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Shale Energy is Powering a Midwest Sand Boom

Dec 4, 2013

In hydraulic fracturing, water, sand, and additives are pumped into a well under great pressure to create tiny cracks in shale rock. Sand grains prop open the cracks from whcih oil and natural gas to flow into the well.

According to, the sand that’s best for hydraulic fracturing should be high-purity silica, have a “spherical shape that enables it to be carried in hydraulic fracturing fluid with minimal turbulence,” and be able to “resist crushing forces of closing fractures.”