Groups have been pushing the state to reduce salt use to protect the environment, including Wisconsin Saltwise. below, from a salt mine, shows a vertical "wall of salt" about a little over a "But because of the volume of Lake Michigan, that concentration is still pretty low.". The salt is packaged at the plant and shipped to several destinations. The salt is also applied to icy roads in cities and towns throughout the Great Lakes region during the winter season. Years the salt mine was abandoned, from 1983-1998. When business was good, they offered public guided tours, which was very popular with school groups. Getting to the salt would prove to be the costliest and deadliest part of the operation. Using mechanical evaporation, the plant produces high-purity, fine- and coarse-grained salt products in packages and in bulk for commercial, agricultural and industrial applications. Entire rooms are carved out in the salt, leaving behind massive stabilizing pillars, which, for some reason, have workers constantly looking over their shoulders. However, the largest underground salt mine in the world, the Sifto Salt Mine, is located in Goderich, Ontario, Canada. For the secret CIA prison, see. As part of the tour, Rhodes got to explore what goes on above ground, including the huge piles of salt that lie there. Source: Photograph by Randy Schaetzl, Professor of Geography - Michigan Ancient China was among the earliest civilizations in the world with cultivation and trade in mined salt. How far under Lake Erie is the salt mine? The salt is also packaged at the Compass Mineral plant, located about 4 kilometers away, and distributed throughout North America. The mine opened in 1910 and covers 1,500 acres (610 ha) underground. It has operated since 1959 and was acquired by Compass Minerals in 1990. 3) The availability of low cost water transportation on the Great Lakes which facilitates freezing point to reduce cracking. Year digging of a second shaft began. 2023 by Going Places. fatality. Once down there, they extract the salt in the room and pillar method, where only 50% of the salt is removed, with the other half left behind as enormous pillars used for structural support to keep the mine from collapsing. mine, which consists of 100 miles of tunnels, has never experienced a collapse or mine The Detroit Salt Company (MLive photo | Ben Solis). The Company pumps is in Wayne County. : Bosnia and Herzegovina: Tuzla: Bulgaria: Provadiya; and Solnitsata, an ancient town which Bulgarian archaeologists regard as the oldest in Europe and the site of a salt-production facility approximately six millennia ago. This material has been compiled for educational use only, Underground salt mining can be challenging, especially if a mine is located under water. The rock salt produced from the mine is mainly processed by mechanical evaporation into fine-coarse grain salt. The size of the room depends on the thickness of the salt deposit, although most rooms are 60 feet by 60 feet. Every weekday we compile our most wondrous stories and deliver them straight to you. A central Wisconsin food pantry grew fivefold during the pandemic. Researchers examined past and current water data on the amount of salt flowing into the lake from 234 rivers and streams, according to Hilary Dugan, the study's lead author and assistant professor for the Center for Limnology at UW-Madison. Years that have passed since the salt was discovered. As recently as a few years ago, miners at this mine, one of the world's largest rock salt mines, worked 1,200 feet beneath Detroit and other Wayne County communities. Today, the salt from this mine is used exclusively as road salt. Length, in feet, of the original mineshaft. History of The Detroit Salt Mine Genesis of a Salt Mine. This bed - extending from upper New York to Michigan - was formed 410 million years ago. Last year, the state used a record 11.5 million gallons of brine on state highways covering more than 35,000 miles. The Morton Salt Company Mine is near Oak Hill, Michigan. The rock salt produced from the mine is mainly processed by mechanical evaporation into fine-coarse grain salt. Stay informed with WPR's email newsletter. Today it is closed. AP Photo/Jeffrey Phelps. There are no salt mines under Lake Michigan, however, About 2,000 feet under Lake Erie, 30 miles east of Cleveland in Fairport Harbor, Ohio, you'll find a vast site called the Morton Salt Mine. higher up in this page). A radical change in salt production occurred in 1906 when the Detroit Salt and Before the advent of the modern internal combustion engine and earth-moving equipment, mining salt was one of the most expensive and dangerous of operations because of rapid dehydration caused by constant contact with the salt (both in the mine passages and scattered in the air as salt dust) and of other problems caused by accidental excessive sodium intake. The Sifto Salt Mine is located deep below the waters of Lake Huron. Here's an article about it: Salt mines are mines from which salt is extracted, typically in the form of rock salt, known as halite. The miners sink shafts through the overlying rock salt deposits and then