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The Basics Home
Frac-Sand Mining
Fracking
Geology/Maps
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Definitions
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Definitions
Understanding the terms
Glossary
Frac Sand
Frac sand is comprised of high quartz-content sand. Because of the high quartz content, it is very strong. Good frac sand has grains that are very round in shape, adding to the strength of each individual grain. The round shape also prevents the sand from clumping together, or compacting, making it easy to remove, and ideal for its intended purpose: fracking (hydraulic fracturing.)
Frac sand in the upper Midwest is found in the Wonewoc, St. Peter, and Jordan formations. The St. Peter and Jordan formations are part of a regional aquifer (refer to hydrology pages for more information,) an essential source of water.
 
Fracking (hydraulic fracturing)
Fracking (hydraulic fracturing) is a process by which high volumes of water , sand, and chemicals are injected under high pressure into shale to create fractures. The frac sand keeps the fractures open in order to extract natural gas.
Source: Edmonton Journal, David Wethe January 26, 2011
 
more definitions coming soon…
Related Videos
Look at the Sand: Closeup views of St. Peter sandstone, the white "frac sand" that it's made of, and fine silica dust that comes out of it.
>> view all videos
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