The recent expansion of silica sand mining in Minnesota is raising concerns about possible health risks. MDH is working to develop public health responses and tools to support citizens and communities as they consider these impacts. Crystalline silica is a substance of concern for human health. Dust
In Wisconsin most sand is mined by excavating sandstone formations that are near the surface or by dredging deposits of sand. After the sand is mined it is washed sorted by particle size and stored until it is transported offsite.
Operations East Cave City Quarry—Mining. Located in East Cave City Arkansas our mine reserves are contained on 620 acres of property and have proven reserves of over 80 million tons in seams that run from 50120 feet in thickness.
Silica Sand Mining and Health. The recent expansion of silica sand mining in Minnesota is raising concerns about possible health risks. MDH is working to develop public health responses and tools to support citizens
The technique for silica mining depends on the location of the silica. Sand the most common and readily available source of silica is found in beach and basin deposits large dunes in desert areas underground in glacially deposited pockets and in sandstones.
Producers of oil and gas in the United States need silica sand to help them remove those resources from the ground in a process called “fracking.” But some people who live and work near places where that kind of sand is mined are worried that their health and businesses could be harmed.
Wisconsin Geological Natural History Survey » Mining
Frac sand is currently being mined from sandstone formations in much of western and central Wisconsin. The same formations are less well exposed and generally more finegrained in the eastern and southern parts of the state.