remove the salt. tons of salt. Amy Pataki, Richard Lautens, Salt at the source: a day in a Lake Huron mine. will vary from a trace to approximately 2% by weight of the mined rock salt. The biggest salt dry-mining operation in Michigan today The answer is NO! Its origin dates to the Devonian period (419-359 million years ago),a time when fish were evolving legs and crawling out of the sea, Michigan was covered with ocean, and the Lions last won a playoff game. In 1913 The amount of salt used fluctuates depending on the winter. and the amount used for highways is approaching the volumes for chemical purposes. Dugan said road salt is by far the biggest contributor to salt pollution in the Great Lakes region. Text is available under the Creative Commons Attribution-ShareAlike License 3.0; . For educational information about salt and mining, check out our History section! Prior to that, American Indian tribes extracted the salt from springs, and sold it as Authentic Michigan Sea Salt in upscale urban shops, where hipsters paid top-dollar for it, using it for their hand-built artisanal caramel fountains. DOT officials have now purchased 27 high-capacity brine makers with plans to buy a dozen more this year, said Hughes. Proudly created with. or less to several inches. salt can be economically recovered. The gigantic salt mine is located 1,200 feet beneath Detroit's surface, spreads out more than 1,500 acres and has over 100 miles of underground roads. In slang, the term salt mines, and especially the phrase back to the salt mines, refers ironically to one's workplace, or a dull or tedious task. Is there salt mined underneath Chicago and Lake Michigan? ", "Shovel first. Copy. "It's this nice liquid layer that soaks into the clear driveway or sidewalk or roadway, and then it prevents that buildup of ice and snow on the road," Hogfeldt said. It has operated since 1959 and was acquired by Compass Minerals in 1990. Laura Johnson, The Cargill salt mine: an other world under Lake Erie, "Bulgarians find oldest European town, a salt production center", "CBC-TV - Geologic Journey - Goderich, Ontario and Detroit Michigan", "Salt mine in the Danakil Depression in Ethiopia, 2015", "The Detroit Salt Company -- Explore the City under the City", "American Rock Salt to expand in Livingston", "All 17 Cargill Salt Miners Trapped on Underground Elevator Freed", "Definition of back to the salt mines | Dictionary.com", https://en.wikipedia.org/w/index.php?title=Salt_mining&oldid=1135677242, Socit de Sel de Mohammedia (Mohammedia Rock Salt company) near, This page was last edited on 26 January 2023, at 04:10. Actual mining is confined completely to the salt bed. the movement of salt in Canada from eastern Saskatchewan Province to western Quebec Save my name, email, and website in this browser for the next time I comment. Life expectancy for the miners was low. Your email address will not be published. The Sifto Salt Mine in Goderich is the world's largest underground salt mine. The Salina Group The That level has increased over the last 200 years from about 1 to 2 milligrams per liter in the 1800s, researchers said. Keep updated on the latest news and information. In the last several years, the Wisconsin Department of Transportation has been working to reduce salt use on the state highway . Detroit had a very large salt mine that was basically an underground industry underneath their city. Again by conveyer, the salt is taken to the larger shaft The salt mine was discovered in 1866 by Sam Platt during a search for oil. "That's a big game changer.". Curious City: Morton Salt production in Chicago from WBEZ on Vimeo. 300 North Harbour Road WGoderich, Ontario N7A 3Y9519.524.8351. 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"It could have some repercussions that we're not fully aware of yet.". 2014 TRA Public Annual Report and Public Report of Plan Summary, 2015TRA Public Annual Report and Public Report of Plan Summary, 2016 TRA Public Annual Report and Public Report of Plan Summary. The answer is NO! Number of workers who died digging the shaft. by salt are dark, reflecting the thin "muddy" seams in the salt (see the images The Detroit salt mine is a salt mine located 1,100 ft (340 m) below Detroit, Michigan. In 1895, the existence of an enormous rock salt deposit was officially discovered. Underground salt mining can be challenging, especially if a mine is located under water. "Then, if you have to salt it, scatter it, and use an appropriate amount rather than dumping salt down. Unlike coal mining, salt mining is less dangerous since extracting rock salt requires less combustion. Additional salt blocks were built at Ecorse and River Rouge the following year. Detroit Salt produces 1.7 million tons of salt annually, and will increase to 2.5 million tons if a proposed expansion is approved. The estimates of salt deposits in Michigan are astronomical. The room and pillar method of mining is employed in all salt mines One Curious City question prompted us to find out. in automobiles on the solid salt underground "streets," which are 60 feet wide. Manufacturers of plastics and other products also buy salt in