Road salt is bad for the environment: What are some alternatives?
The salt deposits below Detroit and much of Michigan formed around 400 million years ago (ah, seems like just yesterday), and the salt mines were discovered …
Environmental Risks of Mining
Environmental hazards are present during every step of the open-pit mining process. Hardrock mining exposes rock that has lain unexposed for geological eras. When crushed, these rocks expose radioactive elements, asbestos-like minerals, and metallic dust. During separation, residual rock slurries, which are mixtures of pulverized rock and ...
Waste disposal in a German rock-salt mine
Abstract. A worked-out area of the operating Helibronn rock-salt mine is being used as a repository for fly-ash waste from incineration plants. The waste is packed in large bags, handled by fork-lifts, trucks, and cranes, and stacked 11-m-high. In addition insolubles from the re-saturation of brine for electrolysis using rock salt are stowed in ...
Tracing Mining's Threat to U.S. Waters
Other mining-related pollutants, partly from the extensive use of explosives in the blasting, include cadmium, sulfates and nitrates, experts say. Teck's open-pit mines produce more than 21 ...
Cargill taking big risks to dig for salt under Cayuga Lake: What …
One of the losing plaintiffs, Louise Buck, a property owner on Cayuga's eastern shore, voiced in an affidavit her fears that Cargill was apt to make "a mistake" while mining into rock faults or other geological "anomalies" where bedrock between the mine and the lake is relatively thin or unstable. "This will affect my legacy to my sons and their …
The spiralling environmental cost of our lithium battery addiction
Salt miners load a truck with lithium-rich salt. The ground beneath Bolivia's salt flats are thought to contain the world's largest reserves of the metal. (The Bolivian Andes may contain 70 ...
The Road Is Peppered With Rock Salt Alternatives | Hackaday
Rock salt also corrodes concrete, makes its way into the groundwater, and is bad for pets. Worst of all, its efficacy drops along with the temperature. At 15° F (-9° C), rock salt loses more ...
A Salty Solution for Nuclear Waste | NOVA | PBS
A Salty Solution for Nuclear Waste. The Waste Isolation Pilot Plant, known locally as WIPP (pronounced "whip"), opened in 1999 after decades of back and forth between state and federal regulators ...
The Incredible Urban Salt Mines Hiding Underneath Our Feet
Some American mines still operate independently. The most famous of all is the Detroit Salt Mine, a 114-year-old mine that takes advantage of a gigantic salt …
Salt Mines in North America | Actforlibraries
The Orondaga County Parks created a museum that shows the history of this salt mine. The four operating salt mines are American Rock Salt in Mt. Morris, Cargill Salt in Lansing and Watkins Glen, Retsof Mine and also US Salt also in that town. Few people know about The Detroit Salt mine. It lies underground as most do. It has a long history ...
Detroit Salt Company wants to expand, seeks to ease …
Detroit Salt currently produces 1.7 million tons of rock salt per year, according to the draft proposal. With its expansion, the company would increase production to 2.5 million tons of rock salt ...
Metropolitan Mining: Institutional and Scale Effects on the …
The Detroit salt mine worked a 30 foot thick seam of rock salt at 1135' below the surface, one of several layers of salt (Figure 2). The top 90 to 100 feet from the surface is …
Can we mitigate environmental impacts from mining?
Material adapted from: Hudson, T.L, Fox, F.D., and Plumlee, G.S. 1999. Metal Mining and the Environment, p. 11,41-46. Published by the American Geosciences Institute Environmental Awareness Series. Click here to download the full handbook. The major potential environmental impacts associated with mining and associated mineral …
2.2 Types of Mining Wastes – Hydrogeology and Mineral …
Figure 3 – Waste rock from an open pit operation has a wide range in particle size, and significant variability from one location to the next within the stockpile.. Spent Heap leach. In heap leach mining operations, rock is placed in constructed piles on the ground surface in multiple lifts and a chemical solution is repeatedly passed through the heap to dissolve …
CuriosiD: Revisiting the salt mines underneath Detroit
Pat Batcheller March 10, 2022 As WDET gears up for another season of CuriosiD, we're looking back at some of our top stories. Here's a look back at the salt mines that run …
Why are salt domes suitable for the final disposal of nuclear waste?
