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30 May 2012
Sand Mining Picks Up to Support Hydrofracturing
One of the spinoff industries associated with hydraulic fracturing of shale rock is silica sand mining. During the “fracking” process, sand is mixed with water and chemicals and pumped under high pressure to force open voids in shale. The sand is needed to prop open cracks and release gas, oil and other valuable hydrocarbons collected from the well. When it comes to “fracking,” evidently, not any old sand will do. …