bulk from the Compass Minerals Plant. In 1958 the salt production from these areas amounted to 8.7 Source: Detroit Free Press The sea would eventually recede and evaporate, leaving behind vast amounts of salt, which would be bulldozed over with rock and dirt by glaciers. (1964). It has no vermin, who would have nothing to eat, and workers are even allowed to smoke, as long as it isnt in sensitive areas. Read further to see exactly what they are delivering. Please contact Randall Schaetzl (soils@msu.edu) "It's good to know that what we're seeing is not catastrophic by any means, but we should be aware that it is increasing," said Dugan. Image source: Ricky Rhodes Much of the salt is moved from underground to above after it is broken up. This army of concretions is an unexplained geological phenomenon unlike anything else in the world. of Energy). Communities around Milwaukee, Madison, Appleton, Wausau and Superiorare now using brineor other options to clear roads. Some 1,200 feet beneath the streets of Detroit, under the north end of Allen Park, Dearborns Rouge complex, and most of Melvindale, run 100 miles of subterranean roads over an area of more than 1,500 acres. Generally speaking, the absence of gas, water, excessive Hughes said Wisconsin averaged around 9 tons of salt per mile on the state highway system last year, marking a 30-year low. Rooms from 50 to 60 feet wide are driven out and blocks of salt of the same One Curious City question prompted us to find out. This empty Detroit high school was too expensive to maintain or destroy. which can accelerate the formation of algal blooms, Twin Ports 'pounded' with snow, and more is on the way across northern Wisconsin, While harmful algal blooms like it hot, a new study finds they can handle the cold. "A lot of people don't realize that all the salt we put down on streets, sidewalks, parking lots, ends up in our freshwater," said Allison Madison, the group's sustainability and development coordinator. The salt is packaged at the plant and shipped to several destinations. control. Next, they drill holes for explosives, which allows them to blast out some 900 tons of salt in less than three seconds. The Detroit Salt Company produced the first salt there in 1895. In the beginning, the leather and food industries were the primary customers. Both are part of the PLSS measurement system but have different uses. actually consists of a number of individual salt beds separated by layers of shale, vertical distance below the surface. Country Site(s) Austria: Hallstatt and Salzkammergut. For years it produced tons of rock salt daily, most of which is used for ice See, we live in the Michigan Basin, an area once covered with salt water, now covered with 1,000 feet of dirt layered atop a vein of rock salt just waiting to be unearthed at great effort and expense so we can walk to the mailbox without falling down. Geological studies estimate that 55 counties of the Lower Peninsula cover 30,000 trillion tons of salt. The geology of the Great Lakes salt mining area consists of sedimentary Curious City: Morton Salt production in Chicago by WBEZ PLUS: Ever wonder what's inside the Morton Salt building on North Elson Ave.? uses include the tons mixed with road bases to make for greater density and lower the use of the product for highway purposes. Today, road deicing salt is the primary product. Donkeys lowered into the mine to work never saw sunlight again, and didn't live very long. Groups and transportation officials have been working to educate communities on the harmful effects of road salt,which can accelerate the formation of algal blooms in waterways. Since 1959, the Fairport Harbor Morton Salt Mine has been mining for rock salt, most commonly used to melt snow and ice on road. Therefore, usually a minimum of 1 ft of salt is left on the floor, while 4 to 6 feet of A large square cavern alternating with pillars of salt is left behind. I am still shaking my head that the worlds largest underground salt mine is UNDER Lake Huron. The U.S. salt bed map (Courtesy photo | U.S. Dept. Notify me of follow-up comments by email. 1 of 2. The salt created by the Detroit salt mine. Paul Ryan says he'll support 'anybody but Trump' in the 2024 presidential contest, Wisconsin Educational Communications Board. Age of the salt deposit, in years. Size, in feet, of the opening to the shaft at the time. All maps, graphics, flags, photos and original descriptions 2023 worldatlas.com. The salt was first used by local Native American tribes, who extracted it from salt springs. Offer subject to change without notice. Yes! The mined salt is usually in the form of halite (commonly known as rock salt), and extracted from evaporite formations.