the University of Tennessee, when asked to prove the issue in 2007, pointed out that the claim refers to seeing mountains and other high points in many of these other states, adding that the claim was made long before the air pollution associated with the proliferation of automobiles and coal-fired power plants, and summed up with "I never thought it significant." History Historical evidence indicates that Native Americans inhabited Lookout Mountain at some point. In 182 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ruby Falls Entrance
A ruby is a pinkish red to blood-red colored gemstone, a variety of the mineral corundum ( aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. The word ''ruby'' comes from ''ruber'', Latin for red. The color of a ruby is due to the element chromium. Some gemstones that are popularly or historically called rubies, such as the Black Prince's Ruby in the British Imperial State Crown, are actually spinels. These were once known as "Balas rubies". The quality of a ruby is determined by its color, cut, and clarity, which, along with carat weight, affect its value. The brightest and most valuable shade of red, called blood-red or pigeon blood, commands a large premium over other rubies of similar quality. After color follows clarity: similar to diamonds, a clear stone will command ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ruby Falls
Ruby Falls is a series of underground cascading waterfalls totaling in Lookout Mountain, near Chattanooga, Tennessee, in the United States. Geology About 200 to 240 million years ago (in the Carboniferous Period, at the end of the Paleozoic Era), the eastern Tennessee area was covered with a shallow sea, the sediments of which eventually formed limestone rock.Ruby Falls Geology, Ruby Falls Rocks accessed 11 June 2006 About 200 million years ago, this area was Tectonic uplift, uplifted, forming Lookout Mountain and nearby ridges. Slightly acidic groundwater running through cracks in the limestone slowly dissolved the relatively soluble rock, causing narrow cracks to widen into passages. This process, called chemical weathering, caused various caves to form inside Lookout Mount ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Speleological Society
The National Speleological Society (NSS) is an organization formed in 1941 to advance the exploration, conservation, study, and understanding of caves in the United States. Originally headquartered in Washington D.C., its current offices are in Huntsville, Alabama. The organization engages in the research and scientific study, restoration, exploration, and protection of caves. It has more than 10,000 members in more than 250 grottos. History The Speleological Society of the District of Columbia (SSDC) was formed on May 6, 1939 by Bill Stephenson. In the fall of 1940, the officers of the SSDC drafted a proposed constitution that would transform the SSDC into the National Speleological Society. On January 24, 1941, Stephenson sent a letter to all members of the SSDC announcing that "on January 1 the Society was reorganized as a national organization." The New England Grotto was the first NSS Grotto. It was chartered in 1941 with Clay Perry as president and Ned Anderson as vice p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Milk Of Magnesia
Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water (). Magnesium hydroxide is a common component of antacids, such as milk of magnesia. Preparation Treating the solution of different soluble magnesium salts with alkaline water induces the precipitation of the solid hydroxide Mg(OH)2: :Mg2+ + 2OH− → Mg(OH)2 As is the second most abundant cation present in seawater after , it can be economically extracted directly from seawater by alkalinisation as described here above. On an industrial scale, Mg(OH)2 is produced by treating seawater with lime (Ca(OH)2). A volume of (or 160,000 US gallons) of seawater gives about one ton of Mg(OH)2. Ca(OH)2 is far more soluble than Mg(OH)2 and drastically increases the pH value of seawater from 8.2 to 12.5. The less soluble precipitates because of the common ion effect due to the added by the dissolution of : : ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Magnesium
Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 of the periodic table) it occurs naturally only in combination with other elements and it almost always has an oxidation state of +2. It reacts readily with air to form a thin passivation coating of magnesium oxide that inhibits further corrosion of the metal. The free metal burns with a brilliant-white light. The metal is obtained mainly by electrolysis of magnesium salts obtained from brine. It is less dense than aluminium and is used primarily as a component in strong and lightweight alloys that contain aluminium. In the cosmos, magnesium is produced in large, aging stars by the sequential addition of three helium nuclei to a carbon nucleus. When such stars explode as supernovas, much of the magnesium is expelled into the interstellar medium where it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elevator
An elevator or lift is a cable-assisted, hydraulic cylinder-assisted, or roller-track assisted machine that vertically transports people or freight between floors, levels, or decks of a building, vessel, or other structure. They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist, although some pump hydraulic fluid to raise a cylindrical piston like a jack. In agriculture and manufacturing, an elevator is any type of conveyor device used to lift materials in a continuous stream into bins or silos. Several types exist, such as the chain and bucket elevator, grain auger screw conveyor using the principle of Archimedes' screw, or the chain and paddles or forks of hay elevators. Languages other than English, such as Japanese, may refer to elevators by loanwords based on either ''elevator'' or ''lift''. Due to wheelchair access laws, elevators are often a legal requirement in new multistory buildings, espec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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