The voids left behind provide reduce the cost of nuclear waste storage. The cost of producing the voids is absorbed by corporations mining the deposit for salt. The nuclear waste disposing entities spend less money digging fewer holes. Salt deposits are geologically stable, having existed for millions of years.
Detroit Salt Mine: The hidden gem beneath our city.
Rock salt was discovered in Detroit in 1895, but it wasn't until 1906 that the Detroit Salt and Manufacturing Company began the arduous task of digging a shaft to create a mine. Despite many challenges, a bankruptcy and business reorganization, the shaft was completed by the newly named Detroit Salt Company. In 1912, under the …
Analysis on the Characteristics of Water Pollution Caused by
Coal is the primary source of energy in China’s energy structure system. With the large-scale mining of mineral resources, a large amount of mine water will be produced in the process of development, construction, and production, which will pollute and damage the ecological environment of mine water. At present, China vigorously …
As We Extract Lithium From US Mines, Environmental Issues …
In the first three months of 2021, US lithium miner influencers have raised nearly $3.5 billion from Wall Street — 7 times the amount raised in the prior 36 months, according to data assembled ...
Mine for 'critical mineral' potash nears approval in …
For more information, go to the EGLE website at michigan.gov/egle. Contact Keith Matheny: 313-222-5021 or kmatheny@freepress. A years-long battle over Michigan Potash …
Salt Mining a Serious, Sometimes Dangerous Business
But salt mining is a serious, sometimes dangerous business, practiced in this western New York countryside since the days of mules and pickaxes more than a century ago. America produces up to 4.3 million tons of salt a year, though it hoisted less last year because of the mild winter. Despite a big storm in the Northeast last week, this …
The giant salt mine 1200 feet beneath Detroit, Michigan
Today, the Great Lakes rest on the basalt rock and the salt layer, some 1200 feet below, being the largest salt deposit in the world - some 71 trillion tons of unmined …
Detroit's salt mine: City beneath the city
The existence of rock salt in the Detroit area was discovered in 1895, and the difficult and expensive work of digging a mine shaft began in 1906. The original company went bankrupt before any ...
Detroit salt mine parent company acquired for $2 billion
0:01. 13:14. The parent company of Detroit's "salt city" has been acquired for $2 billion. Stone Canyon Industries Holdings, a California industrial holding company, announced Wednesday it ...
What is the Largest Salt Mine in the United States?
The Cargill Salt Mine, located in Grand Saline, Texas, is the largest salt mine in the United States. This salt mine produces over 10 million tons of road-salt each year and is estimated to contain an average of 200 million tons of pure halite ("rock" or mined) salt. The Cargill Salt Mine produces so much salt that it supplies nearly 40 ...
The Environmental Disaster That is the Gold Industry
The mine dumps about 80 million tons of waste debris into the Ajkwa river system every year, according to Sampat at Earthworks. Another American company, Newmont, owns the Batu Hijau mine, also in ...
Detroit's underground rock salt mine sold
The mine supplies road salt to most of the roadways in the Southeast Michigan, including the Road Commission for Oakland County, which has a contract to receive up to 90,000 tons of salt at $47.28 ...
Detroit Salt Mine – Detroit, Michigan
Six men were killed during the dig, and the Detroit Salt and Manufacturing Company was bankrupted in the process. The 1,060-foot shaft was finally completed in 1910. A second tunnel was dug in ...
The secret city beneath our feet: Inside Detroit's epic salt mines
According to the Detroit Salt Company, 400 million years ago, ocean water flooded into a large basin, an area known as the Michigan Basin. As the water evaporated it left behind large deposits...
Possible salt mine sites for radioactive waste disposal in the
@article{osti_7223601, title = {Possible salt mine sites for radioactive waste disposal in the northeastern states}, author = {Landes, K. K.}, abstractNote = {The motivation for this investigation is the necessity for finding the safest possible repository for solid atomic plant wastes. It is believed that rooms mined in thick beds of salt would afford the best sanctuary.