[1]. Electric shovels dip the salt into trailers the When Martin Green asked: Is it true that salt is mined underneath Chicago? we decided to follow the Great Lakes salt production process from the mines to the distribution center. The mine itself is a relatively clean and spacious place to work, as far as mines go. Why is there a long line of railcars parked on the tracks near Spooner? The mine has lunch rooms for workers, a service depot, electric transformer rooms, a crushing plant, and dump trucks. The five mines of the area are tapping the formation at the shallowest possible points. The images below show what road salt looks like when it water softening snow and ice removal from roads and highways. The Detroit Salt Company is a part of the history and fabric of Detroit with nearly 100 years of operations. Search for owners by first name, last name, company, location, etc. The Cargill salt mine beneath Lake Erie Watch on Down, down, down. Wisconsin Saltwise also encourages private companies and individuals to cut back on salt use. Salt mining extracts natural salt deposits from underground. As the water evaporated it left behind large deposits of . Miners rode down to the mine smushed face to face in a tiny elevator. Virtually every city, county, and municipality has a storehouse of Michigan salt, to be Chris Stuber State University, Source: Photograph by Randy Schaetzl, Professor of Geography - Michigan The mine is as deep as the CN Tower in Toronto is tall. The salt is also sold in bulk to manufacturers that make plastics, detergents, disinfectants and other important products. Trucks powered by electricity take it to a giant crusher underground. Curious City 10 years ago 2,728 1 1 1,474 965 Follow Curious City and others on SoundCloud. from approximately 17 to 40 ft. Goderich Salt MineCompass Minerals Goderich salt mine, located 1,800 feet under Lake Huron, is the largest underground salt mine in the world. All rights reserved (About Us). As recently as a few years ago, miners at this mine, one of the worlds largest Hughes said brine doesn't work for every winter storm, but it can cut the amount of costs and labor necessary to clear highways without compromising safety. According to the Detroit Salt Company, 400 million years ago, ocean water flooded into a large basin, an area known as the Michigan Basin. The plant is located about 4 kilometers away from the mine and is operated by Compass Minerals, a US-based multinational corporation and the leading producer of minerals such as salt and magnesium. [2] They first discovered natural gas when they excavated rock salt. One may also ask, is it hot or cold in the Detroit Salt Mine? Manufacturing Company started sinking a shaft for underground mining of rock salt. This mining technique is referred to as "room and pillar" mining. for more information or permissions. A young boy tosses a chunk of snow into Lake Michigan Wednesday, Jan. 30, 2019 in Milwaukee. We will never spam or sell your information because we take your privacy seriously. The economy of salt mining dried up like a 400 million-year-old ocean, prompting the company at the time, International Salt, to say,. It is the Detroit Salt Mine, and, as a Detroit industry, it is older than automobiles. As a geological entity, this salt deposit is older even than the dinosaurs. In three minutes, the skip drops nearly 1,700 feet below Cleveland. This mine stretches from Dearborn all the way to Allen Park. This one is a small storage shed of salt for the Meridian The Sifto Salt Mine in Goderich is the world's largest underground salt mine. There are no salt mines under Lake Michigan, however, About 2,000 feet under Lake Erie, 30 miles east of Cleveland in Fairport Harbor, Ohio, you'll find a vast site called the Morton Salt Mine. This phrase originates from c.1800 in reference to the Russian practice of sending prisoners to forced labor in Siberian salt mines. The mines were owned and operated by The Detroit Salt and Manufacturing Company. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Advance Local. Leaders expect it to keep growing. from C.M. This mine stretches from Dearborn all the way to Allen Park. Other cities followed. Tours of the mine currently being offered. Fresh air from the su. Detroit salt mine: Wayne: 1906- salt . The mine is as deep as the CN Tower in Toronto is tall. -- Atlas Obscura's Guide to the World's Salty Wonders. In operation since 1959, the mine is located approximately 1,800 feet under Lake Huron in the Canadian province of Ontario. The image Here are the Detroit salt mines, by the (really, really big)numbers. There is it is a salt mine. Detroit had a very large salt mine that was basically an underground industry underneath their city. She said individuals can also consider switching to alternatives like sand or birdseed for traction. Like us on Facebook to get the latest on the world's hidden wonders. Even though it has changed ownership a few times, there is a lot of history underneath the city of Detroit that most people dont even realize. Curious City: Morton Salt production in Chicago. Fully aware of yet. `` electricity take it to a giant crusher.. Who extracted it from salt springs 2,728 1 1 1,474 965 follow curious City others! Near Oak Hill, Michigan formation at the Compass Mineral plant, located about 4 kilometers away and! Volumes for chemical purposes the when Martin Green asked: is it true that is! Pataki, Richard Lautens, salt at the Compass Mineral plant, and distributed throughout North America been the. 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